2017-09-26 11:17:53[ERROR]-[com.jfinal.kit.LogKit.error()]:java.io.IOException: Broken pipe
org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:396)
	at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426)
	at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:345)
	at org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:298)
	at org.apache.catalina.connector.CoyoteOutputStream.close(CoyoteOutputStream.java:151)
	at com.jfinal.render.FileRender.normalRender(FileRender.java:186)
	at com.jfinal.render.FileRender.render(FileRender.java:110)
	at com.jfinal.core.ActionHandler.handle(ActionHandler.java:99)
	at com.jfinal.ext.handler.ContextPathHandler.handle(ContextPathHandler.java:48)
	at com.jfinal.core.JFinalFilter.doFilter(JFinalFilter.java:73)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1100)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Broken pipe
	at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
	at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
	at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
	at sun.nio.ch.IOUtil.write(IOUtil.java:65)
	at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471)
	at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:124)
	at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
	at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:172)
	at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:139)
	at org.apache.coyote.http11.InternalNioOutputBuffer.flushBuffer(InternalNioOutputBuffer.java:244)
	at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:189)
	at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41)
	at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:320)
	at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:84)
	at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:256)
	at org.apache.coyote.Response.doWrite(Response.java:491)
	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:391)
	... 27 more