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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3678) StackOverflowException in deadlock trace
Date Wed, 11 Jun 2008 19:38:45 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12604313#action_12604313
] 

Knut Anders Hatlen commented on DERBY-3678:
-------------------------------------------

Thanks again, Dag!

I guess you're right that the problem is limited to concurrent compress of SYS.SYSSCHEMAS
and is not very likely, nor very harmful given that this code is only used for diagnostics.
Great that you added a comment about this in the code! I have no more comments to the latest
patch.

> StackOverflowException in deadlock trace
> ----------------------------------------
>
>                 Key: DERBY-3678
>                 URL: https://issues.apache.org/jira/browse/DERBY-3678
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.3.2.1
>         Environment: (this is actually in version 10.3.2.2)
> MacOS 10, JDK 1.6
>            Reporter: geoff hendrey
>            Assignee: Dag H. Wanvik
>             Fix For: 10.5.0.0
>
>         Attachments: derby-3678-1.diff, derby-3678-1.stat, derby-3678-2.diff, derby-3678-2.stat,
derby-3678-3.diff, derby-3678-3.stat
>
>
> I am getting a deadlock in SYSTABLE. When I turn on Dderby.locks.deadlockTrace=true,
I get a StackOverflowException
> Derby version The Apache Software Foundation - Apache Derby - 10.3.2.2
> - (618335): instance 80220011-0119-f93f-b912-00000000bced
> on database directory /db/domains/geoff  
> Database Class Loader started - derby.database.classpath=''
> 2008-05-17 23:44:36.380
> GMT Thread[btpool0-2,5,main] (XID = 7556), (SESSIONID = 4), (DATABASE =
> domains/geoff), (DRDAID = null), Cleanup action starting
> java.lang.StackOverflowError
>         at org.apache.derby.impl.sql.execute.GenericExecutionFactory.getValueRow(Unknown
Source)
>         at org.apache.derby.impl.sql.catalog.SYSCONGLOMERATESRowFactory.makeRow(Unknown
Source)
>         at org.apache.derby.impl.sql.catalog.SYSCONGLOMERATESRowFactory.makeEmptyRow(Unknown
> Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.hashAllConglomerateDescriptorsByNumber(Unknown
> Source)
>         at org.apache.derby.impl.services.locks.TableNameInfo.<init>(Unknown Source)
>         at org.apache.derby.impl.services.locks.Timeout.buildLockTableString(Unknown
Source)
>         at org.apache.derby.impl.services.locks.Timeout.createException(Unknown Source)
>         at org.apache.derby.impl.services.locks.Timeout.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.lockRecordForRead(Unknown
Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.lockRow(Unknown Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.lockRow(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.index.B2IRowLocking3.lockRowOnPage(Unknown
> Source)
>         at org.apache.derby.impl.store.access.btree.index.B2IRowLocking3._lockScanRow(Unknown
> Source)
>         at org.apache.derby.impl.store.access.btree.index.B2IRowLockingRR.lockScanRow(Unknown
> Source)
>         at org.apache.derby.impl.store.access.btree.BTreeForwardScan.fetchRows(Unknown
Source)
>         at org.apache.derby.impl.store.access.btree.BTreeScan.next(Unknown Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getDescriptorViaIndex(Unknown
> Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.locateSchemaRow(Unknown
Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getSchemaDescriptor(Unknown
> Source)
>         at org.apache.derby.impl.sql.catalog.SYSTABLESRowFactory.buildDescriptor(Unknown
Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.hashAllTableDescriptorsByTableId(Unknown
> Source)
>         at org.apache.derby.impl.services.locks.TableNameInfo.<init>(Unknown Source)
>         at org.apache.derby.impl.services.locks.Timeout.buildLockTableString(Unknown
Source)
>         at org.apache.derby.impl.services.locks.Timeout.createException(Unknown Source)
>         at org.apache.derby.impl.services.locks.Timeout.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.lockRecordForRead(Unknown
Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.lockRow(Unknown Source)
>         at org.apache.derby.impl.store.access.heap.HeapController.lockRow(Unknown Source)
>         at org.apache.derby.impl.store.access.btree.index.B2IRowLocking3.lockRowOnPage(Unknown
> Source)
>         at org.apache.derby.impl.store.access.btree.index.B2IRowLocking3._lockScanRow(Unknown
> Source)
>         at org.apache.derby.impl.store.access.btree.index.B2IRowLockingRR.lockScanRow(Unknown
> Source)
>         at org.apache.derby.impl.store.access.btree.BTreeForwardScan.fetchRows(Unknown
Source)
>         at org.apache.derby.impl.store.access.btree.BTreeScan.next(Unknown Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getDescriptorViaIndex(Unknown
> Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.locateSchemaRow(Unknown
Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.getSchemaDescriptor(Unknown
> Source)
>         at org.apache.derby.impl.sql.catalog.SYSTABLESRowFactory.buildDescriptor(Unknown
Source)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.hashAllTableDescriptorsByTableId(Unknown
> Source)

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