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An error occurred while parsing parameters. {0} java.io.IOException-WAS7

 
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Hi All,

Im getting the below mentioned error in SystemOut.log frequently, after this error the application stops responding. What could be the root cause. please find the log info....

[3/7/11 17:00:20:741 IST] 00000224 srt E com.ibm.ws.webcontainer.srt.SRTServletRequest parseParameters SRVE0133E: An error occurred while parsing parameters. {0}
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcher.read0(Native Method)
at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:21)
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:233)
at sun.nio.ch.IOUtil.read(IOUtil.java:200)
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:236)
at com.ibm.ws.tcp.channel.impl.NioSocketIOChannel.read(NioSocketIOChannel.java:241)
at com.ibm.ws.tcp.channel.impl.NioSocketIOChannel.attemptReadFromSocketUsingNIO(NioSocketIOChannel.java:140)
at com.ibm.ws.tcp.channel.impl.SocketIOChannel.attemptReadFromSocket(SocketIOChannel.java:631)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:596)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.processWork(WorkQueueManager.java:341)
at com.ibm.ws.tcp.channel.impl.NioTCPReadRequestContextImpl.processAsyncReadRequest(NioTCPReadRequestContextImpl.java:139)
at com.ibm.ws.tcp.channel.impl.TCPReadRequestContextImpl.readInternal(TCPReadRequestContextImpl.java:169)
at com.ibm.ws.tcp.channel.impl.NioTCPReadRequestContextImpl.processSyncReadRequest(NioTCPReadRequestContextImpl.java:68)
at com.ibm.ws.tcp.channel.impl.TCPReadRequestContextImpl.read(TCPReadRequestContextImpl.java:111)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.fillABuffer(HttpServiceContextImpl.java:4139)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.readSingleBlock(HttpServiceContextImpl.java:3371)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.readBodyBuffer(HttpServiceContextImpl.java:3477)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundServiceContextImpl.getRequestBodyBuffer(HttpInboundServiceContextImpl


Thanks,
selva
 
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Selva,

Are you able to find the solution for this problem? This issue is hammering our JVMs and causing outages.
 
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IMHO this may be a network problem. If this is the case, following may help.

If your server is becoming unresponsive after seeing this error frequently, try setting ConnectionIOTimeout of your HTTP transport to a lower value (for example 1 sec instead of default 5 seconds). You will still see these exceptions for bad requests but server shall stay more responsive, as your webcontainer threads will be blocked for a shorter duration before timing out on a bad request. If you don't have responsiveness issues but just irritated by this exception every once in a while, you may increase this value to give more slack to cover for network problems.
 
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