serveral erros in app log

[RRamautar]

Hi I receive a lot of the next errors
Can some one help me, with this?

[2007-07-10 13:44:18,981|FATAL|http-8081-Processor13 |com.documentum.fc.common.DfLogger|fatal|45 ]
ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error
at org.apache.coyote.tomcat5.OutputBuffer.realWriteBytes(OutputBuffer.java:373)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:398)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:318)
at org.apache.coyote.tomcat5.OutputBuffer.writeBytes(OutputBuffer.java:401)
at org.apache.coyote.tomcat5.OutputBuffer.write(OutputBuffer.java:388)
at org.apache.coyote.tomcat5.CoyoteOutputStream.write(CoyoteOutputStream.java:76)
at java.io.DataOutputStream.write(DataOutputStream.java:85)
at java.io.FilterOutputStream.write(FilterOutputStream.java:80)
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:360)
at java.io.DataOutputStream.writeUTF(DataOutputStream.java:300)
at com.documentum.ucf.common.transport.spi.StreamHelper.writeString(StreamHelper.java:24)
at com.documentum.ucf.server.transport.impl.ServerSession.sendHeartbeat(ServerSession.java:427)
at com.documentum.ucf.server.transport.impl.ServerSession.waitReleaseStreams(ServerSession.java:670)
at com.documentum.ucf.server.transport.impl.InitGAIRConnectorServlet.doPost(InitGAIRConnectorServlet.java:73)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.documentum.web.servlet.CompressionFilter.doFilter(CompressionFilter.java:113)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.documentum.web.env.WDKController.processRequest(WDKController.java:94)
at com.documentum.web.env.WDKController.doFilter(WDKController.java:82)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)