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What Is Deadlock?


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Hello, i have sometimes this error, and its very intreasting what he do...

 

 

WARN  com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@545a5172 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
WARN  com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@545a5172 -- APPARENT DEADLOCK!!! Complete Status:
    Managed Threads: 3
    Active Threads: 0
    Active Tasks:
    Pending Tasks:
        com.mchange.v2.c3p0.stmt.GooGooStatementCache$1StmtAcquireTask@2003e30b
Pool thread stack traces:
    Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main]
        java.lang.Object.wait(Native Method)
        com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534)
    Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main]
        java.lang.Object.wait(Native Method)
        com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534)
    Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main]
        java.lang.Object.wait(Native Method)
        com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:534)

 

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