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c3p0 apparent deadlock / creating emergency threads

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Code:
2005-09-06@06:29:12.383 WARN [Timer-0] - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@130b13c -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2005-09-06@06:29:12.383 WARN [Timer-0] - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@130b13c -- APPARENT DEADLOCK!!! Complete Status: [num_managed_threads: 3, num_active: 3; activeTasks: com.mchange.v2.resourcepool.BasicResourcePool$5@98a2e8 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1), com.mchange.v2.resourcepool.BasicResourcePool$5@ef4331 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0), com.mchange.v2.resourcepool.BasicResourcePool$5@244b92 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2); pendingTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@dd9094, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@3f03c3, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@11033db, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@bc80d8, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@1af24e2, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@19e900a, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@102b5ab, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@e51c3b, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@1a06d20, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@15c82f9, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@9ac6da, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@17547dd, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@c10304, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@1ad3677, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@d2eead, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@33ab8f, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@4473dc, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@12800a, com.mchange.v2.c3p0.stmt.GooGooStatementCache$2@9420f9]
My hibernate.properties c3p0 lines: 
hibernate.c3p0.min_size=2 
hibernate.c3p0.max_size=10 
hibernate.c3p0.timeout=300 
hibernate.c3p0.max_statements=100 
hibernate.c3p0.idle_test_period=1800 
hibernate.c3p0.acquire_increment=2 

解决: Change "max_statements" to 0 

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