Exception in async processing

[Bergner, Arnold]

Hi,

 

I’m running CAS 5.2.0 on seperate tomcat. Trying to access the status/ssosessions page, I get the following exception:

 

java.lang.IllegalStateException: Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml.

 

Same occurs for /consentReview endpoint. The error is pretty clear and I’d submit a PR, but I don’t know where to enable async processing in the sources. I appreciate any help/hint here.

 

More ouput below.

 

Regards,

Arnold

 

 

2017-12-15 11:24:18,816 DEBUG [org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver] - <Resolving exception from handler [public org.springframework.web.context.request.async.WebAsyncTask<java.util.Map<java.lang.String, java.lang.Object>> org.apereo.cas.web.report.SingleSignOnSessionsReportController.getSsoSessions(java.lang.String,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)]: java.lang.IllegalStateException: Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml.>

2017-12-15 11:24:18,820 DEBUG [org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver] - <Resolving exception from handler [public org.springframework.web.context.request.async.WebAsyncTask<java.util.Map<java.lang.String, java.lang.Object>> org.apereo.cas.web.report.SingleSignOnSessionsReportController.getSsoSessions(java.lang.String,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)]: java.lang.IllegalStateException: Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml.>

2017-12-15 11:24:18,821 DEBUG [org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver] - <Resolving exception from handler [public org.springframework.web.context.request.async.WebAsyncTask<java.util.Map<java.lang.String, java.lang.Object>> org.apereo.cas.web.report.SingleSignOnSessionsReportController.getSsoSessions(java.lang.String,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)]: java.lang.IllegalStateException: Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml.>

2017-12-15 11:24:18,828 DEBUG [org.springframework.web.servlet.DispatcherServlet] - <Could not complete request>

java.lang.IllegalStateException: Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml.

                at org.springframework.util.Assert.state(Assert.java:70) ~[spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.context.request.async.StandardServletAsyncWebRequest.startAsync(StandardServletAsyncWebRequest.java:103) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.context.request.async.WebAsyncManager.startAsyncProcessing(WebAsyncManager.java:430) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.context.request.async.WebAsyncManager.startCallableProcessing(WebAsyncManager.java:309) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.mvc.method.annotation.AsyncTaskMethodReturnValueHandler.handleReturnValue(AsyncTaskMethodReturnValueHandler.java:64) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:113) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) ~[servlet-api.jar:?]

                at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[servlet-api.jar:?]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-websocket.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apache.catalina.filters.RequestDumperFilter.doFilter(RequestDumperFilter.java:203) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apereo.cas.web.support.AuthenticationCredentialsLocalBinderClearingFilter.doFilter(AuthenticationCredentialsLocalBinderClearingFilter.java:28) ~[cas-server-core-web-5.2.0.jar:5.2.0]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261) ~[cas-server-security-filter-2.0.7.jar:2.0.7]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:245) ~[cas-server-security-filter-2.0.7.jar:2.0.7]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:110) ~[spring-boot-actuator-1.5.8.RELEASE.jar:1.5.8.RELEASE]

                at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:108) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:93) ~[cas-server-core-logging-5.2.0.jar:5.2.0]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) ~[spring-boot-actuator-1.5.8.RELEASE.jar:1.5.8.RELEASE]

                at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115) ~[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]

                at org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59) ~[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]

                at org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90) ~[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]

                at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108) ~[spring-boot-1.5.8.RELEASE.jar:1.5.8.RELEASE]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:64) ~[inspektr-common-1.7.GA.jar:1.7.GA]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71) ~[log4j-web-2.9.1.jar:2.9.1]

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[catalina.jar:8.5.13]

                at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) ~[catalina.jar:8.5.13]

                at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) ~[catalina.jar:8.5.13]

                at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) ~[catalina.jar:8.5.13]

                at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) ~[catalina.jar:8.5.13]

                at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) ~[catalina.jar:8.5.13]

                at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) ~[tomcat-coyote.jar:8.5.13]

                at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-coyote.jar:8.5.13]

                at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) ~[tomcat-coyote.jar:8.5.13]

                at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) ~[tomcat-coyote.jar:8.5.13]

                at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-coyote.jar:8.5.13]

                at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[?:1.8.0_131]

                at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[?:1.8.0_131]

                at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-util.jar:8.5.13]

                at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]

