Would you please file an issue with steps describing how to reproduce the error 
accompanied with your overlay posted here: 
https://github.com/cas-projects/cas-issues 
<https://github.com/cas-projects/cas-issues>

Thanks,
D.

> On Aug 23, 2016, at 7:50 AM, Tanna <[email protected]> wrote:
> 
> Hi,
> 
> I'm testing CAS 5.0.0 RC1 SNAPSHOT as an Identity Provider with SAML2.
> Actually I encounter the following issue : 
> CAS didn't manage to decode the SAML request from the SP (other SAML IdP 
> manage to decode the request).
> I got the following stackTrace :
> 
> 2016-08-23 09:21:43,940 ERROR [ErrorPageFilter] - <Forwarding to error page 
> from request [/idp/profile/SAML2/Redirect/SSO] due to exception 
> [org.opensaml.messaging.decoder.MessageDecodingException: Error unmarshalling 
> message from input stream]>
> java.lang.RuntimeException: 
> org.opensaml.messaging.decoder.MessageDecodingException: Error unmarshalling 
> message from input stream
>   at com.google.common.base.Throwables.propagate(Throwables.java:160) 
> ~[guava-19.0.jar:?]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.AbstractSamlProfileHandlerController.decodeRequest(AbstractSamlProfileHandlerController.java:265)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.SSOPostProfileHandlerController.retrieveAuthnRequest(SSOPostProfileHandlerController.java:79)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.SSOPostProfileHandlerController.handleSsoPostProfileRequest(SSOPostProfileHandlerController.java:67)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.SSOPostProfileHandlerController.handleSaml2ProfileSsoRedirectRequest(SSOPostProfileHandlerController.java:40)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   at sun.reflect.GeneratedMethodAccessor236.invoke(Unknown Source) ~[?:?]
>   at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_92-internal]
>   at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_92-internal]
>   at 
> org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:723)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655)
>  ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.SSOPostProfileHandlerController$$EnhancerBySpringCGLIB$$7025b0ee.handleSaml2ProfileSsoRedirectRequest(<generated>)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   at sun.reflect.GeneratedMethodAccessor236.invoke(Unknown Source) ~[?:?]
>   at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_92-internal]
>   at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_92-internal]
>   at 
> org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) 
> ~[servlet-api.jar:?]
>   at 
> org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
>  ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) 
> ~[servlet-api.jar:?]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
> ~[tomcat-websocket.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
>  ~[spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apereo.cas.web.support.CurrentCredentialsAndAuthenticationClearingFilter.doFilter(CurrentCredentialsAndAuthenticationClearingFilter.java:28)
>  ~[cas-server-core-web-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apereo.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:261)
>  ~[cas-server-security-filter-2.0.6.jar:2.0.6]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apereo.cas.security.ResponseHeadersEnforcementFilter.doFilter(ResponseHeadersEnforcementFilter.java:238)
>  ~[cas-server-security-filter-2.0.6.jar:2.0.6]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apereo.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:62)
>  ~[inspektr-common-1.5.GA.jar:1.5.GA <http://1.5.ga/>]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:105)
>  ~[spring-boot-actuator-1.4.0.RELEASE.jar:1.4.0.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apereo.cas.logging.web.ThreadContextMDCServletFilter.doFilter(ThreadContextMDCServletFilter.java:90)
>  ~[cas-server-core-logging-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:107)
>  ~[spring-boot-actuator-1.4.0.RELEASE.jar:1.4.0.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:119)
>  ~[spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
>   at 
> org.springframework.boot.web.support.ErrorPageFilter.access$000(ErrorPageFilter.java:61)
>  ~[spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
>   at 
> org.springframework.boot.web.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:94)
>  ~[spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
>   at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>  ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
>   at 
> org.springframework.boot.web.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:112)
>  ~[spring-boot-1.4.0.RELEASE.jar:1.4.0.RELEASE]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71)
>  ~[log4j-web-2.6.2.jar:2.6.2]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
> ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) 
> ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
>  ~[catalina.jar:8.5.4]
>   at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) 
> ~[catalina.jar:8.5.4]
>   at 
> org.apache.coyote.http2.StreamProcessor.service(StreamProcessor.java:413) 
> ~[tomcat-coyote.jar:8.5.4]
>   at 
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
>  ~[tomcat-coyote.jar:8.5.4]
>   at org.apache.coyote.http2.StreamProcessor.run(StreamProcessor.java:71) 
> ~[tomcat-coyote.jar:8.5.4]
>   at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [?:1.8.0_92-internal]
>   at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [?:1.8.0_92-internal]
>   at 
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>  ~[tomcat-util.jar:8.5.4]
>   at java.lang.Thread.run(Thread.java:745) [?:1.8.0_92-internal]
> Caused by: org.opensaml.messaging.decoder.MessageDecodingException: Error 
> unmarshalling message from input stream
>   at 
> org.opensaml.messaging.decoder.servlet.BaseHttpServletRequestXMLMessageDecoder.unmarshallMessage(BaseHttpServletRequestXMLMessageDecoder.java:152)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.saml.saml2.binding.decoding.impl.HTTPRedirectDeflateDecoder.doDecode(HTTPRedirectDeflateDecoder.java:77)
>  ~[opensaml-saml-impl-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.AbstractMessageDecoder.decode(AbstractMessageDecoder.java:58)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.AbstractHttpServletRequestMessageDecoder.decode(AbstractHttpServletRequestMessageDecoder.java:55)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.BaseHttpServletRequestXMLMessageDecoder.decode(BaseHttpServletRequestXMLMessageDecoder.java:66)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.AbstractSamlProfileHandlerController.decodeRequest(AbstractSamlProfileHandlerController.java:251)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   ... 104 more
> Caused by: net.shibboleth.utilities.java.support.xml.XMLParserException: 
> Unable to read data from input stream
>   at 
> net.shibboleth.utilities.java.support.xml.BasicParserPool.parse(BasicParserPool.java:250)
>  ~[java-support-7.2.0.jar:?]
