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Posted to commits@harmony.apache.org by "Alexei Fedotov (JIRA)" <ji...@apache.org> on 2006/11/28 00:39:21 UTC
[jira] Created: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently as a part of a
whole module test run
[classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently as a part of a whole module test run
---------------------------------------------------------------------------------------------------------------
Key: HARMONY-2338
URL: http://issues.apache.org/jira/browse/HARMONY-2338
Project: Harmony
Issue Type: Bug
Environment: SuSE 9 ia32 multi-processor
Reporter: Alexei Fedotov
The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Vasily Zakharov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12455836 ]
Vasily Zakharov commented on HARMONY-2338:
------------------------------------------
I've investigated this issue a bit.
Most test cases use tests.support.Support_PortManager.getNextPort() method to generate the "random" port numbers from 6000 to 65535. However, some ports are occupied by other applications, and when getNextPort() provides some test case with an occupied port number, that test case fails.
Possible ways to resolve the problem are:
1. "Check" each port number for availability at the start of each test case.
1.1. For example, by creating ServerSocket with some "well known" parameters and making sure no exception occurs.
1.2. Another way may be creating a Socket to that port and making sure the connection fails.
2. Change the port numbers range to exclude the occupied ports. Not a good solution, of course.
3. Use fixed port numbers instead of "random" ones. This is more reliable, but also not very good, and also limits the "coverage".
4. Do not treat a BindException as a test fail, and try another port instead, may be 3 times or so.
I'm not a java.net developer, so I'm not sure which way is good and which is not, so suggestions would be appreciated.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Updated: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Alexei Fedotov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=all ]
Alexei Fedotov updated HARMONY-2338:
------------------------------------
Summary: [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently (was: [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently as a part of a whole module test run)
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Alexei Fedotov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12456186 ]
Alexei Fedotov commented on HARMONY-2338:
-----------------------------------------
Here is a related thread on dev@harmony http://mail-archives.apache.org/mod_mbox/harmony-dev/200612.mbox/%3c4d0b24970612060159n4e1efc9cxf3e85868878e31a3@mail.gmail.com%3e
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Closed: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Alexei Zakharov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-2338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexei Zakharov closed HARMONY-2338.
------------------------------------
verified
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: https://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Updated: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Alexei Zakharov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=all ]
Alexei Zakharov updated HARMONY-2338:
-------------------------------------
Patch Info: [Patch Available]
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently as a part of a
whole module test run
Posted by "Alexei Fedotov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12453752 ]
Alexei Fedotov commented on HARMONY-2338:
-----------------------------------------
...................F......
Time: 5.124
There was 1 failure:
1) test_setReuseAddressZ(tests.api.java.net.ServerSocketTest)junit.framework.AssertionFailedError: Exception during test : The address is not available
at tests.api.java.net.SocketTestCase.handleException(SocketTestCase.java:116)
at tests.api.java.net.ServerSocketTest.test_setReuseAddressZ(ServerSocketTest.java:819)
at java.lang.reflect.VMReflection.invokeMethod(Native Method)
FAILURES!!!
Tests run: 25, Failures: 1, Errors: 0
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently as a part of a whole module test run
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Mikhail Markov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-2338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12465466 ]
Mikhail Markov commented on HARMONY-2338:
-----------------------------------------
Thanks, Alexei! Everything is fine.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: https://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Mikhail Markov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12460922 ]
Mikhail Markov commented on HARMONY-2338:
-----------------------------------------
Alexei, we've agreed with Andrew Zhang to use my proposed solution for now (see http://mail-archives.apache.org/mod_mbox/harmony-dev/200612.mbox/%3c51abf0750612260906p2a885526wf0afa63b12c87f1e@mail.gmail.com%3e).
Could you please integrate the patch? Thanks!
