com.mysql.jdbc.出错_mysql-jdbc错误

壤驷阳波

2023-12-01

2016-10-05 22:16:36[WARN]-[Thread: Timer-4]-[com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector.run()]: com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@6a14bef3 -- APPARENT DEADLOCK!!! Creating emergency threads for unassigned pending tasks!

Managed Threads:3Active Threads:3Active Tasks:

com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@3d351172 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1)

com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@670c72c2 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2)

com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@62425368 (com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0)

Pending Tasks:

com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@7072033d

Pool thread stack traces:

Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#1,5,main]

java.net.SocketInputStream.socketRead0(Native Method)

java.net.SocketInputStream.read(SocketInputStream.java:129)

com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:114)

com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:161)

com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:189)

com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3036)

com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:624)

com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1110)

com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2395)

com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2428)

com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2213)

com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:797)

com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)

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:411)

com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:389)

com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)

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]