tomcat  java.io.IOException: 断开的管道

一、说明
采用java开发，springmvc框架，部署到tomcat下，1500台机器不间断请求，经常tomcat会报如下错误：
org.apache.catalina.connector.ClientAbortException: java.io.IOException: Connection reset by peer
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.
at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.
at org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.
at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.
at sun.nio.cs.StreamEncoder.flush(StreamEncoder.
Caused by: java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.
at sun.nio.ch.IOUtil.write(IOUtil.
org.apache.catalina.connector.ClientAbortException: java.io.IOException: 断开的管道
at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.
at org.apache.catalina.connector.OutputBuffer.flush(Out