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Posted to dev@zookeeper.apache.org by "Diwaker Gupta (JIRA)" <ji...@apache.org> on 2012/06/01 21:53:24 UTC
[jira] [Created] (ZOOKEEPER-1477) Test failures with Java 7
Diwaker Gupta created ZOOKEEPER-1477:
----------------------------------------
Summary: Test failures with Java 7
Key: ZOOKEEPER-1477
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
Project: ZooKeeper
Issue Type: Bug
Components: server, tests
Affects Versions: 3.4.3
Environment: Mac OS X Lion (10.7.4)
Java version:
java version "1.7.0_04"
Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
Reporter: Diwaker Gupta
Priority: Critical
I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
{code}
2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
... (snipped)
{code}
As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7
Posted by "Patrick Hunt (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288958#comment-13288958 ]
Patrick Hunt commented on ZOOKEEPER-1477:
-----------------------------------------
ZK runs pretty cleanly against java7 on Apache jenkins:
https://builds.apache.org//view/S-Z/view/ZooKeeper/job/ZooKeeper-trunk-jdk7/
What's different about your environment? Perhaps you don't have sufficient resources to run (e.g. overloaded system? over virtualized, etc...)
> Test failures with Java 7
> -------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Scott Lindner (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13291099#comment-13291099 ]
Scott Lindner commented on ZOOKEEPER-1477:
------------------------------------------
I have also hit this and it's not something global across all Macs. I added details on the curator thread (https://github.com/Netflix/curator/issues/47#issuecomment-4706209) and admittedly this makes no sense to me but this seems to fail on all Mac laptops we have tried. However when I attempt this on my iMac it passes. Both environments are running the same MacOS and java version as well.
Diwaker / Chris: what are your experiences?
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Mahadev konar (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465108#comment-13465108 ]
Mahadev konar commented on ZOOKEEPER-1477:
------------------------------------------
Diwaker,
The usual time on a linux box is around 40 mins or so.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465104#comment-13465104 ]
Diwaker Gupta commented on ZOOKEEPER-1477:
------------------------------------------
Will do. How long should the tests be expected to run for? The last time I ran ZK tests (few days ago), they didn't run to completion even after 30 minutes, at which point I killed the run.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Paulo Ricardo Paz Vital (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506541#comment-13506541 ]
Paulo Ricardo Paz Vital commented on ZOOKEEPER-1477:
----------------------------------------------------
Patrick, I could build 3.4.5 using IBM Java 7 SR 3 and it's working with no problems (the environment is a x86_64 running RHEL6.3).
First, I tried to build 3.4.4 with IBM Java 7 SR 3, and got the same problems as reported by Diwaker Gupta in the beginning of this thread. After checked the comments from Eugene Koontz regarding the ZOOKEEPER-1550, and the good results reported by Diwaker after applied the patch on 3.4.3, I decided to check the current version (3.4.5) and trunk.
Both versions (3.4.5 and trunk) are build with no problems with IBM (7 SR 3) and Oracle (7 update 9) JVMs.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diego Oliveira (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13412526#comment-13412526 ]
Diego Oliveira commented on ZOOKEEPER-1477:
-------------------------------------------
I did some testing and it appears to be something time related. Running a test in debug mode (ZooKeeperTest.testDeleteRecursive) sometimes works. Going a little deeper it looks like the channel is going in a broken state and the client can not send the next package.
My tests was in ClientCnxnSocketNIO.doIO and NIOServerCnxn.doIO and it looks like they are going in silence. I'll do some more test tomorrow and report any discovery.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463222#comment-13463222 ]
Diwaker Gupta commented on ZOOKEEPER-1477:
------------------------------------------
Update:
* With JDK 7u7 on Mac and ZK 3.4.3, I don't see the ConnectionLoss exceptions anymore (rather I haven't yet observed them)
* With JDK 7u7 on Mac and ZK 3.4.4, I see even more ConnectionLoss exceptions than before :-/
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Updated] (ZOOKEEPER-1477) Test failures with Java 7 on Mac
OS X
Posted by "Mahadev konar (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mahadev konar updated ZOOKEEPER-1477:
-------------------------------------
Priority: Major (was: Blocker)
Downgrading to Major given the recent updates on this jira.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471377#comment-13471377 ]
Eugene Koontz commented on ZOOKEEPER-1477:
------------------------------------------
Thanks Martin, Good to know that multiple Java versions in OS X works.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Mahadev konar (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465077#comment-13465077 ]
Mahadev konar commented on ZOOKEEPER-1477:
------------------------------------------
Diwaker,
Would you be able to run the tests along with Eugenes patch on ZOOKEEPER-1550 ? If not please let me know. I can go ahead and run it.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464903#comment-13464903 ]
Eugene Koontz commented on ZOOKEEPER-1477:
------------------------------------------
Sorry, meant "lets 'ant clean test' pass with Oracle Java 7 on Linux"
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Updated] (ZOOKEEPER-1477) Test failures with Java 7 on Mac
OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Diwaker Gupta updated ZOOKEEPER-1477:
-------------------------------------
Attachment: with-ZK-1550.txt
Arghh! I accidentally deleted all the logs from the run with the patch :-/ I can rerun if that'll help.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Patrick Hunt (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506227#comment-13506227 ]
Patrick Hunt commented on ZOOKEEPER-1477:
-----------------------------------------
Has anyone tried against 3.4.5? Do we have any insight whether this was also happening with the 3.3 branch?
