OA经常不能正常运行 紧急！！！！

服务运行日志 catalina.2015-03-17.log
警告: Parameters: Invalid chunk ignored.
2015-3-17 9:13:58 org.apache.tomcat.util.http.Parameters processParameters
警告: Parameters: Invalid chunk ignored.
2015-3-17 9:14:56 org.apache.coyote.http11.Http11BaseProtocol pause
信息: Pausing Coyote HTTP/1.1 on http-8183
2015-3-17 9:14:57 org.apache.catalina.core.StandardService stop
信息: Stopping service Catalina

localhost.2015-03-17.log
2015-3-17 9:04:04 org.apache.catalina.core.StandardHostValve status
警告: Exception Processing ErrorPage[errorCode=404, location=/error.do?method=httpError&code=404]
ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:331)
at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:295)
at org.apache.catalina.connector.Response.flushBuffer(Response.java:545)
at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:287)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:750)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)
at org.apache.coyote.http11.InternalOutputBuffer.flush(InternalOutputBuffer.java:305)
at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:995)
at org.apache.coyote.Response.action(Response.java:183)
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:326)
... 13 more
2015-3-17 9:14:29 org.apache.catalina.core.StandardHostValve status
警告: Exception Processing ErrorPage[errorCode=500, location=/error.do?method=httpError&code=500]
ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:331)
at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:295)
at org.apache.catalina.connector.Response.flushBuffer(Response.java:545)
at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:287)
at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:229)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:750)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)
at org.apache.coyote.http11.InternalOutputBuffer.flush(InternalOutputBuffer.java:305)
at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:995)
at org.apache.coyote.Response.action(Response.java:183)
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:326)
... 14 more