app server 日志中出错

在我创建的Application Server的SystemOut.log中，能够看到以下错误：
[3/29/10 11:11:00:013 EST] 00000041 SystemOut     O - publishing 0 audit event(s).
[3/29/10 11:11:00:213 EST] 00000054 SRTServletReq E   SRVE0133E: An error occurred while parsing parameters. java.net.SocketTimeoutException: Async operation timed out
        at com.ibm.ws.tcp.channel.impl.AioTCPReadRequestContextImpl.processSyncReadRequest(AioTCPReadRequestContextImpl.java:157)
        at com.ibm.ws.tcp.channel.impl.TCPReadRequestContextImpl.read(TCPReadRequestContextImpl.java:109)
        at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext.read(SSLReadServiceContext.java:226)
        at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.fillABuffer(HttpServiceContextImpl.java:4127)
        at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.readSingleBlock(HttpServiceContextImpl.java:3371)
        at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.readBodyBuffer(HttpServiceContextImpl.java:3476)
        at com.ibm.ws.http.channel.inbound.impl.HttpInboundServiceContextImpl.getRequestBodyBuffer(HttpInboundServiceContextImpl.java:1604)
        at com.ibm.ws.webcontainer.channel.WCCByteBufferInputStream.bufferIsGood(WCCByteBufferInputStream.java:131)
        at com.ibm.ws.webcontainer.channel.WCCByteBufferInputStream.read(WCCByteBufferInputStream.java:93)
        at com.ibm.ws.webcontainer.srt.http.HttpInputStream.read(HttpInputStream.java:294)
        at com.ibm.ws.webcontainer.servlet.RequestUtils.parsePostData(RequestUtils.java:297)
        at com.ibm.ws.webcontainer.srt.SRTServletRequest.parseParameters(SRTServletRequest.java:1642)
        at com.ibm.ws.webcontainer.srt.SRTServletRequest.getParameterValues(SRTServletRequest.java:1293)
        at javax.servlet.ServletRequestWrapper.getParameterValues(ServletRequestWrapper.java:234)
        at org.acegisecurity.wrapper.SavedRequestAwareWrapper.getParameter(SavedRequestAwareWrapper.java:325)
        at org.apache.myfaces.context.servlet.RequestParameterMap.getAttribute(RequestParameterMap.java:39)

Websphere 版本是ND6.1.0.23
请指教。 谢谢