WAS7.0 系统慢，报SRVE0133E: 解析参数时出错

[maqingqing123]

这个问题出现有半年了，一直没有找到问题所在。请高数指教，非常感谢！！

目前维护的部署在WAS7.0的系统会不定时出现系统慢的问题，系统慢时服务表现为CPU持续居高不下，重启WAS才能恢复正常。

出现以上问题是WAS的日志报如下错误：
[15-1-14 10:22:49:596 CST] 0000032a srt E com.ibm.ws.webcontainer.srt.SRTServletRequest parseParameters SRVE0133E: 解析参数时出错。{0}
java.io.IOException: Async IO operation failed (1), reason: RC: 10054 An existing connection was forcibly closed by the remote host.

at com.ibm.io.async.AsyncLibrary$IOExceptionCache.<init>(AsyncLibrary.java:891)
at com.ibm.io.async.AsyncLibrary$IOExceptionCache.get(AsyncLibrary.java:904)
at com.ibm.io.async.AsyncLibrary.getIOException(AsyncLibrary.java:918)
at com.ibm.io.async.AbstractAsyncChannel.multiIO(AbstractAsyncChannel.java:473)
at com.ibm.io.async.AsyncSocketChannelHelper.write(AsyncSocketChannelHelper.java:478)
at com.ibm.ws.tcp.channel.impl.AioSocketIOChannel.writeAIOSync(AioSocketIOChannel.java:353)
at com.ibm.ws.tcp.channel.impl.AioTCPWriteRequestContextImpl.processSyncWriteRequest(AioTCPWriteRequestContextImpl.java:123)
at com.ibm.ws.tcp.channel.impl.TCPWriteRequestContextImpl.write(TCPWriteRequestContextImpl.java:122)
at com.ibm.ws.ssl.channel.impl.SSLUtils.flushCloseDown(SSLUtils.java:171)
at com.ibm.ws.ssl.channel.impl.SSLUtils.shutDownSSLEngine(SSLUtils.java:99)
at com.ibm.ws.ssl.channel.impl.SSLConnectionLink.cleanup(SSLConnectionLink.java:206)
at com.ibm.ws.ssl.channel.impl.SSLConnectionLink.close(SSLConnectionLink.java:163)
at com.ibm.ws.ssl.channel.impl.SSLConnectionLink$MyHandshakeCompletedCallback.error(SSLConnectionLink.java:449)
at com.ibm.ws.ssl.channel.impl.SSLHandshakeIOCallback.error(SSLHandshakeIOCallback.java:105)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:208)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AbstractAsyncFuture.completed(AbstractAsyncFuture.java:170)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:211)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:766)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:896)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1527)

这个问题出现有半年了，一直没有找到问题所在。