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Ron Pressler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13404216#comment-13404216 ]
Ron Pressler commented on ZOOKEEPER-1477:
-----------------------------------------
Running the server in Java 6 and the client in Java 7 seems to work fine.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464979#comment-13464979 ]
Eugene Koontz commented on ZOOKEEPER-1477:
------------------------------------------
I noted this in javac's output when using Oracle Java 7 on Linux:
{code}
compile:
[javac] Compiling 164 source files to /home/ec2-user/zookeeper/build/classes
[javac] warning: [options] bootstrap class path not set in conjunction with -source 1.5
[javac] /home/ec2-user/zookeeper/src/java/main/org/apache/zookeeper/jmx/ManagedUtil.java:62: warning: [rawtypes] found raw type: Enumeration
[javac] Enumeration enumer = r.getCurrentLoggers();
[javac] ^
[javac] missing type arguments for generic class Enumeration<E>
[javac] where E is a type-variable:
[javac] E extends Object declared in interface Enumeration
[javac] /home/ec2-user/zookeeper/src/java/main/org/apache/zookeeper/server/util/KerberosUtil.java:39: warning: [rawtypes] found raw type: Class
[javac] getInstanceMethod = classRef.getMethod("getInstance", new Class[0]);
[javac] ^
[javac] missing type arguments for generic class Class<T>
[javac] where T is a type-variable:
[javac] T extends Object declared in class Class
[javac] /home/ec2-user/zookeeper/src/java/main/org/apache/zookeeper/server/util/KerberosUtil.java:42: warning: [rawtypes] found raw type: Class
[javac] new Class[0]);
[javac] ^
[javac] missing type arguments for generic class Class<T>
[javac] where T is a type-variable:
[javac] T extends Object declared in class Class
[javac] 4 warnings
{code}
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Patrick Hunt (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288981#comment-13288981 ]
Patrick Hunt commented on ZOOKEEPER-1477:
-----------------------------------------
Ah. Likely java7 on mac then. I don't know if anyone's tried that (I run linux on my laptop for most jdk7 local tests). You'd have to look at the logs and such to nail down more about that's going wrong.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Ron Pressler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13404171#comment-13404171 ]
Ron Pressler commented on ZOOKEEPER-1477:
-----------------------------------------
I'm seeing the same problem with OS X and JDK 7.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Raul Gutierrez Segales (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13499895#comment-13499895 ]
Raul Gutierrez Segales commented on ZOOKEEPER-1477:
---------------------------------------------------
(On 3.4.4)
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Updated] (ZOOKEEPER-1477) Test failures with Java 7 on Mac
OS X
Posted by "Mahadev konar (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mahadev konar updated ZOOKEEPER-1477:
-------------------------------------
Priority: Blocker (was: Critical)
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Ron Pressler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13404194#comment-13404194 ]
Ron Pressler commented on ZOOKEEPER-1477:
-----------------------------------------
Forgot to add - also a Macbook Pro.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Raul Gutierrez Segales (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13499893#comment-13499893 ]
Raul Gutierrez Segales commented on ZOOKEEPER-1477:
---------------------------------------------------
FWIW I have the same issue with zkCli on Fedora 18 / JDK 1.7.0_09-icedtea.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465090#comment-13465090 ]
Diwaker Gupta commented on ZOOKEEPER-1477:
------------------------------------------
[~mahadev] Happy to test though I'm pretty sure this is unrelated to ZOOKEEPER-1550 -- recall that I'm using Oracle JDK (not OpenJDK) and I'm on Mac. I haven't been able to ever successfully run ZK tests on a Mac with JDK7 (starting with 7u3, now on 7u7). Things were broken with ZK 3.4.3 and have just become worse with 3.4.4. Will report back shortly with the patch in 1550.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465105#comment-13465105 ]
Eugene Koontz commented on ZOOKEEPER-1477:
------------------------------------------
Thanks Diwaker, I predict you will get fewer errors, at least, if not zero :)
May I ask, are you able to install JDK7 on Mac OS X and still be able to select JDK and JVM 6? I'd like to try to install JDK 7 but only if I can still select JDK/JVM 6 for testing.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
--
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diego Oliveira (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413691#comment-13413691 ]
Diego Oliveira commented on ZOOKEEPER-1477:
-------------------------------------------
It is a bug in the JDK7 macosx system call as described here http://www.oracle.com/technetwork/java/javase/7u4-relnotes-1575007.html as the bug says there is a workaround, add this to your test -Djava.nio.channels.spi.SelectorProvider=sun.nio.ch.KQueueSelectorProvider.
