[jboss-user] Broken Pipe Exception

Hello. Looking at server.log, I found you vary Exception of Brokem pipe, with this stack of execution is: ERROR [org.jboss.portal.common.util.Tools] Error while closing putstream ClientAbortException: java.net.SocketException: Broken pipe at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:403) at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:314) at org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:278) at org.apache.catalina.connector.CoyoteOutputStream.close(CoyoteOutputStream.java:103) at org.jboss.portal.common.util.Tools.safeClose(Tools.java:129) at org.jboss.portal.core.cms.CMSUtils.send(CMSUtils.java:60) OR: 2006-11-03 11:23:43,890 ERROR [org.jboss.portal.core.cms.command.StreamContentCommand] Cannot stream file to client /fecomerciopr/banners/bnr_sesc01.swf ClientAbortException: java.net.SocketException: Broken pipe at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366) at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:403) at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:323) at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392) at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381) at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:88) at org.jboss.portal.common.util.Tools.copy(Tools.java:240) somebody has ideia what it can cause this Exception? My Jboss Portal Version is: jboss-portal-2.2.1RC3-bundled. Tks Eros