Fix random test failure on JSF ftests with wro

2019-07-01T20:20:00,438 ERROR [http-nio-0.0.0.0-8080-exec-17] [ro.isdc.wro.http.WroFilter] Exception occured
org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:341) ~[catalina.jar:9.0.20]
	at org.apache.catalina.connector.OutputBuffer.appendByteArray(OutputBuffer.java:736) ~[catalina.jar:9.0.20]
	at org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:665) ~[catalina.jar:9.0.20]
	at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:376) ~[catalina.jar:9.0.20]
	at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:354) ~[catalina.jar:9.0.20]
	at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96) ~[catalina.jar:9.0.20]
	at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89) ~[catalina.jar:9.0.20]
	at org.apache.commons.io.IOUtils.write(IOUtils.java:1687) ~[commons-io-2.6.jar:2.6]
	at ro.isdc.wro.manager.ResourceBundleProcessor.serveProcessedBundle(ResourceBundleProcessor.java:94) ~[wro4j-core-1.8.0.jar:1.8.0]
	at ro.isdc.wro.manager.WroManager.process(WroManager.java:159) ~[wro4j-core-1.8.0.jar:1.8.0]
	at ro.isdc.wro.http.WroFilter.processRequest(WroFilter.java:339) [wro4j-core-1.8.0.jar:1.8.0]
	at ro.isdc.wro.http.WroFilter.doFilter(WroFilter.java:294) [wro4j-core-1.8.0.jar:1.8.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at ro.isdc.wro.http.WroContextFilter.doFilter(WroContextFilter.java:64) [wro4j-core-1.8.0.jar:1.8.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoThreadTrackerFilter.doFilter(NuxeoThreadTrackerFilter.java:43) [nuxeo-platform-web-common-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoStandbyFilter.doFilter(NuxeoStandbyFilter.java:67) [nuxeo-platform-web-common-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.core.management.jtajca.internal.Log4jWebFilter.doFilter(Log4jWebFilter.java:69) [nuxeo-core-management-jtajca-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.platform.ui.web.rest.FancyURLFilter.doFilter(FancyURLFilter.java:131) [nuxeo-platform-ui-web-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoRequestControllerFilter.doFilter(NuxeoRequestControllerFilter.java:139) [nuxeo-platform-web-common-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.platform.web.common.requestcontroller.filter.NuxeoCorsCsrfFilter.doFilter(NuxeoCorsCsrfFilter.java:251) [nuxeo-platform-web-common-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.platform.web.common.exceptionhandling.NuxeoExceptionFilter.doFilter(NuxeoExceptionFilter.java:69) [nuxeo-platform-web-common-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.nuxeo.ecm.platform.web.common.encoding.NuxeoEncodingFilter.doFilter(NuxeoEncodingFilter.java:64) [nuxeo-platform-web-common-11.1-SNAPSHOT.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) [catalina.jar:9.0.20]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) [catalina.jar:9.0.20]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:200) [catalina.jar:9.0.20]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [catalina.jar:9.0.20]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) [catalina.jar:9.0.20]
	at org.apache.catalina.valves.rewrite.RewriteValve.invoke(RewriteValve.java:290) [catalina.jar:9.0.20]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [catalina.jar:9.0.20]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [catalina.jar:9.0.20]
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678) [catalina.jar:9.0.20]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [catalina.jar:9.0.20]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [catalina.jar:9.0.20]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) [tomcat-coyote.jar:9.0.20]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-coyote.jar:9.0.20]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:836) [tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1839) [tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-coyote.jar:9.0.20]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:9.0.20]
	at java.lang.Thread.run(Thread.java:834) [?:?]
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:113) ~[?:?]
	at sun.nio.ch.IOUtil.write(IOUtil.java:79) ~[?:?]
	at sun.nio.ch.IOUtil.write(IOUtil.java:50) ~[?:?]
	at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:466) ~[?:?]
	at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:136) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:152) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1324) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:748) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.SocketWrapperBase.writeBlocking(SocketWrapperBase.java:518) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.tomcat.util.net.SocketWrapperBase.write(SocketWrapperBase.java:456) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.coyote.http11.Http11OutputBuffer$SocketOutputBuffer.doWrite(Http11OutputBuffer.java:530) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:73) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.coyote.http11.Http11OutputBuffer.doWrite(Http11OutputBuffer.java:189) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.coyote.Response.doWrite(Response.java:599) ~[tomcat-coyote.jar:9.0.20]
	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:329) ~[catalina.jar:9.0.20]
	... 58 more