com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@2929e5e9 -- APPARENT DEADLOCK!!!

本文记录了一次MySQL数据库连接失败的问题及解决过程。错误日志显示线程池出现死锁现象,进一步检查发现所有活动线程都在尝试获取数据库连接资源。最终确定原因是未将服务器IP加入白名单导致无法建立连接。

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MySQL数据库链接报错,上日志

2016-07-21 11:55:42,380 WARN [com.mchange.v2.async.ThreadPoolAsynchronousRunner]:608 - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@2929e5e9 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!
2016-07-21 11:55:42,381 WARN [com.mchange.v2.async.ThreadPoolAsynchronousRunner]:624 - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@2929e5e9 -- APPARENT DEADLOCK!!! Complete Status: 
Managed Threads: 3
Active Threads: 3
Active Tasks: 
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@4b85c17 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@63a5ec6c (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@2244d990 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)
Pending Tasks: 
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@56278e83
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@3efd66a5
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@6e5dfaf1
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@5c061cd2
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@154e4e31
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@47ef7de4
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@3c3228a1
Pool thread stack traces:
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main]
java.net.PlainSocketImpl.socketConnect(Native Method)
java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
java.net.Socket.connect(Socket.java:529)
java.net.Socket.connect(Socket.java:478)
java.net.Socket.<init>(Socket.java:375)
java.net.Socket.<init>(Socket.java:218)
com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256)
com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:293)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2181)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:787)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:357)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main]
java.net.PlainSocketImpl.socketConnect(Native Method)
java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
java.net.Socket.connect(Socket.java:529)
java.net.Socket.connect(Socket.java:478)
java.net.Socket.<init>(Socket.java:375)
java.net.Socket.<init>(Socket.java:218)
com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256)
com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:293)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2181)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:787)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:357)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main]
java.net.PlainSocketImpl.socketConnect(Native Method)
java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
java.net.Socket.connect(Socket.java:529)
java.net.Socket.connect(Socket.java:478)
java.net.Socket.<init>(Socket.java:375)
java.net.Socket.<init>(Socket.java:218)
com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256)
com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:293)
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2181)
com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:787)
com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:357)
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:137)
com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)

原因:IP没有申请白名单,申请下访问权限即可!汗!

INFO - Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@309db823 [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@234142af [ acquireIncrement -> 1, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 234142af, idleConnectionTestPeriod -> 0, initialPoolSize -> 1, maxIdleTime -> 120, maxPoolSize -> 100, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 1, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@7a8d0ae3 [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 7a8d0ae3, jdbcUrl -> jdbc:sqlserver://172.168.102.56:1432;databaseName=RTGSLiquidity, properties -> {useUnicode=true, user=******, password=******, characterEncoding=UTF-8} ], preferredTestQuery -> null, propertyCycle -> 300, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, usesTraditionalReflectiveProxies -> false ], factoryClassLocation -> null, identityToken -> 309db823, numHelperThreads -> 3 ] WARN - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@556663b9 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks! WARN - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@556663b9 -- APPARENT DEADLOCK!!! Complete Status: [num_managed_threads: 3, num_active: 3; activeTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@5f9e08c9 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a9c9d5e (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@7c815e1f (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1); pendingTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@2b4ce455] WARN - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@556663b9 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks! WARN - com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@556663b9 -- APPARENT DEADLOCK!!! Complete Status: [num_managed_threads: 3, num_active: 3; activeTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@171e8162 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@3e0ce8dc (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2), com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1332b0f9 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1); pendingTasks: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1f308679] WARN - Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@1a9c9d5e (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). WARN - Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@5f9e08c9 (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt(). WARN - Task com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@7c815e1f (in deadlocked PoolThread) failed to complete in maximum time 60000ms. Trying interrupt() 这是一段新日志,继续帮我分析
最新发布
03-18
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