*All my tests passed for org.apache.zookeeper.ZooKeeperTest*. Others are broken, I found that the log output is used as part of tests results and I change the root log level to find the communication problem, so some tests failed. I'm fixing the test to be a little less dependent of the system log level configuration, enforcing his own.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Mahadev konar (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465097#comment-13465097 ]
Mahadev konar commented on ZOOKEEPER-1477:
------------------------------------------
Thanks Diwaker. Could you please upload a summary of the tests failing and the logs as well?
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Mårten Gustafson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471342#comment-13471342 ]
Mårten Gustafson commented on ZOOKEEPER-1477:
---------------------------------------------
FWIW:
I ended up here trying to debug problems with running a local Storm cluster (which uses an embedded ZooKeeper) and followed the Curator errors and related bug reports to this issue.
I just did somewhat of a bare minimum test case using the [storm-starter|https://github.com/nathanmarz/storm-starter/] project on _OS X 10.8.2_ using _Java 1.7.0_05_ and then switching to _Java 1.6.0_35_ (so yes, [~ekoontz] you can switch back and forth using the "Java Prefernces" app in OS X).
With _Java 1.6.0_35_ the storm-starter runs flawlessly whereas on _1.7.0_05_ it's stuck trying to connect to ZooKeeper. ZooKeeper version is _3.4.4_.
I started trying to hack a build of Curator together with _ZK 3.5_ from source but have to cave and wrap this day up. If I manage to get a test run with _3.5_ I'll update here.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Chris Carter (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289531#comment-13289531 ]
Chris Carter commented on ZOOKEEPER-1477:
-----------------------------------------
I've experienced this as well, as have a few other folks who use Curator. Will attempt to drag more out of the logs, if possible.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Martijn Koster (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13510547#comment-13510547 ]
Martijn Koster commented on ZOOKEEPER-1477:
-------------------------------------------
Some more data points:
I saw this problem with 3.4.4 on 2nd Oct 2012, on OSX 10.6. I worked around it then by using a nightly build.
I'm now on OSX 10.8.2, tried 3.4.5, and saw it again. I then upgraded to java jdk 1.7.0_09-b05 (from _04 I believe), and it went away again.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diego Oliveira (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13413501#comment-13413501 ]
Diego Oliveira commented on ZOOKEEPER-1477:
-------------------------------------------
I did some logging to look up what is happening. The idea was to log all bytes send from client to server and the other way back. Running in the working environment(jdk6) the math was just fine, all bytes send was read BUT with jdk7 in the middle of the communication the server stop to read the data.
Here is the log from the good communication:
{code}
2012-07-13 01:41:32,542 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[4] values [java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:41:32,544 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@839] - Processing stat command from /127.0.0.1:57304
2012-07-13 01:41:32,546 [myid:] - INFO [Thread-4:NIOServerCnxn$StatCommand@673] - Stat command output
2012-07-13 01:41:32,546 [myid:] - TRACE [Thread-4:NIOServerCnxn@189] - Writting to client, size[239] values [[90, 111, 111, 107, 101, 101, 112, 101, 114, 32, 118, 101, 114, 115, 105, 111, 110, 58, 32, 51, 46, 53, 46, 48, 45, 49, 51, 54, 49, 48, 51, 51, 44, 32, 98, 117, 105, 108, 116, 32, 111, 110, 32, 48, 55, 47, 49, 51, 47, 50, 48, 49, 50, 32, 48, 51, 58, 52, 50, 32, 71, 77, 84, 10, 67, 108, 105, 101, 110, 116, 115, 58, 10, 32, 47, 49, 50, 55, 46, 48, 46, 48, 46, 49, 58, 53, 55, 51, 48, 52, 91, 48, 93, 40, 113, 117, 101, 117, 101, 100, 61, 48, 44, 114, 101, 99, 118, 101, 100, 61, 49, 44, 115, 101, 110, 116, 61, 48, 41, 10, 10, 76, 97, 116, 101, 110, 99, 121, 32, 109, 105, 110, 47, 97, 118, 103, 47, 109, 97, 120, 58, 32, 48, 47, 48, 47, 48, 10, 82, 101, 99, 101, 105, 118, 101, 100, 58, 32, 49, 10, 83, 101, 110, 116, 58, 32, 48, 10, 67, 111, 110, 110, 101, 99, 116, 105, 111, 110, 115, 58, 32, 49, 10, 79, 117, 116, 115, 116, 97, 110, 100, 105, 110, 103, 58, 32, 48, 10, 90, 120, 105, 100, 58, 32, 48, 120, 48, 10, 77, 111, 100, 101, 58, 32, 115, 116, 97, 110, 100, 97, 108, 111, 110, 101, 10, 78, 111, 100, 101, 32, 99, 111, 117, 110, 116, 58, 32, 52, 10]]
2012-07-13 01:41:32,548 [myid:] - INFO [Thread-4:NIOServerCnxn@1019] - Closed socket connection for client /127.0.0.1:57304 (no session established for client)
2012-07-13 01:41:32,549 [myid:] - DEBUG [Thread-4:NIOServerCnxn@1043] - ignoring exception during input shutdown
2012-07-13 01:41:32,674 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[49] values [[0, 0, 0, 45, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 117, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]
