Deadlock on upgrade task 1825

2010-04-15 12:52:18,471 INFO [UpgradeTask:pool-4-thread-1] [UpgradeTask1825MovingTestsAndArtifactLinksToDB] Used 867MB of 1048MB (181MB still available)
2010-04-15 12:52:18,471 INFO [UpgradeTask:pool-4-thread-1] [UpgradeTask1825MovingTestsAndArtifactLinksToDB] Result: MF-FRAMEWORK-101 done 198
2010-04-15 12:55:47,141 WARN [Timer-1] [ThreadPoolAsynchronousRunner] com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@6d7813ac – APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2010-04-15 12:55:47,881 WARN [Timer-1] [ThreadPoolAsynchronousRunner] com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@6d7813ac – APPARENT DEADLOCK!!! Complete Status:
Managed Threads: 3
Active Threads: 3
Active Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@29708955 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@1b4840b4 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@248ff76a (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)
Pending Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@67bc62e6
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@1011f3f
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@70aa619c
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@41ee828d
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@11bd18cc
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@15a7022d
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@77fe376
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@5d2e5bd2
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@e8e67c9
Pool thread stack traces:
Threadcom.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main
org.hsqldb.Session.execute(Unknown Source)
org.hsqldb.jdbc.jdbcStatement.fetchResult(Unknown Source)
org.hsqldb.jdbc.jdbcStatement.executeQuery(Unknown Source)
org.hsqldb.jdbc.jdbcDatabaseMetaData.execute(Unknown Source)
org.hsqldb.jdbc.jdbcDatabaseMetaData.getTables(Unknown Source)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62)
com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Threadcom.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main
java.io.FileOutputStream.writeBytes(Native Method)
java.io.FileOutputStream.write(FileOutputStream.java:260)
java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)
org.hsqldb.scriptio.ScriptWriterText.writeRow(Unknown Source)
org.hsqldb.scriptio.ScriptWriterBase.writeExistingData(Unknown Source)
org.hsqldb.scriptio.ScriptWriterBase.writeAll(Unknown Source)
org.hsqldb.persist.Log.writeScript(Unknown Source)
org.hsqldb.persist.Log.checkpoint(Unknown Source)
org.hsqldb.persist.Logger.checkpoint(Unknown Source)
org.hsqldb.Session.performPostExecute(Unknown Source)
org.hsqldb.Session.execute(Unknown Source)
org.hsqldb.jdbc.jdbcStatement.fetchResult(Unknown Source)
org.hsqldb.jdbc.jdbcStatement.executeQuery(Unknown Source)
org.hsqldb.jdbc.jdbcDatabaseMetaData.execute(Unknown Source)
org.hsqldb.jdbc.jdbcDatabaseMetaData.getTables(Unknown Source)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62)
com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Threadcom.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main
org.hsqldb.Session.execute(Unknown Source)
org.hsqldb.jdbc.jdbcStatement.fetchResult(Unknown Source)
org.hsqldb.jdbc.jdbcStatement.executeQuery(Unknown Source)
org.hsqldb.jdbc.jdbcDatabaseMetaData.execute(Unknown Source)
org.hsqldb.jdbc.jdbcDatabaseMetaData.getTables(Unknown Source)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62)
com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)