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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5243) assert failure in test testRAFReadWriteMultipleThreads: interrupted flag cleared
Date Fri, 27 May 2011 23:21:47 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-5243:
---------------------------------

    Attachment: DERBY-5243-1.stat
                DERBY-5243-1.diff

Uploading a patch which moves the setting of the interrupted flag to just before CONN_INTERRUPT
exception is thrown as an SQLException back to the user application. Previously, we set the
interrupted flag when we first threw the internal StandardException. The new placement means
we are done with IO to derby.log which may be behind the problem we are seeing. I ran this
100 times on Linux/JDK 5 without seeing the error.

Running regressions.


> assert failure in test testRAFReadWriteMultipleThreads: interrupted flag cleared
> --------------------------------------------------------------------------------
>
>                 Key: DERBY-5243
>                 URL: https://issues.apache.org/jira/browse/DERBY-5243
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL, Test
>    Affects Versions: 10.8.1.2
>         Environment: Linux, Sun JDK 1.4.2u25 and JDK 5. Not seen or JDK 6 or 7, or other
OS than Linux
>            Reporter: Dag H. Wanvik
>            Priority: Minor
>         Attachments: DERBY-5243-1.diff, DERBY-5243-1.stat, DERBY-5243-instrument.diff,
DERBY-5243-instrument.stat, nanotime.log
>
>
> This is another instance of an interrupted thread losing its interrupted flag after calling
Derby, but I believe this is distinct from other we have seen.
> 1) testRAFReadWriteMultipleThreads(org.apache.derbyTesting.functionTests.tests.store.InterruptResilienceTest)java.sql.SQLException:
The exception 'junit.framework.AssertionFailedError: WorkerThread 0' was thrown while evaluating
an expression.
> 	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.executeUpdate(Unknown Source)
> 	at org.apache.derbyTesting.functionTests.tests.store.InterruptResilienceTest.testRAFReadWriteMultipleThreads(InterruptResilienceTest.java:532)
> 	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 junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> Caused by: java.sql.SQLException: Java exception: 'WorkerThread 0: junit.framework.AssertionFailedError'.
> 	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.Util.javaException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
> 	... 45 more
> Caused by: junit.framework.AssertionFailedError: WorkerThread 0
> 	at org.apache.derbyTesting.junit.BaseTestCase.fail(BaseTestCase.java:771)
> 	at org.apache.derbyTesting.functionTests.tests.store.InterruptResilienceTest.tstRAFReadWriteMultipleThreads(InterruptResilienceTest.java:323)
> 	at org.apache.derby.exe.ac070a00b0x0130x06edxad12x000062ebfce90.g0(Unknown Source)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derby.impl.services.reflect.ReflectMethod.invoke(Unknown Source)
> 	at org.apache.derby.impl.sql.execute.CallStatementResultSet.open(Unknown Source)
> 	at org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
> 	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
> 	... 41 more
> Caused by: junit.framework.AssertionFailedError
> 	at org.apache.derbyTesting.functionTests.tests.store.InterruptResilienceTest$WorkerThread.run(InterruptResilienceTest.java:430)

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