2012-07-13 01:41:32,775 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[4] values [java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:41:32,776 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[45] values [java.nio.HeapByteBuffer[pos=45 lim=45 cap=45]]
2012-07-13 01:41:32,788 [myid:] - TRACE [SyncThread:0:NIOServerCnxn@189] - Writting to client, size[41] values [[0, 0, 0, 37, 0, 0, 0, 0, 0, 0, 117, 48, 1, 56, 126, -92, 74, 5, 0, 0, 0, 0, 0, 16, -47, -36, -106, 57, -118, -4, -32, -86, -105, 78, -24, 7, -29, 104, 91, 15, 0]]
2012-07-13 01:41:32,977 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[4] values [java.nio.DirectByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:41:33,078 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[37] values [java.nio.HeapByteBuffer[pos=37 lim=37 cap=37]]
2012-07-13 01:41:33,184 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[29] values [[0, 0, 0, 25, 0, 0, 0, 1, 0, 0, 0, 5, 0, 0, 0, 1, 47, 0, 0, 0, 4, 115, 111, 109, 101, -1, -1, -1, -1]]
*** This is OK in the jdk6, in the jdk7 the communication hangs up.
2012-07-13 01:41:33,285 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[4] values [java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:41:33,286 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[25] values [java.nio.HeapByteBuffer[pos=25 lim=25 cap=25]]
2012-07-13 01:41:33,289 [myid:] - TRACE [SyncThread:0:NIOServerCnxn@189] - Writting to client, size[88] values [[0, 0, 0, 84, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 56, 126, -92, 77, 102, 0, 0, 0, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]]
2012-07-13 01:41:33,391 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[4] values [java.nio.DirectByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:41:33,492 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[84] values [java.nio.HeapByteBuffer[pos=84 lim=84 cap=84]]
2012-07-13 01:41:33,595 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[57] values [[0, 0, 0, 53, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 2, 47, 97, 0, 0, 0, 4, 115, 111, 109, 101, 0, 0, 0, 1, 0, 0, 0, 31, 0, 0, 0, 5, 119, 111, 114, 108, 100, 0, 0, 0, 6, 97, 110, 121, 111, 110, 101, 0, 0, 0, 0]]
{code}
Jdk7 log.
{code}
2012-07-13 01:49:37,588 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[4] values [java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:49:37,591 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@839] - Processing stat command from /127.0.0.1:57445
2012-07-13 01:49:37,594 [myid:] - INFO [Thread-2:NIOServerCnxn$StatCommand@673] - Stat command output
2012-07-13 01:49:37,595 [myid:] - TRACE [Thread-2:NIOServerCnxn@189] - Writting to client, size[239] values [[90, 111, 111, 107, 101, 101, 112, 101, 114, 32, 118, 101, 114, 115, 105, 111, 110, 58, 32, 51, 46, 53, 46, 48, 45, 49, 51, 54, 49, 48, 51, 51, 44, 32, 98, 117, 105, 108, 116, 32, 111, 110, 32, 48, 55, 47, 49, 51, 47, 50, 48, 49, 50, 32, 48, 51, 58, 52, 50, 32, 71, 77, 84, 10, 67, 108, 105, 101, 110, 116, 115, 58, 10, 32, 47, 49, 50, 55, 46, 48, 46, 48, 46, 49, 58, 53, 55, 52, 52, 53, 91, 48, 93, 40, 113, 117, 101, 117, 101, 100, 61, 48, 44, 114, 101, 99, 118, 101, 100, 61, 49, 44, 115, 101, 110, 116, 61, 48, 41, 10, 10, 76, 97, 116, 101, 110, 99, 121, 32, 109, 105, 110, 47, 97, 118, 103, 47, 109, 97, 120, 58, 32, 48, 47, 48, 47, 48, 10, 82, 101, 99, 101, 105, 118, 101, 100, 58, 32, 49, 10, 83, 101, 110, 116, 58, 32, 48, 10, 67, 111, 110, 110, 101, 99, 116, 105, 111, 110, 115, 58, 32, 49, 10, 79, 117, 116, 115, 116, 97, 110, 100, 105, 110, 103, 58, 32, 48, 10, 90, 120, 105, 100, 58, 32, 48, 120, 48, 10, 77, 111, 100, 101, 58, 32, 115, 116, 97, 110, 100, 97, 108, 111, 110, 101, 10, 78, 111, 100, 101, 32, 99, 111, 117, 110, 116, 58, 32, 52, 10]]
2012-07-13 01:49:37,596 [myid:] - INFO [Thread-2:NIOServerCnxn@1019] - Closed socket connection for client /127.0.0.1:57445 (no session established for client)
2012-07-13 01:49:37,723 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[49] values [[0, 0, 0, 45, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 117, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]
2012-07-13 01:49:37,824 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[4] values [java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:49:37,825 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[45] values [java.nio.HeapByteBuffer[pos=45 lim=45 cap=45]]
2012-07-13 01:49:37,835 [myid:] - TRACE [SyncThread:0:NIOServerCnxn@189] - Writting to client, size[41] values [[0, 0, 0, 37, 0, 0, 0, 0, 0, 0, 117, 48, 1, 56, 126, -85, -80, -68, 0, 0, 0, 0, 0, 16, -122, 112, 53, -37, -101, 126, -10, 20, -44, -11, -105, 43, -36, 107, -94, 35, 0]]
2012-07-13 01:49:38,025 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[4] values [java.nio.DirectByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:49:38,126 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[37] values [java.nio.HeapByteBuffer[pos=37 lim=37 cap=37]]
2012-07-13 01:49:38,233 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[29] values [[0, 0, 0, 25, 0, 0, 0, 1, 0, 0, 0, 5, 0, 0, 0, 1, 47, 0, 0, 0, 4, 115, 111, 109, 101, -1, -1, -1, -1]]
