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Posted to derby-dev@db.apache.org by "Kristian Waagan (JIRA)" <ji...@apache.org> on 2011/08/18 09:20:27 UTC
[jira] [Closed] (DERBY-5031) Exception in thread
"index-stat-thread" java.lang.NullPointerException while calling
ControlRow.getControlRowForPage(Unknown Source)
[ https://issues.apache.org/jira/browse/DERBY-5031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kristian Waagan closed DERBY-5031.
----------------------------------
Closing issue.
> Exception in thread "index-stat-thread" java.lang.NullPointerException while calling ControlRow.getControlRowForPage(Unknown Source)
> ------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-5031
> URL: https://issues.apache.org/jira/browse/DERBY-5031
> Project: Derby
> Issue Type: Bug
> Components: Store
> Affects Versions: 10.8.1.2
> Environment: Sun Microsystems Inc.
> 1.6.0_181069888
> 2011-02-11 18:00:25 MET
> Reporter: Mike Matrigali
> Assignee: Mike Matrigali
>
> Nightly tests failed across many platforms with a number of failures. I noticed this stack from the background
> istats threa hanging out at the end
> of the output file in a some of the cases. I don't know if this stack caused the errors or not. It may just be a bad
> error handling on shutdown. It would be good to understand why it is printed when/where it is.
> FAILURES!!!
> Tests run: 13369, Failures: 3, Errors: 1
> ------------------------------
> Exception in thread "index-stat-thread" 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.BTreeScan.reposition(Unknown Source)
> at org.apache.derby.impl.store.access.btree.BTreeForwardScan.fetchRows(Unknown Source)
> at org.apache.derby.impl.store.access.btree.BTreeScan.fetchNextGroup(Unknown Source)
> at org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl$KeyComparator.fetchRows(Unknown Source)
> at org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl.updateIndexStatsMinion(Unknown Source)
> at org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl.generateStatistics(Unknown Source)
> at org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl.run(Unknown Source)
> at java.lang.Thread.run(Thread.java:619)
> Here are some links from sun nightly tests runs showing this error, it happened in a lot of the runs but not all the ones I looked at.
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.6/testing/testlog/lin/1069888-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.6/testing/testlog/sles/1069888-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.6/testing/testlog/sol/1069888-suitesAll_diff.txt
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.6/testing/testlog/sol32/1069888-suitesAll_diff.txt
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