IOException: Broken Pipe

Hi
In the log, there are errors like “java.io.IOException: Broken Pipe”. Does anyone know anything about it?

Thanks in advance.

Example:

2018-03-26 14:21:08,708 [http://...pge.rs.gov.br/wiki/webjars/wiki%3Axwiki/jquery/1.11.3/jquery.min.js?r=1] ERROR org.xwiki.webjars.internal.WebJarsResourceReferenceHandler - Failed to read resource [jquery/1.11.3/jquery.min.js] 
org.xwiki.resource.ResourceReferenceHandlerException: Failed to read resource [jquery/1.11.3/jquery.min.js]
	at org.xwiki.webjars.internal.WebJarsResourceReferenceHandler.serveResource(WebJarsResourceReferenceHandler.java:222) ~[WebJarsResourceReferenceHandler.class:7.4.4]
	at org.xwiki.webjars.internal.WebJarsResourceReferenceHandler.handle(WebJarsResourceReferenceHandler.java:122) ~[WebJarsResourceReferenceHandler.class:7.4.4]
	at org.xwiki.resource.internal.DefaultResourceReferenceHandlerChain.handleNext(DefaultResourceReferenceHandlerChain.java:61) [DefaultResourceReferenceHandlerChain.class:7.4.4]
	at org.xwiki.resource.internal.AbstractResourceReferenceHandlerManager.handle(AbstractResourceReferenceHandlerManager.java:77) [AbstractResourceReferenceHandlerManager.class:7.4.4]
	at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.handleResourceReference(ResourceReferenceHandlerServlet.java:161) [ResourceReferenceHandlerServlet.class:7.4.4]
	at org.xwiki.resource.servlet.ResourceReferenceHandlerServlet.service(ResourceReferenceHandlerServlet.java:89) [ResourceReferenceHandlerServlet.class:7.4.4]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [tomcat8-servlet-api-8.0.14.jar:na]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63) [SetHTTPHeaderFilter.class:7.4.4]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:721) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:466) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:358) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:318) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.xwiki.resource.servlet.RoutingFilter.doFilter(RoutingFilter.java:150) [RoutingFilter.class:7.4.4]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:537) [tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1081) [tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:658) [tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222) [tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1566) [tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1523) [tomcat8-coyote-8.0.14.jar:8.0.14]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_101]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_101]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat8-util-8.0.14.jar:8.0.14]
	at java.lang.Thread.run(Thread.java:745) [na:1.7.0_101]
Caused by: org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken Pipe
	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:389) ~[tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:426) ~[tomcat8-util-8.0.14.jar:8.0.14]
	at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:339) ~[tomcat8-util-8.0.14.jar:8.0.14]
	at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:414) ~[tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:402) ~[tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:97) ~[tomcat8-catalina-8.0.14.jar:8.0.14]
	at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1793) ~[IOUtils.class:2.4]
	at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1769) ~[IOUtils.class:2.4]
	at org.apache.commons.io.IOUtils.copy(IOUtils.java:1744) ~[IOUtils.class:2.4]
	at org.xwiki.webjars.internal.WebJarsResourceReferenceHandler.serveResource(WebJarsResourceReferenceHandler.java:220) ~[WebJarsResourceReferenceHandler.class:7.4.4]
	... 35 common frames omitted
Caused by: java.io.IOException: Broken Pipe
	at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[na:1.7.0_101]
	at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[na:1.7.0_101]
	at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[na:1.7.0_101]
	at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[na:1.7.0_101]
	at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:492) ~[na:1.7.0_101]
	at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:127) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:173) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.InternalNioOutputBuffer.writeToSocket(InternalNioOutputBuffer.java:139) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:197) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:41) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:320) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:118) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:257) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.coyote.Response.doWrite(Response.java:492) ~[tomcat8-coyote-8.0.14.jar:8.0.14]
	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:384) ~[tomcat8-catalina-8.0.14.jar:8.0.14]
	... 44 common frames omitted

This is weird since it would mean some network connection issues between your instance and itself… when asking for the http://...pge.rs.gov.br/wiki/webjars/wiki%3Axwiki/jquery/1.11.3/jquery.min.js?r=1 resource…

Why do you think that?

I seem to have a similar issue (Relatime Collaborative Editor 500 (Internal Server Error) - netflux - #2 by AndreasScharf) Any hint on that?