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Alexei Zakharov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12460621 ]
Alexei Zakharov commented on HARMONY-2338:
------------------------------------------
Mikhail, as far as I understand from the above-mentioned discussion the final decision was to reserve some fixed ports (or port segments) in the unused port space: http://mail-archives.apache.org/mod_mbox/harmony-dev/200612.mbox/%3c3D8E84095C6A524A985B787423094E40872833@mssmsx411%3e
So we probably need a solution that takes fixed port number(s) from system property or smth. like it. Did I miss something?
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Mikhail Markov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-2338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12465470 ]
Mikhail Markov commented on HARMONY-2338:
-----------------------------------------
Alexei, could you please also check HARMONY-2339 and HARMONY-2821 - exceptions seems to me the same as the one for this bug.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: https://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Updated: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Mikhail Markov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=all ]
Mikhail Markov updated HARMONY-2338:
------------------------------------
Attachment: Support_PortManager.patch
I've implemented the following scheme
1) try to use of ServerSocket(0) to find non-busy port (i did not notice any objections agains using ServerSocket :-))
2) If the 1-st step fails at least once (meaning that something wrong with ServerSocket) then use previous unsafe method.
The attached patch modifies Support_PortManager class so all tests using it will utilize this scheme.
Hope this solves the issue.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Assigned: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Alexei Zakharov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=all ]
Alexei Zakharov reassigned HARMONY-2338:
----------------------------------------
Assignee: Alexei Zakharov
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Resolved: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Alexei Zakharov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-2338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexei Zakharov resolved HARMONY-2338.
--------------------------------------
Resolution: Fixed
Committed at the revision r497001. Thanks everyone. Mikhail, please verify.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: https://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Mikhail Markov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12460659 ]
Mikhail Markov commented on HARMONY-2338:
-----------------------------------------
I've resumed the discussion there :-) - I'll update the patch if it's decided to use fixed ports after my proposal.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
> Assigned To: Alexei Zakharov
> Attachments: Support_PortManager.patch
>
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Vasily Zakharov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12455850 ]
Vasily Zakharov commented on HARMONY-2338:
------------------------------------------
In fact, if starting lastAssignedPort is fixed, test_setReuseAddressZ() runs ok the first time and fails all the next times.
The reason for that is trivial: at the test case beginning, setReuseAddress(false) is called and the test case breaks due to a port was open by it's own previous call.
If lastAssignedPort is not fixed, the effect would occur rarely, but would still be possible.
The test passes on Windows as Windows doesn't handle setReuseAddress(false) properly.
Summary: current test design assumes the ports returned by tests.support.Support_PortManager.getNextPort() are free (this is actual for all test cases), and also are not in TIME_WAIT state (this is only actual for test_setReuseAddressZ test case). Either this should somehow be guaranteed, or the test design should be altered essentially.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Commented: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently
Posted by "Vasily Zakharov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=comments#action_12455842 ]
Vasily Zakharov commented on HARMONY-2338:
------------------------------------------
Creating a workaround (see 1.2. above) resolved most issues. However, test_setReuseAddressZ() continues to fail from time to time.
Additional workaround was then used in tests.support.Support_PortManager, setting lastAssignedPort to 6000 instead of somewhatRandomPort(). This fixes the port numbers used on each test run, and this makes test_setReuseAddressZ() to fail almost every time. Investigating further.
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently
> --------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
>
> The test failed 2 times from 162 on DRLVM r479662.
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[jira] Updated: (HARMONY-2338) [classlib][luni]
tests.api.java.net.ServerSocketTest failed intermittently as a part of a
whole module test run
Posted by "Alexei Fedotov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2338?page=all ]
Alexei Fedotov updated HARMONY-2338:
------------------------------------
Component/s: Classlib
> [classlib][luni] tests.api.java.net.ServerSocketTest failed intermittently as a part of a whole module test run
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HARMONY-2338
> URL: http://issues.apache.org/jira/browse/HARMONY-2338
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Environment: SuSE 9 ia32 multi-processor
> Reporter: Alexei Fedotov
>
> The test failed 2 times from 162 on DRLVM r479662.
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