NullPointerException in ....B2IRowLocking3.searchLeftAndLockPreviousKey

• Key: DERBY-3244
• Type: Bug
• Status: Closed
• Resolution: Fixed
• Priority: Major
• Assignee: Mike Matrigali
• Reporter: Ole Solberg
• Component/s: Store
• Affects Version/s: 10.3.2.1, 10.4.1.3
• Fix Version/s: 10.3.3.0, 10.4.1.3

Description

The last week(48) we have seen a large number of this failure.

It was categorized as DERBY-2589 but these instances all have the NPE.


Exception while trying to insert row number: 52
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
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)
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.execute(Unknown Source)
at org.apache.derbyTesting.functionTests.tests.store.OnlineCompressTest.createAndLoadTable(OnlineCompressTest.java:140)
at org.apache.derbyTesting.functionTests.tests.store.OnlineCompressTest.deleteAllRows(OnlineCompressTest.java:494)
at org.apache.derbyTesting.functionTests.tests.store.OnlineCompressTest.test1(OnlineCompressTest.java:913)
at org.apache.derbyTesting.functionTests.tests.store.OnlineCompressTest.testList(OnlineCompressTest.java:1500)
at org.apache.derbyTesting.functionTests.tests.store.OnlineCompressTest.main(OnlineCompressTest.java:1520)
Caused by: java.lang.NullPointerException
at org.apache.derby.impl.store.access.btree.index.B2IRowLocking3.searchLeftAndLockPreviousKey(Unknown Source)
at org.apache.derby.impl.store.access.btree.index.B2IRowLocking3.lockNonScanPreviousRow(Unknown Source)
at org.apache.derby.impl.store.access.btree.BTreeController.doIns(Unknown Source)
at org.apache.derby.impl.store.access.btree.BTreeController.insert(Unknown Source)
at org.apache.derby.impl.store.access.btree.index.B2IController.insert(Unknown Source)
at org.apache.derby.impl.sql.execute.IndexChanger.insertAndCheckDups(Unknown Source)
at org.apache.derby.impl.sql.execute.IndexChanger.doInsert(Unknown Source)
at org.apache.derby.impl.sql.execute.IndexChanger.insert(Unknown Source)
at org.apache.derby.impl.sql.execute.IndexSetChanger.insert(Unknown Source)
at org.apache.derby.impl.sql.execute.RowChangerImpl.insertRow(Unknown Source)
at org.apache.derby.impl.sql.execute.InsertResultSet.normalInsertCore(Unknown Source)
at org.apache.derby.impl.sql.execute.InsertResultSet.open(Unknown Source)
at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
... 8 more


The error statistics shows the occurrences:
(http://dbtg.thresher.com/derby/test/stats_today.html / http://dbtg.thresher.com/derby/test/stats_newest.html )

http://dbtg.thresher.com/derby/test/statistics/2589_48.html :
JIRA: 2589, Week: 48 600335-598009
598009 Daily jvm1.4 vista
598009 Daily jvm1.6 lin
598341 Daily jvm1.6 solN+1
598341 Daily jvm1.6 sparc
598354 10.3Branch jvm1.5 lin
598376 trunk16 jvmAll JDK16Jvm1.5SunOS-5.10_i86pc-i386
598692 Daily jvm1.6 sol
598729 trunk16 jvmAll JDK16Jvm1.6SunOS-5.10_i86pc-i386
599062 Daily jvm1.5 lin
599088 trunk15 jvm1.5 SunOS-5.10_i86pc-i386
599088 trunk15 jvm1.5 SunOS-5.10_sun4u-sparc
599088 trunk16 jvmAll JDK16Jvm1.5SunOS-5.10_i86pc-i386
600335 Daily jvm1.4 lin
Mon Dec 3 09:36:11 CET 2007

http://dbtg.thresher.com/derby/test/statistics/2589_47.html seems to be the first occurence:
JIRA: 2589, Week: 47 597885-597885
597885 Daily jvm1.6 lin
Mon Dec 3 09:36:13 CET 2007

All are seen on trunk except one on the 10.3 branch (598354 10.3Branch jvm1.5 lin).