Hi,

I am using cas 5.2.9 and sometimes I get the message 
[org.apereo.cas.web.FlowExecutionExceptionResolver] - <Ignoring the 
received exception due to a type mismatch> 
and the exception 
org.apache.catalina.connector.ClientAbortException: java.io.IOException: 
Broken pipe

Does anyone know why this is happenng and how I can fix it?

cas_1                           | 12/20-15:58:50.247 DEBUG 
[org.apereo.cas.web.FlowExecutionExceptionResolver] - <Ignoring the 
received exception due to a type mismatch>
cas_1                           | 
org.apache.catalina.connector.ClientAbortException: java.io.IOException: 
Broken pipe
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:356)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.flushByteBuffer(OutputBuffer.java:825)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:730) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:391) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:369) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.util.StreamUtils.copy(StreamUtils.java:138) 
~[spring-core-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.ResourceHttpMessageConverter.writeContent(ResourceHttpMessageConverter.java:110)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.ResourceHttpMessageConverter.writeInternal(ResourceHttpMessageConverter.java:102)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.ResourceHttpMessageConverter.writeInternal(ResourceHttpMessageConverter.java:45)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:226)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.resource.ResourceHttpRequestHandler.handleRequest(ResourceHttpRequestHandler.java:480)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle(HttpRequestHandlerAdapter.java:51)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:635) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:742) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
~[tomcat-embed-websocket-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
 
~[spring-boot-1.5.12.RELEASE.jar!/:1.5.12.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.web.support.AuthenticationCredentialsLocalBinderClearingFilter.doFilter(AuthenticationCredentialsLocalBinderClearingFilter.java:28)
 
~[cas-server-core-web-5.2.9.jar!/:5.2.9]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261)
 
~[cas-server-security-filter-2.0.10.3.jar!/:2.0.10.3]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:233)
 
~[cas-server-security-filter-2.0.10.3.jar!/:2.0.10.3]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111)
 
~[spring-boot-actuator-1.5.12.RELEASE.jar!/:1.5.12.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:93)
 
~[cas-server-core-logging-5.2.9.jar!/:5.2.9]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106)
 
~[spring-boot-actuator-1.5.12.RELEASE.jar!/:1.5.12.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:66)
 
~[inspektr-common-1.8.3.GA.jar!/:1.8.3.GA]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
~[?:1.8.0_131]
cas_1                           |     at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
~[?:1.8.0_131]
cas_1                           |     at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
cas_1                           | Caused by: java.io.IOException: Broken 
pipe
cas_1                           |     at 
sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) 
~[?:1.8.0_131]
cas_1                           |     at 
org.apache.tomcat.util.net.SecureNioChannel.flush(SecureNioChannel.java:144) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SecureNioChannel.write(SecureNioChannel.java:674) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:157) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1306)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:726)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketWrapperBase.writeBlocking(SocketWrapperBase.java:496)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketWrapperBase.write(SocketWrapperBase.java:434) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.Http11OutputBuffer$SocketOutputBuffer.doWrite(Http11OutputBuffer.java:623)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:116)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.Http11OutputBuffer.doWrite(Http11OutputBuffer.java:225)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.Response.doWrite(Response.java:541) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:351)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     ... 84 more
cas_1                           | 12/20-15:58:50.248 DEBUG 
[org.apereo.cas.web.FlowExecutionExceptionResolver] - <Ignoring the 
received exception due to a type mismatch>
cas_1                           | 
org.apache.catalina.connector.ClientAbortException: java.io.IOException: 
Broken pipe
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:356)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.flushByteBuffer(OutputBuffer.java:825)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:730) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:391) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:369) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.util.StreamUtils.copy(StreamUtils.java:138) 
~[spring-core-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.ResourceHttpMessageConverter.writeContent(ResourceHttpMessageConverter.java:110)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.ResourceHttpMessageConverter.writeInternal(ResourceHttpMessageConverter.java:102)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.ResourceHttpMessageConverter.writeInternal(ResourceHttpMessageConverter.java:45)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:226)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.resource.ResourceHttpRequestHandler.handleRequest(ResourceHttpRequestHandler.java:480)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter.handle(HttpRequestHandlerAdapter.java:51)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:635) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
 
~[spring-webmvc-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
javax.servlet.http.HttpServlet.service(HttpServlet.java:742) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
~[tomcat-embed-websocket-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
 
~[spring-boot-1.5.12.RELEASE.jar!/:1.5.12.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.web.support.AuthenticationCredentialsLocalBinderClearingFilter.doFilter(AuthenticationCredentialsLocalBinderClearingFilter.java:28)
 
~[cas-server-core-web-5.2.9.jar!/:5.2.9]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261)
 
~[cas-server-security-filter-2.0.10.3.jar!/:2.0.10.3]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:233)
 
~[cas-server-security-filter-2.0.10.3.jar!/:2.0.10.3]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111)
 
~[spring-boot-actuator-1.5.12.RELEASE.jar!/:1.5.12.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:93)
 
~[cas-server-core-logging-5.2.9.jar!/:5.2.9]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106)
 
~[spring-boot-actuator-1.5.12.RELEASE.jar!/:1.5.12.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
 
~[spring-web-4.3.16.RELEASE.jar!/:4.3.16.RELEASE]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:66)
 
~[inspektr-common-1.8.3.GA.jar!/:1.8.3.GA]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
~[?:1.8.0_131]
cas_1                           |     at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
~[?:1.8.0_131]
cas_1                           |     at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
cas_1                           | Caused by: java.io.IOException: Broken 
pipe
cas_1                           |     at 
sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[?:1.8.0_131]
cas_1                           |     at 
sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471) 
~[?:1.8.0_131]
cas_1                           |     at 
org.apache.tomcat.util.net.SecureNioChannel.flush(SecureNioChannel.java:144) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SecureNioChannel.write(SecureNioChannel.java:674) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:157) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1306)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:726)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketWrapperBase.writeBlocking(SocketWrapperBase.java:496)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.tomcat.util.net.SocketWrapperBase.write(SocketWrapperBase.java:434) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.Http11OutputBuffer$SocketOutputBuffer.doWrite(Http11OutputBuffer.java:623)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:116)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.http11.Http11OutputBuffer.doWrite(Http11OutputBuffer.java:225)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.coyote.Response.doWrite(Response.java:541) 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:351)
 
~[tomcat-embed-core-8.5.35.jar!/:8.5.35]
cas_1                           |     ... 84 more

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