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Date: Fri, 2 Sep 2011 12:08:10 +0000 (UTC)
From: "Knut Anders Hatlen (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
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Subject: [jira] [Commented] (DERBY-4275) Query executions fail when
 compressing a table using SYSCS_UTIL.SYSCS_COMPRESS_TABLE
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    [ https://issues.apache.org/jira/browse/DERBY-4275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13095934#comment-13095934 ] 

Knut Anders Hatlen commented on DERBY-4275:
-------------------------------------------

Merged npe.diff to 10.8 and committed revision 1164499.

> Query executions fail when compressing a table using SYSCS_UTIL.SYSCS_COMPRESS_TABLE
> ------------------------------------------------------------------------------------
>
>                 Key: DERBY-4275
>                 URL: https://issues.apache.org/jira/browse/DERBY-4275
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.4.1.3
>            Reporter: Sai Pullabhotla
>            Assignee: Knut Anders Hatlen
>              Labels: derby_triage10_5_2
>             Fix For: 10.8.1.6, 10.9.0.0
>
>         Attachments: CompressDBTest1.java, CompressDBTest2.java, D4275.java, d4275-1a.diff, invalidate-after.diff, invalidation-during-compilation.diff, npe.diff
>
>
> Query executions (SELECT and/or UPDATE) fail with serious exceptions while the table is being compressed using SYSCS_UTIL.SYSCS_COMPRESS_ TABLE. The compression eventually finishes normally, but the queries keep failing with the same error until the database is rebooted. More information about this can be found on the Derby mailing list at http://www.nabble.com/Issue-with-SYSCS_UTIL.SYSCS_COMPRESS_-TABLE-td23892893.html. The exception stacktrace is below: 
> Caused by: java.sql.SQLException: The conglomerate (71,409) requested does not exist.
>             at org.apache.derby.impl.jdbc.SQLExceptionFactory.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.executeQuery(Unknown Source)
>             at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:93)
>             ... 25 more
>         Caused by: ERROR XSAI2: The conglomerate (71,409) requested does not exist.
>             at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
>             at org.apache.derby.impl.store.access.btree.index.B2IFactory.readConglomerate(Unknown Source)
>             at org.apache.derby.impl.store.access.RAMAccessManager.conglomCacheFind(Unknown Source)
>             at org.apache.derby.impl.store.access.RAMTransaction.findExistingConglomerate(Unknown Source)
>             at org.apache.derby.impl.store.access.RAMTransaction.openScan(Unknown Source)
>             at org.apache.derby.impl.store.access.BackingStoreHashTableFromScan.<init>(Unknown Source)
>             at org.apache.derby.impl.store.access.RAMTransaction.createBackingStoreHashtableFromScan(Unknown Source)
>             at org.apache.derby.impl.sql.execute.HashScanResultSet.openCore(Unknown Source)
>             at org.apache.derby.impl.sql.execute.JoinResultSet.openRight(Unknown Source)
>             at org.apache.derby.impl.sql.execute.JoinResultSet.openCore(Unknown Source)
>             at org.apache.derby.impl.sql.execute.JoinResultSet.openCore(Unknown Source)
>             at org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openCore(Unknown Source)
>             at org.apache.derby.impl.sql.execute.UnionResultSet.getNextRowCore(Unknown Source)
>             at org.apache.derby.impl.sql.execute.SortResultSet.getRowFromResultSet(Unknown Source)
>             at org.apache.derby.impl.sql.execute.SortResultSet.getNextRowFromRS(Unknown Source)
>             at org.apache.derby.impl.sql.execute.SortResultSet.loadSorter(Unknown Source)
>             at org.apache.derby.impl.sql.execute.SortResultSet.openCore(Unknown Source)
>             at org.apache.derby.impl.sql.execute.SortResultSet.openCore(Unknown Source)
>             at org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl.open(Unknown Source)
>             at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source) 

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