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https://issues.apache.org/jira/browse/DERBY-5423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13109776#comment-13109776
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Rick Hillegas commented on DERBY-5423:
--------------------------------------
I have logged DERBY-5426 to track the improved error reporting recommended by
Kathey and Mike.
> ERROR X0Y84: Too much contention on sequence NSTESTTAB in ns system test
> -------------------------------------------------------------------------
>
> Key: DERBY-5423
> URL: https://issues.apache.org/jira/browse/DERBY-5423
> Project: Derby
> Issue Type: Bug
> Affects Versions: 10.8.2.1
> Environment: Windows XP, with ibm 1.6 SR9 FP1
> Reporter: Myrna van Lunteren
>
> The nstest system test showed the following error in the test run with
> 10.8.2.1 (not seen with earlier versions, incl. 10.8.1.2):
> -----------------------------
> ==========> Tester2Thread 45 THREAD starting <======
> Tester2Thread 45 is getting a connection to the database...
> -->Thread Tester2Thread 45 starting with url
> jdbc:derby:nstestdb;create=true;bootPassword=12345678 <--
> Connection number: 52
> java.sql.SQLException: Too much contention on sequence NSTESTTAB.
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown
> Source)
> at org.apache.derby.impl.jdbc.Util.generateCsSQLException(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.EmbedPreparedStatement.executeStatement(Unknown
> Source)
> at
> org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeUpdate(Unknown
> Source)
> at
> org.apache.derbyTesting.system.nstest.utils.DbUtil.add_one_row(DbUtil.java:201)
> at
> org.apache.derbyTesting.system.nstest.tester.TesterObject.doIUDOperation(TesterObject.java:148)
> at
> org.apache.derbyTesting.system.nstest.tester.Tester2.startTesting(Tester2.java:109)
> at org.apache.derbyTesting.system.nstest.NsTest.run(NsTest.java:555)
> Caused by: java.sql.SQLException: Too much contention on sequence NSTESTTAB.
> at java.lang.Throwable.<init>(Throwable.java:67)
> at java.sql.SQLException.<init>(SQLException.java:101)
> at org.apache.derby.impl.jdbc.EmbedSQLException.<init>(Unknown Source)
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown
> Source)
> ... 13 more
> Caused by: ERROR X0Y84: Too much contention on sequence NSTESTTAB.
> at org.apache.derby.iapi.error.StandardException.newException(Unknown
> Source)
> at
> org.apache.derby.impl.sql.catalog.SequenceUpdater.getCurrentValueAndAdvance(Unknown
> Source)
> at
> org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getCurrentValueAndAdvance(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.InsertResultSet.getSetAutoincrementValue(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.BaseActivation.getSetAutoincrementValue(Unknown
> Source)
> at
> org.apache.derby.exe.ac7a858e18x0132x6516x81e1x0000003123480.e0(Unknown
> Source)
> at org.apache.derby.impl.services.reflect.DirectCall.invoke(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.RowResultSet.getNextRowCore(Unknown Source)
> at
> org.apache.derby.impl.sql.execute.NormalizeResultSet.getNextRowCore(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.DMLWriteResultSet.getNextRowCore(Unknown
> Source)
> at org.apache.derby.impl.sql.execute.InsertResultSet.open(Unknown
> Source)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
> at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown
> Source)
> ... 7 more
> ---------------------------------
> After that, it happens again:
> --------------------------------
> Exception when preparing or executing insert prepared stmt
> java.sql.SQLException: Too much contention on sequence NSTESTTAB.
> Tester2Thread 25 dbUtil ----> During executing/preparing insert stmt in
> dbUtil, exception thrown was : java.sql.SQLException: Too much contention on
> sequence NSTESTTAB.
> java.sql.SQLException: Too much contention on sequence NSTESTTAB.
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown
> Source)
> at org.apache.derby.impl.jdbc.Util.generateCsSQLException(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.EmbedPreparedStatement.executeStatement(Unknown
> Source)
> at
> org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeUpdate(Unknown
> Source)
> at
> org.apache.derbyTesting.system.nstest.utils.DbUtil.add_one_row(DbUtil.java:201)
> at
> org.apache.derbyTesting.system.nstest.tester.TesterObject.doIUDOperation(TesterObject.java:148)
> at
> org.apache.derbyTesting.system.nstest.tester.Tester2.startTesting(Tester2.java:109)
> at org.apache.derbyTesting.system.nstest.NsTest.run(NsTest.java:555)
> Caused by: java.sql.SQLException: Too much contention on sequence NSTESTTAB.
> at java.lang.Throwable.<init>(Throwable.java:67)
> at java.sql.SQLException.<init>(SQLException.java:101)
> at org.apache.derby.impl.jdbc.EmbedSQLException.<init>(Unknown Source)
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown
> Source)
> ... 13 more
> Caused by: ERROR X0Y84: Too much contention on sequence NSTESTTAB.
> at org.apache.derby.iapi.error.StandardException.newException(Unknown
> Source)
> at
> org.apache.derby.impl.sql.catalog.SequenceUpdater.getCurrentValueAndAdvance(Unknown
> Source)
> at
> org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getCurrentValueAndAdvance(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.InsertResultSet.getSetAutoincrementValue(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.BaseActivation.getSetAutoincrementValue(Unknown
> Source)
> at
> org.apache.derby.exe.ac7a858e18x0132x6516x81e1x0000003123480.e0(Unknown
> Source)
> at org.apache.derby.impl.services.reflect.DirectCall.invoke(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.RowResultSet.getNextRowCore(Unknown Source)
> at
> org.apache.derby.impl.sql.execute.NormalizeResultSet.getNextRowCore(Unknown
> Source)
> at
> org.apache.derby.impl.sql.execute.DMLWriteResultSet.getNextRowCore(Unknown
> Source)
> at org.apache.derby.impl.sql.execute.InsertResultSet.open(Unknown
> Source)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Unknown Source)
> at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown
> Source)
> ... 7 more
> --------------------------
> And more often.
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