Tomcat抛出异常:ClientAbortException: java.net.SocketException: Connection

在做一个小网站的时候,写了一个通过servlet实现文件下载功能的页面。当我点击超级练级,弹出下载对话框,点击保存正常下载,不会出现任何问题,当我我点击取消,服务器端就出现如下提示:

ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:348)
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 com.lab.servlet.FileDownload.doGet(FileDownload.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
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.tomcat.util.buf.ByteChunk.append(ByteChunk.java:348)
at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:769)
at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:125)
at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:579)
at org.apache.coyote.Response.doWrite(Response.java:559)
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:361)
... 22 more

说明:

网上搜了一下,大致出现问题的原因如下:

1、这个问题一般是客户端在连接还没有完全建立的时候就取消连接,比如用户按了浏览器上面的“停止”按钮,一般来说没有什么问题。但是如果频繁出现,就表示很多客户端连接到Apache服务器的响应时间太长了,可能是网络的问题或者服务器性能问题 可能你的网络连接存在一些问题,你的数据传输的时候,可能由于时间等待的太久,但是server段设置的连接检验时间限制一定,那么就可能出现这种情况的! 
2、ClientAbortException: java.net.SocketException: Connection reset by peer: socket write error的原因是由于处理http连接时,正在输出内容时,用户关闭了IE,会出现一个"ClientAbortException",属于I/O处理中出现的一个异常,应用服务器应该会捕捉。

3、应该是线程被占用的太多了 无法控制了 
我想可能会是:数据库库连接达到极限,.应用服务器 最大线程并发数 达到极限,内存耗尽。

目前没有找到好的解决办法。。。

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