When do you get this error? Do you start from Google Apps or do you directly go 
to cas/login? Could you capture the Google Apps request and paste that back? 

- Misagh

> On Oct 13, 2015, at 4:39 AM, [email protected] wrote:
> 
> Hi,
> 
> We're running CAS 4.1.0 and we also use Google Apps, so we're trying to 
> configure SAML 2.0 for this. Following this [1] document, we've made the 
> following steps:
> 
> 1) We did NOT generate a new private/public key pair, since we already have 
> one from our previous CAS installation (3.5.x). We simply moved the 
> public/private files to the new machine to the same path.
> 
> 2) argumentExtractorsConfiguration.xml:
> 
>    <bean id="googleAccountsArgumentExtractor"
>        
> class="org.jasig.cas.support.saml.web.support.GoogleAccountsArgumentExtractor"
>          c:servicesManager-ref="servicesManager"
>          c:privateKey-ref="privateKeyFactoryBean"
>          c:publicKey-ref="publicKeyFactoryBean" />
> 
>    <bean id="privateKeyFactoryBean" 
> class="org.jasig.cas.util.PrivateKeyFactoryBean"
>          p:location="classpath:private.p8"
>          p:algorithm="RSA" />
> 
>    <bean id="publicKeyFactoryBean"    
> class="org.jasig.cas.util.PublicKeyFactoryBean"
>          p:location="classpath:public.key"
>          p:algorithm="RSA" />
> 
> 3) Although not documented, we added <ref 
> bean="googleAccountsArgumentExtractor" /> to the argumentExtractors list:
> 
>    <util:list id="argumentExtractors">
>      <ref bean="casArgumentExtractor" />
>      <ref bean="samlArgumentExtractor" />
>      <ref bean="googleAccountsArgumentExtractor" />
>    </util:list>
> 
> When built, the following exception is being thrown:
> 
>    GRAVE: El Servlet.service() para el servlet [cas] en el contexto con ruta 
> [/cas] lanzó la excepción [Request processing failed; nested exception is     
> org.springframework.webflow.execution.ActionExecutionException: Exception 
> thrown executing org.jasig.cas.web.flow.InitialFlowSetupAction@1149cb40 in 
> state 'null' of flow 'login' -- action      execution attributes were 
> 'map[[empty]]'] con causa raíz
>    java.util.zip.ZipException: incorrect header check
>       at 
> java.util.zip.InflaterOutputStream.write(InflaterOutputStream.java:273)
>       at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1793)
>       at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1769)
>       at org.apache.commons.io.IOUtils.copy(IOUtils.java:1744)
>       at 
> org.jasig.cas.util.CompressionUtils.inflate_aroundBody0(CompressionUtils.java:66)
>       at 
> org.jasig.cas.util.CompressionUtils$AjcClosure1.run_aroundBody0(CompressionUtils.java:1)
>       at 
> org.jasig.cas.util.CompressionUtils$AjcClosure1$AjcClosure1.run_aroundBody0(CompressionUtils.java:1)
>       at 
> org.jasig.cas.util.CompressionUtils$AjcClosure1$AjcClosure1$AjcClosure1.run(CompressionUtils.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.util.CompressionUtils$AjcClosure1$AjcClosure1.run(CompressionUtils.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.util.CompressionUtils$AjcClosure1.run(CompressionUtils.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at org.jasig.cas.util.CompressionUtils.inflate(CompressionUtils.java:63)
>       at 
> org.jasig.cas.support.saml.util.AbstractSaml20ObjectBuilder.decodeSamlAuthnRequest_aroundBody16(AbstractSaml20ObjectBuilder.java:262)
>       at 
> org.jasig.cas.support.saml.util.AbstractSaml20ObjectBuilder$AjcClosure17.run_aroundBody0(AbstractSaml20ObjectBuilder.java:1)
>       at 
> org.jasig.cas.support.saml.util.AbstractSaml20ObjectBuilder$AjcClosure17$AjcClosure1.run(AbstractSaml20ObjectBuilder.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.support.saml.util.AbstractSaml20ObjectBuilder$AjcClosure17.run(AbstractSaml20ObjectBuilder.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.support.saml.util.AbstractSaml20ObjectBuilder.decodeSamlAuthnRequest(AbstractSaml20ObjectBuilder.java:253)
>       at 
> org.jasig.cas.support.saml.authentication.principal.GoogleAccountsService.createServiceFrom_aroundBody0(GoogleAccountsService.java:133)
>       at 
> org.jasig.cas.support.saml.authentication.principal.GoogleAccountsService$AjcClosure1.run(GoogleAccountsService.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.support.saml.authentication.principal.GoogleAccountsService.createServiceFrom(GoogleAccountsService.java:131)
>       at 
> org.jasig.cas.support.saml.web.support.GoogleAccountsArgumentExtractor.extractServiceInternal_aroundBody0(GoogleAccountsArgumentExtractor.java:69)
>       at 
> org.jasig.cas.support.saml.web.support.GoogleAccountsArgumentExtractor$AjcClosure1.run_aroundBody0(GoogleAccountsArgumentExtractor.java:1)
>       at 
