Compression Filter Issue

Hello,

We are developping a WebFaced app through WDSC 5.1.2 Advanced Edition. 
Everything was working great. But since a feew days, we have a compression 
filter error reported on the console.
Any ideas?


[30/03/05 17:12:25:922 CEST] 79d76890 WebGroup      E SRVE0026E: [Erreur de 
servlet]-[Filter [CompressionFilter]: filter is unavailable.]: 
java.net.SocketException: Connection reset by peer: socket write error
        at java.net.SocketOutputStream.socketWrite0(Native Method)
        at 
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java(Compiled Code))
        at java.net.SocketOutputStream.write(SocketOutputStream.java(Compiled 
Code))
        at com.ibm.ws.io.Stream.write(Stream.java:26)
        at com.ibm.ws.io.WriteStream.flushMyBuf(WriteStream.java:145)
        at com.ibm.ws.io.WriteStream.flush(WriteStream.java:137)
        at com.ibm.ws.http.ResponseStream.flush(ResponseStream.java:303)
        at com.ibm.ws.io.WriteStream.flush(WriteStream.java:139)
        at 
com.ibm.ws.webcontainer.http.HttpConnection.flush(HttpConnection.java:379)
        at 
com.ibm.ws.webcontainer.srp.SRPConnection.flush(SRPConnection.java:242)
        at 
com.ibm.ws.webcontainer.srt.SRTOutputStream.flush(SRTOutputStream.java:46)
        at 
com.ibm.ws.webcontainer.srt.BufferedServletOutputStream.flushBytes(BufferedServletOutputStream.java:361)
        at 
com.ibm.ws.webcontainer.srt.BufferedServletOutputStream.write(BufferedServletOutputStream.java:307)
        at java.io.ByteArrayOutputStream.writeTo(ByteArrayOutputStream.java:129)
        at 
com.ibm.etools.iseries.webfacing.runtime.filters.CompressionFilter.doFilter(Unknown
 Source)
        at 
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:132)
        at 
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:71)
        at 
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:974)
        at 
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:564)
        at 
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:200)
        at 
com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:119)
        at 
com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:276)
        at 
com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71)
        at 
com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:116)
        at 
com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:186)
        at 
com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:334)
        at 
com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56)
        at 
com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:618)
        at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:443)
        at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:672)