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https://issues.apache.org/jira/browse/DERBY-6354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13789014#comment-13789014
]
Knut Anders Hatlen commented on DERBY-6354:
-------------------------------------------
A NullPointerException at the same line in ConcurrentCache has now also been
seen in StressMultiTest:
http://download.java.net/javadesktop/derby/request_5582547/javadb-task-3738090.html
{noformat}
junit.framework.AssertionFailedError: Caused by:
java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:98)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:142)
at org.apache.derby.impl.jdbc.Util.javaException(Util.java:299)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:436)
at
org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:353)
at
org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:2360)
at
org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:82)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:619)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:559)
at
org.apache.derbyTesting.functionTests.tests.multi.StressMultiTest$StressMultiRunnable.create(StressMultiTest.java:467)
at
org.apache.derbyTesting.functionTests.tests.multi.StressMultiTest$StressMultiRunnable.run(StressMultiTest.java:404)
at java.lang.Thread.run(Thread.java:724)
Caused by: java.sql.SQLException: Java exception: ':
java.lang.NullPointerException'.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:42)
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:123)
at
org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:71)
... 11 more
Caused by: java.lang.NullPointerException
at
org.apache.derby.impl.services.cache.ConcurrentCache.release(ConcurrentCache.java:411)
at
org.apache.derby.impl.services.bytecode.BCJava.vmType(BCJava.java:280)
at
org.apache.derby.impl.services.bytecode.BCMethodDescriptor.<init>(BCMethodDescriptor.java:47)
at
org.apache.derby.impl.services.bytecode.BCClass.newFieldWithAccessors(BCClass.java:406)
at
org.apache.derby.impl.sql.compile.ActivationClassBuilder.finishExecuteMethod(ActivationClassBuilder.java:288)
at
org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:380)
at
org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:545)
at
org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:99)
at
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:1111)
at
org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:611)
... 4 more
at
org.apache.derbyTesting.functionTests.tests.multi.StressMultiTest.handleException(StressMultiTest.java:351)
at
org.apache.derbyTesting.functionTests.tests.multi.StressMultiTest.access$200(StressMultiTest.java:70)
at
org.apache.derbyTesting.functionTests.tests.multi.StressMultiTest$StressMultiRunnable.run(StressMultiTest.java:445)
at java.lang.Thread.run(Thread.java:724)
{noformat}
This was on JDK 8, just like the NPEs originally reported here, and like the
NPE in DERBY-6313. The last failure happened in the nightly testing of version
10.9.2.2 - (1530046).
> DatabaseMetaDataTest.testGetColumnsReadOnly fails with NPE when releasing page
> ------------------------------------------------------------------------------
>
> Key: DERBY-6354
> URL: https://issues.apache.org/jira/browse/DERBY-6354
> Project: Derby
> Issue Type: Bug
> Components: Store
> Affects Versions: 10.11.0.0
> Reporter: Knut Anders Hatlen
> Attachments: fail-solaris.zip, fail-windows.zip
>
>
> Seen twice in the nightly testing lately:
> http://download.java.net/javadesktop/derby/request_5581975/javadb-task-3729984.html
> http://download.java.net/javadesktop/derby/request_5581997/javadb-task-3730576.html
> Both failures happened with JDK 8-ea-b107 (Windows and Solaris).
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