java.net.SocketException: Broken pipe 错误原因

警告: Error sending end packetjava.net.SocketException: Broken pipe        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.jk.common.ChannelSocket.send(ChannelSocket.java:531)        at org.apache.jk.common.JkInputStream.endMessage(JkInputStream.java:121)        at org.apache.jk.core.MsgContext.action(MsgContext.java:301)        at org.apache.coyote.Response.action(Response.java:183)        at org.apache.coyote.Response.finish(Response.java:305)        at org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:276)        at org.apache.catalina.connector.Response.finishResponse(Response.java:486)        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:287)        at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)        at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)        at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)        at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)        at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)        at java.lang.Thread.run(Thread.java:619)

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环境是Linux+tomcat，最近出现了这样的问题，之前没有遇到过。偶尔出现，自己在线上环境自测使用都没有遇到，在网上找了一下，搜集了一些资料，备用：

一位网友的解释如下：

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再往下找到
org.apache.catalina.startup.Bootstrap "$@" start?
加上2>/dev/null，错误信息输出到空设备。

另一种做法就是把conf/logging.properties文件里的FINE,INFO全替换成SEVERE，只输出错误级别的信息。 ?