>   at 
> org.opensaml.core.xml.util.XMLObjectSupport.unmarshallFromInputStream(XMLObjectSupport.java:229)
>  ~[opensaml-core-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.BaseHttpServletRequestXMLMessageDecoder.unmarshallMessage(BaseHttpServletRequestXMLMessageDecoder.java:148)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.saml.saml2.binding.decoding.impl.HTTPRedirectDeflateDecoder.doDecode(HTTPRedirectDeflateDecoder.java:77)
>  ~[opensaml-saml-impl-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.AbstractMessageDecoder.decode(AbstractMessageDecoder.java:58)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.AbstractHttpServletRequestMessageDecoder.decode(AbstractHttpServletRequestMessageDecoder.java:55)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.BaseHttpServletRequestXMLMessageDecoder.decode(BaseHttpServletRequestXMLMessageDecoder.java:66)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.AbstractSamlProfileHandlerController.decodeRequest(AbstractSamlProfileHandlerController.java:251)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   ... 104 more
> Caused by: java.util.zip.ZipException: invalid bit length repeat
>   at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:164) 
> ~[?:1.8.0_92-internal]
>   at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:122) 
> ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.impl.XMLEntityManager$RewindableInputStream.read(XMLEntityManager.java:2899)
>  ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:674)
>  ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(XMLVersionDetector.java:189)
>  ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:812)
>  ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
>  ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
>  ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243)
>  ~[?:1.8.0_92-internal]
>   at 
> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339)
>  ~[?:1.8.0_92-internal]
>   at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121) 
> ~[?:1.8.0_92-internal]
>   at 
> net.shibboleth.utilities.java.support.xml.BasicParserPool$DocumentBuilderProxy.parse(BasicParserPool.java:758)
>  ~[java-support-7.2.0.jar:?]
>   at 
> net.shibboleth.utilities.java.support.xml.BasicParserPool.parse(BasicParserPool.java:242)
>  ~[java-support-7.2.0.jar:?]
>   at 
> org.opensaml.core.xml.util.XMLObjectSupport.unmarshallFromInputStream(XMLObjectSupport.java:229)
>  ~[opensaml-core-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.BaseHttpServletRequestXMLMessageDecoder.unmarshallMessage(BaseHttpServletRequestXMLMessageDecoder.java:148)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.saml.saml2.binding.decoding.impl.HTTPRedirectDeflateDecoder.doDecode(HTTPRedirectDeflateDecoder.java:77)
>  ~[opensaml-saml-impl-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.AbstractMessageDecoder.decode(AbstractMessageDecoder.java:58)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.AbstractHttpServletRequestMessageDecoder.decode(AbstractHttpServletRequestMessageDecoder.java:55)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.opensaml.messaging.decoder.servlet.BaseHttpServletRequestXMLMessageDecoder.decode(BaseHttpServletRequestXMLMessageDecoder.java:66)
>  ~[opensaml-messaging-api-3.2.0.jar:?]
>   at 
> org.apereo.cas.support.saml.web.idp.profile.AbstractSamlProfileHandlerController.decodeRequest(AbstractSamlProfileHandlerController.java:251)
>  ~[cas-server-support-saml-idp-5.0.0.RC1-SNAPSHOT.jar:5.0.0.RC1-SNAPSHOT]
>   ... 104 more
> 
> Any idea of what's going wrong?
> 
> Thanks,
> 
> Regards.
> 
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