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Posted to issues@hbase.apache.org by "Hadoop QA (Commented) (JIRA)" <ji...@apache.org> on 2012/02/18 04:10:03 UTC
[jira] [Commented] (HBASE-5003) If the master is started with a
wrong root dir, it gets stuck and can't be killed
[ https://issues.apache.org/jira/browse/HBASE-5003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13210786#comment-13210786 ]
Hadoop QA commented on HBASE-5003:
----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12515059/hbase-5003-v2.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified tests.
Please justify why no new tests are needed for this patch.
Also please list what manual steps were performed to verify this patch.
-1 javadoc. The javadoc tool appears to have generated -136 warning messages.
+1 javac. The applied patch does not increase the total number of javac compiler warnings.
-1 findbugs. The patch appears to introduce 158 new Findbugs (version 1.3.9) warnings.
+1 release audit. The applied patch does not increase the total number of release audit warnings.
-1 core tests. The patch failed these unit tests:
org.apache.hadoop.hbase.mapreduce.TestImportTsv
org.apache.hadoop.hbase.mapred.TestTableMapReduce
org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat
Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/986//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/986//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/986//console
This message is automatically generated.
> If the master is started with a wrong root dir, it gets stuck and can't be killed
> ---------------------------------------------------------------------------------
>
> Key: HBASE-5003
> URL: https://issues.apache.org/jira/browse/HBASE-5003
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Priority: Critical
> Labels: noob
> Fix For: 0.94.0, 0.90.7, 0.92.1
>
> Attachments: hbase-5003-v2.patch, hbase-5003.patch
>
>
> Reported by a new user on IRC who tried to set hbase.rootdir to file:///~/hbase, the master gets stuck and cannot be killed. I tried something similar on my machine and it spins while logging:
> {quote}
> 2011-12-09 16:11:17,002 WARN org.apache.hadoop.hbase.util.FSUtils: Unable to create version file at file:/bin/hbase, retrying: Mkdirs failed to create file:/bin/hbase
> 2011-12-09 16:11:27,002 WARN org.apache.hadoop.hbase.util.FSUtils: Unable to create version file at file:/bin/hbase, retrying: Mkdirs failed to create file:/bin/hbase
> 2011-12-09 16:11:37,003 WARN org.apache.hadoop.hbase.util.FSUtils: Unable to create version file at file:/bin/hbase, retrying: Mkdirs failed to create file:/bin/hbase
> {quote}
> The reason it cannot be stopped is that the master's main thread is stuck in there and will never be notified:
> {quote}
> "Master:0;su-jdcryans-01.local,51116,1323475535684" prio=5 tid=7f92b7a3c000 nid=0x1137ba000 waiting on condition [1137b9000]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.apache.hadoop.hbase.util.FSUtils.setVersion(FSUtils.java:297)
> at org.apache.hadoop.hbase.util.FSUtils.setVersion(FSUtils.java:268)
> at org.apache.hadoop.hbase.master.MasterFileSystem.checkRootDir(MasterFileSystem.java:339)
> at org.apache.hadoop.hbase.master.MasterFileSystem.createInitialFileSystemLayout(MasterFileSystem.java:128)
> at org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:113)
> at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:435)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:314)
> at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:218)
> at java.lang.Thread.run(Thread.java:680)
> {quote}
> It seems we should do a better handling of the exceptions we get in there, and die if we need to. It would make a better user experience.
> Maybe also do a check on hbase.rootdir before even starting the master.
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