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APPARENT DEADLOCK 0.9.1.2
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APPARENT DEADLOCK 0.9.1.2
by Michael Young-10
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I could use some help debugging this deadlock problem. Seems like c3p0
is having trouble returning connections to the pool. Shortly after this happens we get OOM exceptions. 11:45:01,498 WARN [ThreadPoolAsynchronousRunner:608] com.mchange.v2.async.ThreadPoolAsynchronousRunner $DeadlockDetector@6534d952 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks! 11:45:22,129 WARN [ThreadPoolAsynchronousRunner:624] com.mchange.v2.async.ThreadPoolAsynchronousRunner $DeadlockDetector@6534d952 -- APPARENT DEADLOCK!!! Complete Status: Managed Threads: 10 Active Threads: 7 Active Tasks: com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@6fab154c (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2) com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@490369da (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#4) com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@7f1a8ca8 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#7) com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@2808aac9 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1) com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@510486a7 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#9) com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@24677f (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0) com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@5606c2eb (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#6) Pending Tasks: com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@55e6fe6c Pool thread stack traces: Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #2,5,main] com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1229) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #8,5,main] java.lang.Object.wait(Native Method) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:534) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #7,5,main] com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1229) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #4,5,main] com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1229) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #9,5,main] com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1229) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #1,5,main] com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1229) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #0,5,main] com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1229) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:547) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #5,5,main] java.lang.Object.wait(Native Method) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:534) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #3,5,main] java.lang.Object.wait(Native Method) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:534) Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread- #6,5,main] com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask.run(BasicResourcePool.java:1229) com.mchange.v2.async.ThreadPoolAsynchronousRunner $PoolThread.run(ThreadPoolAsynchronousRunner.java:547) 11:46:37,554 WARN [ThreadPoolAsynchronousRunner:416] Task com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@6fab154c (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). 11:46:37,555 WARN [ThreadPoolAsynchronousRunner:416] Task com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@7f1a8ca8 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). 11:46:37,555 WARN [ThreadPoolAsynchronousRunner:416] Task com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@2808aac9 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). 11:46:50,449 WARN [ThreadPoolAsynchronousRunner:416] Task com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@510486a7 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). 11:46:50,449 WARN [ThreadPoolAsynchronousRunner:416] Task com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@24677f (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). 11:46:50,449 WARN [ThreadPoolAsynchronousRunner:416] Task com.mchange.v2.resourcepool.BasicResourcePool $1RefurbishCheckinResourceTask@5606c2eb (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). - Mike ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ c3p0-users mailing list c3p0-users@... https://lists.sourceforge.net/lists/listinfo/c3p0-users |
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