** Where is the read from the server side?
2012-07-13 01:49:48,336 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[12] values [[0, 0, 0, 8, -1, -1, -1, -2, 0, 0, 0, 11]]
2012-07-13 01:49:59,667 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[49] values [[0, 0, 0, 45, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 117, 48, 1, 56, 126, -85, -80, -68, 0, 0, 0, 0, 0, 16, -122, 112, 53, -37, -101, 126, -10, 20, -44, -11, -105, 43, -36, 107, -94, 35, 0]]
2012-07-13 01:49:59,769 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@111] - Write to server, size[12] values [[0, 0, 0, 8, 0, 0, 0, 2, -1, -1, -1, -11]]
2012-07-13 01:49:59,769 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[4] values [java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:49:59,770 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[45] values [java.nio.HeapByteBuffer[pos=45 lim=45 cap=45]]
2012-07-13 01:49:59,770 [myid:] - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@1019] - Closed socket connection for client /127.0.0.1:57448 which had sessionid 0x1387eabb0bc0000
2012-07-13 01:49:59,771 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@189] - Writting to client, size[41] values [[0, 0, 0, 37, 0, 0, 0, 0, 0, 0, 117, 48, 1, 56, 126, -85, -80, -68, 0, 0, 0, 0, 0, 16, -122, 112, 53, -37, -101, 126, -10, 20, -44, -11, -105, 43, -36, 107, -94, 35, 0]]
2012-07-13 01:49:59,872 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[4] values [java.nio.HeapByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:49:59,873 [myid:] - TRACE [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:11221:NIOServerCnxn@378] - Readed from cleint, size[8] values [java.nio.HeapByteBuffer[pos=8 lim=8 cap=8]]
2012-07-13 01:49:59,874 [myid:] - TRACE [SyncThread:0:NIOServerCnxn@189] - Writting to client, size[20] values [[0, 0, 0, 16, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0]]
2012-07-13 01:49:59,874 [myid:] - TRACE [SyncThread:0:NIOServerCnxn@173] - Add a buffer to outgoingBuffers, sk sun.nio.ch.SelectionKeyImpl@64aedc96 is valid: true
2012-07-13 01:49:59,971 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[4] values [java.nio.DirectByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:50:00,072 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[37] values [java.nio.HeapByteBuffer[pos=37 lim=37 cap=37]]
2012-07-13 01:50:00,174 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[4] values [java.nio.DirectByteBuffer[pos=4 lim=4 cap=4]]
2012-07-13 01:50:00,275 [myid:] - TRACE [main-SendThread(localhost:11221):ClientCnxnSocketNIO@133] - Readed from server, size[16] values [java.nio.HeapByteBuffer[pos=16 lim=16 cap=16]]
2012-07-13 01:50:00,276 [myid:] - INFO [main:NIOServerCnxn@1019] - Closed socket connection for client /127.0.0.1:57449 which had sessionid 0x1387eabb0bc0000
{code}
In my search I sow some changes in minor issues in the jdk7 regarding socket channels, but I don't know if it is the root cause. Tomorrow I will go a little deeper.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465184#comment-13465184 ]
Diwaker Gupta commented on ZOOKEEPER-1477:
------------------------------------------
[~ekoontz] Good prediction -- your patch *significantly* improved things for me!
