WAS配置mysql报连接超时

使用过程中出现这个问题。

The last packet successfully received from the server was 370,819 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.

com.ibm.websphere.ce.cm.StaleConnectionException: Communications link failure

The last packet successfully received from the server was 370,819 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.

        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:56)

        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:39)

        at java.lang.reflect.Constructor.newInstance(Constructor.java:527)

        at com.ibm.websphere.rsadapter.GenericDataStoreHelper.mapExceptionHelper(GenericDataStoreHelper.java:626)

        at com.ibm.websphere.rsadapter.GenericDataStoreHelper.mapException(GenericDataStoreHelper.java:685)

        at com.ibm.ws.rsadapter.AdapterUtil.mapException(AdapterUtil.java:2267)

        at com.ibm.ws.rsadapter.jdbc.WSJdbcUtil.mapException(WSJdbcUtil.java:1191)

        at com.ibm.ws.rsadapter.jdbc.WSJdbcConnection.setAutoCommit(WSJdbcConnection.java:3547)

        at com.icsc.dpms.de.sql.dejc301c.setAutoCommit(dejc301c.java:773)

        at com.icsc.dpms.de.dejc301.toGetConnection(dejc301.java:682)

        at com.icsc.dpms.de.dejc301.toTransaction(dejc301.java:630)

        at com.icsc.dpms.de.dejc301.getConnection(dejc301.java:241)

        at com.icsc.ums.util.umscDBConn.getConnection(umscDBConn.java:50)

        at com.icsc.ums.api.umscApi.sendSm(umscApi.java:52)

        at com.icsc.ums.api.umscApi.sendSm(umscApi.java:128)

        at com.icsc.sh.di.shjcLoadSHFMER03.sendMessage(shjcLoadSHFMER03.java:1267)

        at com.icsc.sh.di.shjcLoadSHFMER03.doSH56VONew(shjcLoadSHFMER03.java:782)

        at com.icsc.sh.di.shjcLoadSHFMER03.loadFMSH32(shjcLoadSHFMER03.java:223)

        at com.icsc.sh.di.shjcLoadSHFMER03.parseLogic(shjcLoadSHFMER03.java:181)

        at com.icsc.zwp.api.zwpcQueueRec02Handler.process(zwpcQueueRec02Handler.java:148)

        at com.icsc.zwp.api.zwpcQueueRec02Handler.receiveData(zwpcQueueRec02Handler.java:100)

        at com.icsc.sh.di.shjcLoadSHFMER03.xctl(shjcLoadSHFMER03.java:118)

        at sun.reflect.GeneratedMethodAccessor9202.invoke(Unknown Source)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)

        at java.lang.reflect.Method.invoke(Method.java:611)

        at bsh.Reflect.invokeMethod(Unknown Source)

        at bsh.Reflect.invokeObjectMethod(Unknown Source)

        at bsh.Name.invokeMethod(Unknown Source)

        at bsh.BSHMethodInvocation.eval(Unknown Source)

        at bsh.BSHPrimaryExpression.eval(Unknown Source)

        at bsh.BSHPrimaryExpression.eval(Unknown Source)

        at bsh.BSHBlock.evalBlock(Unknown Source)

        at bsh.BSHBlock.eval(Unknown Source)

        at bsh.BSHBlock.eval(Unknown Source)

        at bsh.BSHTryStatement.eval(Unknown Source)

        at bsh.BSHBlock.evalBlock(Unknown Source)

        at bsh.BSHBlock.eval(Unknown Source)

        at bsh.BSHBlock.eval(Unknown Source)

        at bsh.BSHTryStatement.eval(Unknown Source)

        at bsh.Interpreter.eval(Unknown Source)

        at bsh.Interpreter.eval(Unknown Source)

        at bsh.Interpreter.eval(Unknown Source)

        at org.rmi.client.BeanShellUtils.exec(BeanShellUtils.java:57)

        at org.rmi.client.InstanceWorker.execute(InstanceWorker.java:84)

        at sun.reflect.GeneratedMethodAccessor6427.invoke(Unknown Source)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)

        at java.lang.reflect.Method.invoke(Method.java:611)

        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:320)

        at sun.rmi.transport.Transport$1.run(Transport.java:171)

        at java.security.AccessController.doPrivileged(AccessController.java:365)

        at sun.rmi.transport.Transport.serviceCall(Transport.java:167)

        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:547)

        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:802)

        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:661)

        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)

        at java.lang.Thread.run(Thread.java:784)