Pool thread stack traces

Pending Tasks:
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@1873240
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@f4308a
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@19ecf2f
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@1341c9e
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@42fe01
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@31faf7
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@1539743
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@efb063
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask@253f58
Pool thread stack traces:
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#2,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:129)
com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)
com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2329)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2774)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2763)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3299)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1837)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1961)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2537)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2466)
com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1383)
com.mysql.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:4815)
com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:50)
com.mysql.jdbc.DatabaseMetaData.getTables(DatabaseMetaData.java:4793)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62)
com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0,5,main]
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.read(SocketInputStream.java:129)
com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113)
com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2329)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2774)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2763)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3299)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1837)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1961)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2537)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2466)
com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1383)
com.mysql.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:4815)
com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:50)
com.mysql.jdbc.DatabaseMetaData.getTables(DatabaseMetaData.java:4793)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62)
com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
Thread[com.mchange.v2.async.ThreadPoolAsynchronousRunner$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:113)
com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188)
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2329)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2774)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2763)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3299)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1837)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1961)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2537)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2466)
com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1383)
com.mysql.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:4815)
com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:50)
com.mysql.jdbc.DatabaseMetaData.getTables(DatabaseMetaData.java:4793)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnectionNoQuery(DefaultConnectionTester.java:185)
com.mchange.v2.c3p0.impl.DefaultConnectionTester.activeCheckConnection(DefaultConnectionTester.java:62)
com.mchange.v2.c3p0.AbstractConnectionTester.activeCheckConnection(AbstractConnectionTester.java:67)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.testPooledConnection(C3P0PooledConnectionPool.java:368)
com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.refurbishIdleResource(C3P0PooledConnectionPool.java:310)
com.mchange.v2.resourcepool.BasicResourcePool$AsyncTestIdleResourceTask.run(BasicResourcePool.java:1999)
com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)

在 eclipse install jar 包时报错，这个项目早上还好好的，只是换了参数打算发布到生产，之前也没有遇到过这样的错误，网上查看了一些资料感觉都不是我的问题所在，问了同事后说是内存溢出的问题。

先 maven clean, 然后修改了 jdk 的参数，把客户端模式换成服务器端模式：-server  -Xmx13072m。再install就可以了。