[~mahadev] Even with Eugene's patch, some tests failed for me. I'm attaching summary as well as the logs. I also ran tests without his patch but they're still not done (45 min and counting) and many many of them have already failed (many of which passed with Eugene's patch). In summary, +2 for the patch! But we should still investigate the remaining failures.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Dan Ertman (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498378#comment-13498378 ]
Dan Ertman commented on ZOOKEEPER-1477:
---------------------------------------
Second Helen's comments above - zkCli from Zookeeper 3.4.4 fails on Mac JDK 1.7.0_09 when you try to ls /. I tried -Djava.nio.channels.spi.SelectorProvider=sun.nio.ch.KQueueSelectorProvider on both client and server, no effect.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Updated] (ZOOKEEPER-1477) Test failures with Java 7 on Mac
OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Diwaker Gupta updated ZOOKEEPER-1477:
-------------------------------------
Summary: Test failures with Java 7 on Mac OS X (was: Test failures with Java 7)
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13291911#comment-13291911 ]
Diwaker Gupta commented on ZOOKEEPER-1477:
------------------------------------------
Scott: I've only tested this on my Mac and it happens fairly reliably. We have a few other Mac users who can also hit this.
On a related note, one of my colleagues also ran into some failures on Linux, but it's not clear if the root cause was the same.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Eugene Koontz (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464981#comment-13464981 ]
Eugene Koontz commented on ZOOKEEPER-1477:
------------------------------------------
(the above warnings do not appear with Oracle Java 6's javac).
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Patrick Hunt (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13296046#comment-13296046 ]
Patrick Hunt commented on ZOOKEEPER-1477:
-----------------------------------------
If you can attached logs from the failed test(s) that might give some insight. Compress it first though.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Updated] (ZOOKEEPER-1477) Test failures with Java 7 on Mac
OS X
Posted by "Mahadev konar (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mahadev konar updated ZOOKEEPER-1477:
-------------------------------------
Fix Version/s: 3.4.5
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13295923#comment-13295923 ]
Diwaker Gupta commented on ZOOKEEPER-1477:
------------------------------------------
FWIW I upgraded to JDK 7u5 (from Oracle) and still have the exact same problem. Here are some of the tests that failed (within ZooKeeperTest):
{noformat}
2012-06-15 13:59:58,654 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursive
2012-06-15 13:59:59,852 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testDeleteRecursive
2012-06-15 14:00:19,984 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
2012-06-15 14:00:21,097 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testDeleteRecursiveAsync
2012-06-15 14:00:41,225 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testStatWhenPathDoesNotExist
2012-06-15 14:00:42,362 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testStatWhenPathDoesNotExist
2012-06-15 14:01:42,787 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testCreateNodeWithoutData
2012-06-15 14:01:44,452 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testCreateNodeWithoutData
2012-06-15 14:02:04,577 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testACLWithExtraAgruments
2012-06-15 14:02:05,749 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testACLWithExtraAgruments
2012-06-15 14:02:25,874 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testCreatePersistentNode
2012-06-15 14:02:27,324 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testCreatePersistentNode
2012-06-15 14:02:47,449 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDelete
2012-06-15 14:02:48,585 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testDelete
2012-06-15 14:03:08,705 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testStatCommand
2012-06-15 14:03:10,173 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testStatCommand
2012-06-15 14:03:30,295 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testInvalidStatCommand
2012-06-15 14:03:31,688 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testInvalidStatCommand
2012-06-15 14:03:51,809 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testSetData
2012-06-15 14:03:53,674 [myid:] - INFO [main:ZKTestCase$1@66] - FAILED testSetData
2012-06-15 14:04:13,836 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteWithInvalidVersionNo
{noformat}
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Helen Williamson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13490579#comment-13490579 ]
Helen Williamson commented on ZOOKEEPER-1477:
---------------------------------------------
I'm also experiencing a similar problem using the zkCli shell script. I've started up 5 zookeeper servers using QuorumPeerMain from the zookeeper jar.
With Java 1.6.0_37 I get the following output:
{code}
MC00635:bin helen.williamson$ ./zkCli.sh
Connecting to localhost:2181
2012-11-05 10:50:35,648 [myid:] - INFO [main:Environment@100] - Client environment:zookeeper.version=3.4.4-1386507, built on 09/17/2012 08:33 GMT
2012-11-05 10:50:35,651 [myid:] - INFO [main:Environment@100] - Client environment:host.name=dhcp-192-168-101-135.tea.mindcandy.com
2012-11-05 10:50:35,651 [myid:] - INFO [main:Environment@100] - Client environment:java.version=1.6.0_37
2012-11-05 10:50:35,651 [myid:] - INFO [main:Environment@100] - Client environment:java.vendor=Apple Inc.
