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https://issues.apache.org/jira/browse/DERBY-5530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kristian Waagan updated DERBY-5530:
-----------------------------------
Component/s: SQL
Issue & fix info: Repro attached,Workaround attached (was: Repro
attached)
Affects Version/s: 10.3.3.0
10.4.2.0
10.5.3.0
10.6.2.1
10.7.1.1
Bug behavior facts: Crash
Some comments on this issue:
o the bug is in the truncate table code
o the istat deamon and the update statistics code are not causing this bug
o workaround: drop and recreate the index(es) (preferably just after the
truncate command has finished)
> SQLChar.getCollationKey NPE in index-stat-thread
> ------------------------------------------------
>
> Key: DERBY-5530
> URL: https://issues.apache.org/jira/browse/DERBY-5530
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.3.3.0, 10.4.2.0, 10.5.3.0, 10.6.2.1, 10.7.1.1,
> 10.8.2.2
> Environment: Windows 7 - NetBeans 6.9.1
> Reporter: Jean-Yves LINET
> Assignee: Kristian Waagan
> Attachments: repro-debug.log, repro.log, repro.sh, script.sh
>
>
> With this JDBC connection url is :
> jdbc:derby:directory:db_name;territory=fr_FR;collation=TERRITORY_BASED:PRIMARY;create=true
> I get a NullPointerException in index-stat-thread
> Sun Dec 11 19:33:11 CET 2011 Thread[pool-3-thread-1,5,main] {istat}
> "PROXIFLEX"."IDAXX_RES": update scheduled, reason=[no stats,
> row-estimate=375] (queueSize=1)
> Sun Dec 11 19:33:11 CET 2011 Thread[index-stat-thread,5,main]
> {istat,trace@26130360} worker thread started (xid=12049)
> [q/p/s=1/0/1,err:k/u/c=0/0/0,rej:f/d/o=0/0/0]
> Sun Dec 11 19:33:11 CET 2011 Thread[index-stat-thread,5,main]
> {istat,trace@26130360} processing "PROXIFLEX"."IDAXX_RES"
> Sun Dec 11 19:33:11 CET 2011 Thread[index-stat-thread,5,main] {istat} runtime
> exception during normal operation
> java.lang.NullPointerException
> at org.apache.derby.iapi.types.SQLChar.getCollationKey(Unknown Source)
> at
> org.apache.derby.iapi.types.WorkHorseForCollatorDatatypes.stringCompare(Unknown
> Source)
> at org.apache.derby.iapi.types.CollatorSQLVarchar.stringCompare(Unknown
> Source)
> at org.apache.derby.iapi.types.SQLChar.compare(Unknown Source)
> at
> org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl$KeyComparator.compareWithPrevKey(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.processingLoop(Unknown
> Source)
> at
> org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl.run(Unknown
> Source)
> at java.lang.Thread.run(Thread.java:662)
> Sun Dec 11 19:33:11 CET 2011 Thread[index-stat-thread,5,main]
> {istat,trace@26130360} worker thread exit
> [q/p/s=0/0/1,err:k/u/c=0/0/0,rej:f/d/o=0/0/0]
> If I remove territory and collation parameters I don't have the exception.
> In case you want to disable automatic statistics, set derby property :
> derby.storage.indexStats.auto to false.
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