tomcat 运行一段时间挂掉，求解决..............


2011-8-2 0:05:23 org.apache.catalina.core.StandardHostValve status
警告: Exception Processing ErrorPage[errorCode=500, location=/system/pages/500.jsp]
ClientAbortException:  java.net.SocketException: Connection reset by peer: socket write error
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:327)
at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:293)
at org.apache.catalina.connector.Response.flushBuffer(Response.java:537)
at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:286)
at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:228)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:134)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:746)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433)
at org.apache.coyote.http11.InternalOutputBuffer.flush(InternalOutputBuffer.java:304)
at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:991)
at org.apache.coyote.Response.action(Response.java:182)
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:322)
... 14 more
2011-8-2 0:33:47 org.apache.catalina.connector.CoyoteAdapter service
严重: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: Java heap space
2011-8-2 0:35:43 org.apache.catalina.connector.CoyoteAdapter service
严重: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: Java heap space
2011-8-2 1:18:56 org.apache.catalina.connector.CoyoteAdapter service
严重: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: Java heap space
2011-8-2 1:21:50 org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler processConnection
严重: Error reading request, ignored
java.lang.OutOfMemoryError: Java heap space
2011-8-2 1:22:01 org.apache.catalina.connector.CoyoteAdapter service
严重: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: Java heap space
2011-8-2 1:22:22 org.apache.coyote.http11.Http11Processor process
严重: Error processing request
java.lang.OutOfMemoryError: Java heap space
2011-8-2 1:23:56 org.apache.catalina.connector.CoyoteAdapter service
严重: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: Java heap space
2011-8-2 1:24:25 org.apache.catalina.connector.CoyoteAdapter service
严重: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: Java heap space
2011-8-2 1:26:32 org.apache.catalina.connector.CoyoteAdapter service
严重: An exception or error occurred in the container during the request processing
java.lang.OutOfMemoryError: Java heap space