2012-11-05 10:50:35,652 [myid:] - INFO [main:Environment@100] - Client environment:java.home=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
2012-11-05 10:50:35,652 [myid:] - INFO [main:Environment@100] - Client environment:java.class.path=/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../build/classes:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../build/lib/*.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/slf4j-log4j12-1.6.1.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/slf4j-api-1.6.1.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/netty-3.2.2.Final.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/log4j-1.2.15.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/jline-0.9.94.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../zookeeper-3.4.4.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../src/java/lib/*.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../conf:
2012-11-05 10:50:35,652 [myid:] - INFO [main:Environment@100] - Client environment:java.library.path=.:/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java
2012-11-05 10:50:35,653 [myid:] - INFO [main:Environment@100] - Client environment:java.io.tmpdir=/var/folders/4l/yzr37v6s3zz8hfsggnjmzbg00000gp/T/
2012-11-05 10:50:35,653 [myid:] - INFO [main:Environment@100] - Client environment:java.compiler=<NA>
2012-11-05 10:50:35,653 [myid:] - INFO [main:Environment@100] - Client environment:os.name=Mac OS X
2012-11-05 10:50:35,654 [myid:] - INFO [main:Environment@100] - Client environment:os.arch=x86_64
2012-11-05 10:50:35,654 [myid:] - INFO [main:Environment@100] - Client environment:os.version=10.7.5
2012-11-05 10:50:35,654 [myid:] - INFO [main:Environment@100] - Client environment:user.name=helen.williamson
2012-11-05 10:50:35,655 [myid:] - INFO [main:Environment@100] - Client environment:user.home=/Users/helen.williamson
2012-11-05 10:50:35,655 [myid:] - INFO [main:Environment@100] - Client environment:user.dir=/Users/helen.williamson/workspace/bartender/target/zookeeper-3.4.4/bin
2012-11-05 10:50:35,656 [myid:] - INFO [main:ZooKeeper@433] - Initiating client connection, connectString=localhost:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@6b4da8f4
Welcome to ZooKeeper!
2012-11-05 10:50:35,687 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@966] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (Unable to locate a login configuration)
JLine support is enabled
2012-11-05 10:50:35,694 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@849] - Socket connection established to localhost/127.0.0.1:2181, initiating session
2012-11-05 10:50:35,715 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1207] - Session establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x13ad009f0770002, negotiated timeout = 30000
WATCHER::
WatchedEvent state:SyncConnected type:None path:null
[zk: localhost:2181(CONNECTED) 0] ls /
[zookeeper]
{code}
With Java 1.7.0_09 I get:
{code}
MC00635:bin helen.williamson$ ./zkCli.sh
Connecting to localhost:2181
2012-11-05 10:45:44,634 [myid:] - INFO [main:Environment@100] - Client environment:zookeeper.version=3.4.4-1386507, built on 09/17/2012 08:33 GMT
2012-11-05 10:45:44,674 [myid:] - INFO [main:Environment@100] - Client environment:host.name=<NA>
2012-11-05 10:45:44,674 [myid:] - INFO [main:Environment@100] - Client environment:java.version=1.7.0_09
2012-11-05 10:45:44,675 [myid:] - INFO [main:Environment@100] - Client environment:java.vendor=Oracle Corporation
2012-11-05 10:45:44,676 [myid:] - INFO [main:Environment@100] - Client environment:java.home=/Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/Home/jre
2012-11-05 10:45:44,677 [myid:] - INFO [main:Environment@100] - Client environment:java.class.path=/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../build/classes:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../build/lib/*.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/slf4j-log4j12-1.6.1.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/slf4j-api-1.6.1.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/netty-3.2.2.Final.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/log4j-1.2.15.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../lib/jline-0.9.94.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../zookeeper-3.4.4.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../src/java/lib/*.jar:/Users/helen.williamson/workspace/bartender/target/zookeeper/bin/../conf:
2012-11-05 10:45:44,678 [myid:] - INFO [main:Environment@100] - Client environment:java.library.path=/Users/helen.williamson/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:.
2012-11-05 10:45:44,678 [myid:] - INFO [main:Environment@100] - Client environment:java.io.tmpdir=/var/folders/4l/yzr37v6s3zz8hfsggnjmzbg00000gp/T/
2012-11-05 10:45:44,679 [myid:] - INFO [main:Environment@100] - Client environment:java.compiler=<NA>
2012-11-05 10:45:44,679 [myid:] - INFO [main:Environment@100] - Client environment:os.name=Mac OS X
2012-11-05 10:45:44,680 [myid:] - INFO [main:Environment@100] - Client environment:os.arch=x86_64
2012-11-05 10:45:44,680 [myid:] - INFO [main:Environment@100] - Client environment:os.version=10.7.5
2012-11-05 10:45:44,681 [myid:] - INFO [main:Environment@100] - Client environment:user.name=helen.williamson
2012-11-05 10:45:44,682 [myid:] - INFO [main:Environment@100] - Client environment:user.home=/Users/helen.williamson
2012-11-05 10:45:44,682 [myid:] - INFO [main:Environment@100] - Client environment:user.dir=/Users/helen.williamson/workspace/bartender/target/zookeeper-3.4.4/bin
2012-11-05 10:45:44,684 [myid:] - INFO [main:ZooKeeper@433] - Initiating client connection, connectString=localhost:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@6ad5d980
Welcome to ZooKeeper!
