页面展示是正常的，但是记录在日志里的错误不断，有人知道怎么解决吗？？十分感谢！
日志如下
[09-7-8 15:07:06:930 CDT] 0000002d SystemOut     O start create tree
[09-7-8 15:07:26:107 CDT] 0000002c WebApp        E   [Servlet Error]-[FriendlyURLPublicServlet]: com.ibm.wsspi.webcontainer.ClosedConnectionException: OutputStream encountered error during write
at com.ibm.ws.webcontainer.channel.WCCByteBufferOutputStream.write(WCCByteBufferOutputStream.java:114)
at com.ibm.ws.webcontainer.srt.SRTOutputStream.write(SRTOutputStream.java:96)
at com.ibm.wsspi.webcontainer.util.BufferedServletOutputStream.writeOut(BufferedServletOutputStream.java:467)
at com.ibm.wsspi.webcontainer.util.BufferedServletOutputStream.write(BufferedServletOutputStream.java:305)
at java.io.BufferedOutputStream.write(BufferedOutputStream.java:128)
at com.liferay.util.servlet.ServletResponseUtil.write(ServletResponseUtil.java:166)
at com.liferay.portal.servlet.filters.strip.StripFilter.doFilter(StripFilter.java:248)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:98)
at com.liferay.portal.servlet.filters.compression.CompressionFilter.doFilter(CompressionFilter.java:120)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:98)
at com.liferay.portal.servlet.filters.layoutcache.LayoutCacheFilter.doFilter(LayoutCacheFilter.java:144)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:98)
at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.doFilter(VirtualHostFilter.java:173)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:832)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:679)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:566)
at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:90)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:748)
at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1466)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:119)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:267)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
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.AsyncFuture.completed(AsyncFuture.java:136)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:195)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:743)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:873)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473)
Caused by: java.io.IOException: Async IO operation failed, reason: RC: 32  没有进程来读取写入管道的数据。
at com.ibm.io.async.AbstractAsyncChannel.multiIO(AbstractAsyncChannel.java:474)
at com.ibm.io.async.AsyncSocketChannelHelper.write(AsyncSocketChannelHelper.java:478)
at com.ibm.io.async.AsyncSocketChannelHelper.write(AsyncSocketChannelHelper.java:396)
at com.ibm.ws.tcp.channel.impl.AioSocketIOChannel.writeAIO(AioSocketIOChannel.java:281)
at com.ibm.ws.tcp.channel.impl.AioTCPWriteRequestContextImpl.processAsyncWriteRequest(AioTCPWriteRequestContextImpl.java:49)
at com.ibm.ws.tcp.channel.impl.TCPWriteRequestContextImpl.writeInternal(TCPWriteRequestContextImpl.java:166)
at com.ibm.ws.tcp.channel.impl.TCPWriteRequestContextImpl.write(TCPWriteRequestContextImpl.java:137)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.asynchWrite(HttpServiceContextImpl.java:2379)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.sendOutgoing(HttpServiceContextImpl.java:2168)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundServiceContextImpl.sendResponseBody(HttpInboundServiceContextImpl.java:776)
at com.ibm.ws.webcontainer.channel.WCChannelLink.writeBufferAsynch(WCChannelLink.java:339)
at com.ibm.ws.webcontainer.channel.WCChannelLink.writeBufferResponse(WCChannelLink.java:319)
at com.ibm.ws.webcontainer.channel.WCChannelLink.writeBuffer(WCChannelLink.java:271)
at com.ibm.ws.webcontainer.channel.WCCByteBufferOutputStream.flushWriteBuffer(WCCByteBufferOutputStream.java:418)
at com.ibm.ws.webcontainer.channel.WCCByteBufferOutputStream.checkWriteArray(WCCByteBufferOutputStream.java:388)
at com.ibm.ws.webcontainer.channel.WCCByteBufferOutputStream.write(WCCByteBufferOutputStream.java:119)
... 42 more