2017-12-15 11:24:18,830 ERROR [org.springframework.boot.web.support.ErrorPageFilter] - <Forwarding to error page from request [/status/ssosessions/getSsoSessions] due to exception [Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml.]>

java.lang.IllegalStateException: Async support must be enabled on a servlet and for all filters involved in async request processing. This is done in Java code using the Servlet API or by adding "<async-supported>true</async-supported>" to servlet and filter declarations in web.xml.

                at org.springframework.util.Assert.state(Assert.java:70) ~[spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.context.request.async.StandardServletAsyncWebRequest.startAsync(StandardServletAsyncWebRequest.java:103) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.context.request.async.WebAsyncManager.startAsyncProcessing(WebAsyncManager.java:430) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.context.request.async.WebAsyncManager.startCallableProcessing(WebAsyncManager.java:309) ~[spring-web-4.3.12.RELEASE.jar:4.3.12.RELEASE]

                at org.springframework.web.servlet.mvc.method.annotation.AsyncTaskMethodReturnValueHandler.handleReturnValue(AsyncTaskMethodReturnValueHandler.java:64) ~[spring-webmvc-4.3.12.RELEASE.jar:4.3.12.RELEASE]

…

[David Curry]

This is a servlet container configuration issue, not a code issue -- no pr needed. The embedded servlet container comes pre-configured with async support enabled, but if you're using an external servlet container, you have to enable it yourself. This is documented here:

https://apereo.github.io/cas/5.2.x/installation/Configuring-Servlet-Container.html#async-support

For Tomcat 8.5.x, you need to add

<async-supported>true</async-supported>

to the definition of the default web application servlet (around lines 103-115 of conf/web.xml), and also to the definition of the jsp compiler and execution servlet (around lines 251-263). In my implementation, I just added the above line as the last line of each definition, right before the </servlet> close-tag, and it works fine.

--Dave

--

DAVID A. CURRY, CISSP
DIRECTOR OF INFORMATION SECURITY
INFORMATION TECHNOLOGY

71 FIFTH AVE., 9TH FL., NEW YORK, NY 10003
+1 212 229-5300 x4728 • david...@newschool.edu

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[Bergner, Arnold]

Thank you, that solved it.

 

Von: cas-...@apereo.org [mailto:cas-...@apereo.org] Im Auftrag von David Curry
Gesendet: Freitag, 15. Dezember 2017 14:13
An: cas-...@apereo.org
Betreff: Re: [cas-user] Exception in async processing

 

This is a servlet container configuration issue, not a code issue -- no pr needed. The embedded servlet container comes pre-configured with async support enabled, but if you're using an external servlet container, you have to enable it yourself. This is documented here:

 

https://apereo.github.io/cas/5.2.x/installation/Configuring-Servlet-Container.html#async-support

 

For Tomcat 8.5.x, you need to add

 

<async-supported>true</async-supported>

 

to the definition of the default web application servlet (around lines 103-115 of conf/web.xml), and also to the definition of the jsp compiler and execution servlet (around lines 251-263). In my implementation, I just added the above line as the last line of each definition, right before the </servlet> close-tag, and it works fine.

 

--Dave

 

 

 

 

 

 

 

--

DAVID A. CURRY, CISSP
DIRECTOR OF INFORMATION SECURITY
INFORMATION TECHNOLOGY

71 FIFTH AVE., 9TH FL., NEW YORK, NY 10003
+1 212 229-5300 x4728 • david...@newschool.edu

 

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To unsubscribe from this group and stop receiving emails from it, send an email to cas-user+u...@apereo.org.

To view this discussion on the web visit https://groups.google.com/a/apereo.org/d/msgid/cas-user/8aafb1ea81204974b79c8ba71d42b5b8%40hrz.tu-darmstadt.de.

 

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