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Posted to derby-dev@db.apache.org by "Mike Matrigali (JIRA)" <ji...@apache.org> on 2008/05/23 18:27:56 UTC

[jira] Updated: (DERBY-3362) ControlRow NPE

     [ https://issues.apache.org/jira/browse/DERBY-3362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mike Matrigali updated DERBY-3362:
----------------------------------


The first "released" version in the 10.3 branch  that includes this fix is 10.3.3.0, this just got announced a few days ago - see:
http://mail-archives.apache.org/mod_mbox/db-derby-user/200805.mbox/%3c54ac72d70805211242y29d4a0bcyf6ae518a7a8f1767@mail.gmail.com%3e

If you are building your own releases, it was fixed in the 10.2.2 branch with change number 634101.   If JIRA has an "unreleased" version marked as the fix in, it means it was fixed in the branch but at least at the time of the fix a release had not been made.  Sometimes the comments will say which JIRA version fixes it, otherwise the svn tab can be used to see when the fix went in.

The version you are running is an earlier version of 10.2.2 - ie. 616146.

> ControlRow NPE
> --------------
>
>                 Key: DERBY-3362
>                 URL: https://issues.apache.org/jira/browse/DERBY-3362
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.3.2.1, 10.4.1.3
>            Reporter: James Alan Shepherd
>            Assignee: Mike Matrigali
>             Fix For: 10.3.2.2, 10.4.1.3
>
>         Attachments: b3362.diff, derbylog.zip
>
>
> I have a NPE in Derby 10.3.2.1 (10.3.1.4 does not show this behaviour) that is probably the same one discussed in DERBY-3216
> FATAL 38406 [Main] (Start.java:153) - Start FAILED
> org.springframework.transaction.TransactionSystemException: Could not commit JDBC transaction; nested exception is java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
> Caused by:
> java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.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.EmbedConnection.commit(Unknown Source)
>         at org.apache.commons.dbcp.DelegatingConnection.commit(DelegatingConnection.java:238)
>         at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.commit(PoolingDataSource.java:199)
>         at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:245)
>         at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:651)
>         at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:621)
>         at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:146)
>         at com.aaa.bbb.cccFactory$ddd.add(cccFactory.java:324)
>         at com.aaa.eee.fff.ggg.reload(ggg.java:44)
>         at com.aaa.eee.fff.ggg.startup(ggg.java:57)
>         at com.aaa.eee.fff.Start.startupEee(Start.java:170)
>         at com.aaa.eee.fff.Start.startup(Start.java:146)
>         at com.aaa.start.Starter.startup(Starter.java:264)
>         at com.aaa.start.Main.startup(Main.java:270)
>         at com.aaa.start.Main.main(Main.java:199)
> Caused by: java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source)
>         ... 21 more
> Caused by: java.lang.NullPointerException
>         at org.apache.derby.impl.store.access.btree.ControlRow.getControlRowForPage(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.ControlRow.get(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.ControlRow.get(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.BTreePostCommit.purgeRowLevelCommittedDeletes(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.BTreePostCommit.performWork(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.postTermination(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.completeCommit(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.commit(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.commit(Unknown Source)
>         at org.apache.derby.impl.store.access.RAMTransaction.commit(Unknown Source)
>         at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.doCommit(Unknown Source)
>         at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.userCommit(Unknown Source)
>         at org.apache.derby.impl.jdbc.TransactionResourceImpl.commit(Unknown Source)
>         ... 15 more
> and derby.log:
> 2008-01-28 08:26:36.148 GMT Thread[Main,5,main] (XID = 1888), (SESSIONID = 2), (DATABASE = directory:myDB), (DRDAID = null), Executing prepared statement: SELECT COUNT(*) FROM ZZZ WHERE nID IS NULL :End prepared statement
> 2008-01-28 08:26:36.150 GMT Thread[Main,5,main] (XID = 1888), (SESSIONID = 2), (DATABASE = directory:myDB), (DRDAID = null), Committing
> 2008-01-28 08:26:36.188 GMT Thread[Main,5,main] (XID = 1888), (SESSIONID = 2), (DATABASE = directory:myDB), (DRDAID = null), Cleanup action starting
> 2008-01-28 08:26:36.188 GMT Thread[Main,5,main] (XID = 1888), (SESSIONID = 2), (DATABASE = directory:myDB), (DRDAID = null), Failed Statement is: null with 2 parameters begin parameter #1: 1 :end parameter begin parameter #2: 1 :end param
> eter
> java.lang.NullPointerException
>         at org.apache.derby.impl.store.access.btree.ControlRow.getControlRowForPage(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.ControlRow.get(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.ControlRow.get(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.BTreePostCommit.purgeRowLevelCommittedDeletes(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.BTreePostCommit.performWork(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.postTermination(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.completeCommit(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.commit(Unknown Source)
>         at org.apache.derby.impl.store.raw.xact.Xact.commit(Unknown Source)
>         at org.apache.derby.impl.store.access.RAMTransaction.commit(Unknown Source)
>         at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.doCommit(Unknown Source)
>         at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.userCommit(Unknown Source)
>         at org.apache.derby.impl.jdbc.TransactionResourceImpl.commit(Unknown Source)
>         at org.apache.derby.impl.jdbc.EmbedConnection.commit(Unknown Source)
>         at org.apache.commons.dbcp.DelegatingConnection.commit(DelegatingConnection.java:238)
>         at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.commit(PoolingDataSource.java:199)
>         at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:245)
>         at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:651)
>         at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:621)
>         at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:146)
>         at com.aaa.bbb.cccFactory$ddd.add(cccFactory.java:324)
>         at com.aaa.eee.fff.ggg.reload(ggg.java:44)
>         at com.aaa.eee.fff.ggg.startup(ggg.java:57)
>         at com.aaa.eee.fff.Start.startupEee(Start.java:170)
>         at com.aaa.eee.fff.Start.startup(Start.java:146)
>         at com.aaa.start.Starter.startup(Starter.java:264)
>         at com.aaa.start.Main.startup(Main.java:270)
>         at com.aaa.start.Main.main(Main.java:199)
> Cleanup action completed
> This is a long transaction that has suddenly started throwing a NPE.
> Nothing strange happens during the transaction, but on closing I get
> the NPE.
> If I reorder some of the statements in the transaction (keeping
> functional equivalence) the NPE is sometimes not thrown.
> I have already moved any table/index create statements to a different (previously committed) transaction. (I have had a few NPE before and locking issues that led me to this practice).
> For a while I thought that shutting down derby after creating tables solved the problem, but this has been proven false.
> I have tried to run with a sane version, but then I am blocked by too many DERBY-3360.
> Also:
> On occasion the transaction DOES commit. Or seems to, but then Derby becomes unresponsive, the db files do not grow, but CPU rises and new connections can connect but get no response to commands. I don't know if this is really connected or not, but I thought I would mention it, as this unresponsive problem is what I am supposed to be diagnosing. When I say seems to commit, I mean that sometimes commit returns, sometimes it doesn't. Not very helpful, I know.

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