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From Geoff hendrey <geoff_hend...@yahoo.com>
Subject StackOverflowException caused by derby.locks.deadlockTrace
Date Sun, 18 May 2008 03:49:43 GMT
Another relevant piece of information: The StackOverflowException (as described in my previous
email), happens only when I try to use derby.locks.deadlockTrace=true to obtain the deadlock
trace.

If I set derby.locks.deadlockTrace to false, I will get the expected lock timeout:
2008-05-18 03:46:53.421 GMT Thread[btpool0-4,5,main] Cleanup action starting
ERROR 40XL1: A lock could not be obtained within the time requested
        at org.apache.derby.iapi.error.StandardException.newException(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.conn.GenericLanguageConnectionContext.initDefaultSchemaDescriptor(Unknown
Source)
        at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.initialize(Unknown
Source)
        at org.apache.derby.impl.db.BasicDatabase.setupConnection(Unknown Source)
        at org.apache.derby.impl.jdbc.TransactionResourceImpl.startTransaction(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection30.<init>(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
        at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
        at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
        at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
        at java.sql.DriverManager.getConnection(DriverManager.java:548)
        at java.sql.DriverManager.getConnection(DriverManager.java:179)
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