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Posted to derby-dev@db.apache.org by "Knut Anders Hatlen (JIRA)" <ji...@apache.org> on 2011/06/15 15:04:47 UTC

[jira] [Created] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
------------------------------------------------------------------------------------------------------------

                 Key: DERBY-5278
                 URL: https://issues.apache.org/jira/browse/DERBY-5278
             Project: Derby
          Issue Type: Bug
          Components: Test
    Affects Versions: 10.9.0.0
         Environment: java version "1.4.2_30"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)

Red Hat Enterprise Linux Server release 5.1 (Tikanga)
            Reporter: Knut Anders Hatlen


This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:

http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt

1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
	at junit.extensions.TestSetup.run(TestSetup.java:25)
	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
	at junit.extensions.TestSetup.run(TestSetup.java:25)
	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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[jira] [Updated] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DERBY-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen updated DERBY-5278:
--------------------------------------

    Issue & fix info: [Patch Available]

> AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5278
>                 URL: https://issues.apache.org/jira/browse/DERBY-5278
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.9.0.0
>         Environment: java version "1.4.2_30"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
> Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)
> Red Hat Enterprise Linux Server release 5.1 (Tikanga)
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>         Attachments: sync.diff
>
>
> This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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[jira] [Resolved] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DERBY-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen resolved DERBY-5278.
---------------------------------------

          Resolution: Fixed
       Fix Version/s: 10.9.0.0
    Issue & fix info:   (was: [Patch Available])

Committed revision 1136844.

> AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5278
>                 URL: https://issues.apache.org/jira/browse/DERBY-5278
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.9.0.0
>         Environment: java version "1.4.2_30"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
> Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)
> Red Hat Enterprise Linux Server release 5.1 (Tikanga)
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>             Fix For: 10.9.0.0
>
>         Attachments: sync.diff
>
>
> This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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For more information on JIRA, see: http://www.atlassian.com/software/jira

[jira] [Closed] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DERBY-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen closed DERBY-5278.
-------------------------------------


> AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5278
>                 URL: https://issues.apache.org/jira/browse/DERBY-5278
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.8.1.2, 10.9.0.0
>         Environment: java version "1.4.2_30"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
> Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)
> Red Hat Enterprise Linux Server release 5.1 (Tikanga)
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>             Fix For: 10.8.1.4, 10.9.0.0
>
>         Attachments: sync.diff
>
>
> This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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For more information on JIRA, see: http://www.atlassian.com/software/jira

[jira] [Assigned] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DERBY-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen reassigned DERBY-5278:
-----------------------------------------

    Assignee: Knut Anders Hatlen

> AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5278
>                 URL: https://issues.apache.org/jira/browse/DERBY-5278
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.9.0.0
>         Environment: java version "1.4.2_30"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
> Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)
> Red Hat Enterprise Linux Server release 5.1 (Tikanga)
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>
> This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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[jira] [Updated] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DERBY-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen updated DERBY-5278:
--------------------------------------

    Affects Version/s: 10.8.1.2
        Fix Version/s: 10.8.1.4

Merged to 10.8. Committed revision 1138003.

> AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5278
>                 URL: https://issues.apache.org/jira/browse/DERBY-5278
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.8.1.2, 10.9.0.0
>         Environment: java version "1.4.2_30"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
> Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)
> Red Hat Enterprise Linux Server release 5.1 (Tikanga)
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>             Fix For: 10.8.1.4, 10.9.0.0
>
>         Attachments: sync.diff
>
>
> This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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For more information on JIRA, see: http://www.atlassian.com/software/jira

[jira] [Updated] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DERBY-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen updated DERBY-5278:
--------------------------------------

    Bug behavior facts: [Regression Test Failure]

> AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5278
>                 URL: https://issues.apache.org/jira/browse/DERBY-5278
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.9.0.0
>         Environment: java version "1.4.2_30"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
> Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)
> Red Hat Enterprise Linux Server release 5.1 (Tikanga)
>            Reporter: Knut Anders Hatlen
>
> This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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[jira] [Updated] (DERBY-5278) AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()

Posted by "Knut Anders Hatlen (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/DERBY-5278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Knut Anders Hatlen updated DERBY-5278:
--------------------------------------

    Attachment: sync.diff

The test case that fails runs in two threads that need to do the operations in a specific order. Currently, the threads use Thread.sleep() to ensure the ordering. This may break if the timing isn't quite what we expect.

It looks like the assert failure happens because the helper thread has started inserting new rows into the table too early. It should wait until the main thread has started an index scan and got blocked on a lock that the helper thread is holding.

The attached patch (sync.diff) makes the threads synchronize using an object on which they call wait/notify to tell the other thread that they're in the expected state. This should be more reliable than Thread.sleep(), and it should also make the test run slightly faster in the common case, since the sleep time is probably higher than needed on most machines.

Now the helper thread will know that the main thread is ready to start the index scan before it goes ahead inserting more rows. And the main thread knows that the helper thread has obtained the required lock before it starts the index scan. There's still one sleep() call in the test case to ensure that the index scan has actually started before the helper thread begins inserting, but since both threads are in a well-known state when sleep() is called, it should be much more likely to work as intended.

> AssertionFailedError in IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split()
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5278
>                 URL: https://issues.apache.org/jira/browse/DERBY-5278
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.9.0.0
>         Environment: java version "1.4.2_30"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_30-b04)
> Java HotSpot(TM) Client VM (build 1.4.2_30-b04, mixed mode)
> Red Hat Enterprise Linux Server release 5.1 (Tikanga)
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>         Attachments: sync.diff
>
>
> This failure has been seen occasionally (three times so far) on Java 1.4.2_30 on Linux. Examples:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1095760-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1102361-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.4/testing/testlog/lin/1133954-suitesAll_diff.txt
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<0> but was:<-299>
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_unique_split(IndexSplitDeadlockTest.java:397)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)

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