2012-11-05 10:45:44,863 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@966] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
JLine support is enabled
2012-11-05 10:45:44,973 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@849] - Socket connection established to localhost/127.0.0.1:2181, initiating session
2012-11-05 10:45:45,011 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1207] - Session establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x13ad009f0770001, negotiated timeout = 30000
WATCHER::
WatchedEvent state:SyncConnected type:None path:null
[zk: localhost:2181(CONNECTED) 0]
[zk: localhost:2181(CONNECTED) 0] ls /
2012-11-05 10:46:05,004 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1083] - Client session timed out, have not heard from server in 20001ms for sessionid 0x13ad009f0770001, closing socket connection and attempting reconnect
WATCHER::
WatchedEvent state:Disconnected type:None path:null
Exception in thread "main" org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1463)
at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1491)
at org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:725)
at org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:593)
at org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:365)
at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:323)
at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:282)
{code}
This can be reproduced by switching JAVA_HOME between 1.6 and 1.7.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Mårten Gustafson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471518#comment-13471518 ]
Mårten Gustafson commented on ZOOKEEPER-1477:
---------------------------------------------
Again FWIW in this context: problem vanished when upgrading to _JDK 1.7.0_07_, ie the storm-starter scenario, and it's embedded ZooKeeper, runs fine.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Chris Carter (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13293875#comment-13293875 ]
Chris Carter commented on ZOOKEEPER-1477:
-----------------------------------------
I don't have access to any Macs other than my Macbook Pro, so can't comment on cross-hardware. However, for awhile I was able to get an OpenJDK build to work properly under the conditions I was testing:
openjdk version "1.7.0-b222"
OpenJDK Runtime Environment (build 1.7.0-b222-20111220)
OpenJDK 64-Bit Server VM (build 21.0-b17, mixed mode)
All other Oracle and OpenJDK environments I've tried have failed.
I'm running Lion 10.7.3 (had issues under 10.7.2 as well).
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7
Posted by "Diwaker Gupta (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13288980#comment-13288980 ]
Diwaker Gupta commented on ZOOKEEPER-1477:
------------------------------------------
Patrick: I believe the jenkins job runs on Linux. I'm running Java7 on Mac natively. Resources are not an issue: my machine as 8G of memory, runs on SSDs and there's no virtualization in the picture.
> Test failures with Java 7
> -------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Critical
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Mahadev konar (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465243#comment-13465243 ]
Mahadev konar commented on ZOOKEEPER-1477:
------------------------------------------
Thats fine Diwaker. Ill downgrade this jira to a major and mark it for the next release. We can just ship 3.4.5 with fix for ZOOKEEPER-1550.
Itll be good to upload the tests logs for those that fail but its not urgent. We can do it later for 3.4.6.
Thanks.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Priority: Blocker
> Fix For: 3.4.5
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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[jira] [Commented] (ZOOKEEPER-1477) Test failures with Java 7 on
Mac OS X
Posted by "Roman Shaposhnik (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13506057#comment-13506057 ]
Roman Shaposhnik commented on ZOOKEEPER-1477:
---------------------------------------------
Fedora 18 is not officially released yet, but over at Bigtop (http://bigtop.apache.org) we run regular tests with the OS supplied JDK and things have been really great on the following set of platforms: http://bigtop01.cloudera.org:8080/view/Bigtop-trunk/job/Bigtop-trunk-packagetest/
FWIW: I believe that Fedora 17 comes with exactly the same version of JDK 1.7.0_09-icedtea.
> Test failures with Java 7 on Mac OS X
> -------------------------------------
>
> Key: ZOOKEEPER-1477
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1477
> Project: ZooKeeper
> Issue Type: Bug
> Components: server, tests
> Affects Versions: 3.4.3
> Environment: Mac OS X Lion (10.7.4)
> Java version:
> java version "1.7.0_04"
> Java(TM) SE Runtime Environment (build 1.7.0_04-b21)
> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b21, mixed mode)
> Reporter: Diwaker Gupta
> Fix For: 3.4.6
>
> Attachments: with-ZK-1550.txt
>
>
> I downloaded ZK 3.4.3 sources and ran {{ant test}}. Many of the tests failed, including ZooKeeperTest. A common symptom was spurious {{ConnectionLossException}}:
> {code}
> 2012-06-01 12:01:23,420 [myid:] - INFO [main:JUnit4ZKTestRunner$LoggedInvokeMethod@54] - TEST METHOD FAILED testDeleteRecursiveAsync
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:51)
> at org.apache.zookeeper.ZooKeeper.setData(ZooKeeper.java:1246)
> at org.apache.zookeeper.ZooKeeperTest.testDeleteRecursiveAsync(ZooKeeperTest.java:77)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ... (snipped)
> {code}
> As background, I was actually investigating some non-deterministic failures when using Netflix's Curator with Java 7 (see https://github.com/Netflix/curator/issues/79). After a while, I figured I should establish a clean ZK baseline first and realized it is actually a ZK issue, not a Curator issue.
> We are trying to migrate to Java 7 but this is a blocking issue for us right now.
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