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https://issues.apache.org/jira/browse/DERBY-6907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18011364#comment-18011364
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Ondrej Mihályi commented on DERBY-6907:
---------------------------------------
The LockDebugging page has moved here:
https://cwiki.apache.org/confluence/display/DERBY/LockDebugging
> ERROR 40XL1: A lock could not be obtained within the time requested
> -------------------------------------------------------------------
>
> Key: DERBY-6907
> URL: https://issues.apache.org/jira/browse/DERBY-6907
> Project: Derby
> Issue Type: Bug
> Affects Versions: 10.11.1.1
> Reporter: Yuriy Kashnikov
> Priority: Major
>
> We encountered the following error while meeting Compression with Insert (see
> below). Load might be relatively small, so I am not sure why does it coes the
> trouble. Please let me know if you need more information. I will try to
> providing a minimal reproducible case but this extremely hard given sizes of
> our app and its integration with Derby.
> Caused by: ERROR 40001: A lock could not be obtained due to a deadlock, cycle
> of locks and waiters is:
> Lock : TABLE, EXECUTIONISSUE, Tablelock
> Waiting XID : {220825613, IX} , APP, INSERT INTO executionissue (reportId,
> stepId, details, path, orderIndex, severity) VALUES (?, ?, ?, ?, ?, ?)
> Granted XID : {220825551, X}
> Lock : ROW, SYSCONGLOMERATES, (8,11)
> Waiting XID : {220825551, X} , APP, alter table "APP"."EXECUTIONISSUE"
> compress
> Granted XID : {220825551, S} , {220825613, S}
> . The selected victim is XID : 220825613.
> at org.apache.derby.iapi.error.StandardException.newException(Unknown
> Source)
> at org.apache.derby.iapi.error.StandardException.newException(Unknown
> Source)
> at
> org.apache.derby.impl.services.locks.Deadlock.buildException(Unknown Source)
> at
> org.apache.derby.impl.services.locks.ConcurrentLockSet.lockObject(Unknown
> Source)
> at
> org.apache.derby.impl.services.locks.AbstractPool.lockObject(Unknown Source)
> at
> org.apache.derby.impl.services.locks.ConcurrentPool.lockObject(Unknown Source)
> at
> org.apache.derby.impl.store.raw.xact.RowLocking3.lockContainer(Unknown Source)
> at
> org.apache.derby.impl.store.raw.data.BaseContainerHandle.useContainer(Unknown
> Source)
> at
> org.apache.derby.impl.store.raw.data.BaseDataFileFactory.openContainer(Unknown
> Source)
> at
> org.apache.derby.impl.store.raw.data.BaseDataFileFactory.openContainer(Unknown
> Source)
> at org.apache.derby.impl.store.raw.xact.Xact.openContainer(Unknown
> Source)
> at
> org.apache.derby.impl.store.access.conglomerate.OpenConglomerate.init(Unknown
> Source)
> at org.apache.derby.impl.store.access.heap.Heap.open(Unknown Source)
> at
> org.apache.derby.impl.store.access.RAMTransaction.openConglomerate(Unknown
> Source)
> at
> org.apache.derby.impl.store.access.RAMTransaction.openConglomerate(Unknown
> Source)
> at
> org.apache.derby.impl.sql.compile.StatementNode.lockTableForCompilation(Unknown
> Source)
> at
> org.apache.derby.impl.sql.compile.DMLModStatementNode.verifyTargetTable(Unknown
> Source)
> at org.apache.derby.impl.sql.compile.InsertNode.bindStatement(Unknown
> Source)
> at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown
> Source)
> at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
> at
> org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
> Source)
> ... 30 more
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