> org.jasig.cas.support.saml.web.support.GoogleAccountsArgumentExtractor$AjcClosure1$AjcClosure1.run(GoogleAccountsArgumentExtractor.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.support.saml.web.support.GoogleAccountsArgumentExtractor$AjcClosure1.run(GoogleAccountsArgumentExtractor.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.support.saml.web.support.GoogleAccountsArgumentExtractor.extractServiceInternal(GoogleAccountsArgumentExtractor.java:69)
>       at 
> org.jasig.cas.web.support.AbstractArgumentExtractor.extractService_aroundBody0(AbstractArgumentExtractor.java:43)
>       at 
> org.jasig.cas.web.support.AbstractArgumentExtractor$AjcClosure1.run_aroundBody0(AbstractArgumentExtractor.java:1)
>       at 
> org.jasig.cas.web.support.AbstractArgumentExtractor$AjcClosure1$AjcClosure1.run_aroundBody0(AbstractArgumentExtractor.java:1)
>       at 
> org.jasig.cas.web.support.AbstractArgumentExtractor$AjcClosure1$AjcClosure1$AjcClosure1.run(AbstractArgumentExtractor.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.web.support.AbstractArgumentExtractor$AjcClosure1$AjcClosure1.run(AbstractArgumentExtractor.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.web.support.AbstractArgumentExtractor$AjcClosure1.run(AbstractArgumentExtractor.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at 
> org.jasig.cas.web.support.AbstractArgumentExtractor.extractService(AbstractArgumentExtractor.java:43)
>       at 
> org.jasig.cas.web.support.WebUtils.getService_aroundBody4(WebUtils.java:97)
>       at org.jasig.cas.web.support.WebUtils$AjcClosure5.run(WebUtils.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at org.jasig.cas.web.support.WebUtils.getService(WebUtils.java:96)
>       at 
> org.jasig.cas.web.support.WebUtils.getService_aroundBody6(WebUtils.java:119)
>       at org.jasig.cas.web.support.WebUtils$AjcClosure7.run(WebUtils.java:1)
>       at 
> org.aspectj.runtime.reflect.JoinPointImpl.proceed(JoinPointImpl.java:149)
>       at 
> org.jasig.inspektr.aspect.TraceLogAspect.traceMethod(TraceLogAspect.java:44)
>       at org.jasig.cas.web.support.WebUtils.getService(WebUtils.java:118)
>       at 
> org.jasig.cas.web.flow.InitialFlowSetupAction.doExecute(InitialFlowSetupAction.java:97)
>       at 
> org.springframework.webflow.action.AbstractAction.execute(AbstractAction.java:188)
>       at 
> org.springframework.webflow.execution.ActionExecutor.execute(ActionExecutor.java:51)
>       at 
> org.springframework.webflow.action.EvaluateAction.doExecute(EvaluateAction.java:77)
>       at 
> org.springframework.webflow.action.AbstractAction.execute(AbstractAction.java:188)
>       at 
> org.springframework.webflow.execution.AnnotatedAction.execute(AnnotatedAction.java:145)
>       at 
> org.springframework.webflow.execution.ActionExecutor.execute(ActionExecutor.java:51)
>       at 
> org.springframework.webflow.engine.ActionList.execute(ActionList.java:154)
>       at org.springframework.webflow.engine.Flow.start(Flow.java:526)
>       at 
> org.springframework.webflow.engine.impl.FlowExecutionImpl.start(FlowExecutionImpl.java:368)
>       at 
> org.springframework.webflow.engine.impl.FlowExecutionImpl.start(FlowExecutionImpl.java:223)
>       at 
> org.springframework.webflow.executor.FlowExecutorImpl.launchExecution(FlowExecutorImpl.java:140)
>       at 
> org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:238)
>       at 
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
>       at 
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
>       at 
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
>       at 
> org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
>       at 
> org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>       at 
> org.jasig.cas.security.RequestParameterPolicyEnforcementFilter.doFilter(RequestParameterPolicyEnforcementFilter.java:296)
>       at 
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
>       at 
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>       at 
> org.jasig.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:62)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>       at 
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:85)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
>       at 
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
>       at 
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
>       at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
>       at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
>       at 
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
>       at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
>       at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
>       at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
>       at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
>       at 
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
>       at 
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
>       at 
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:745)
>       Suppressed: java.util.zip.ZipException: incorrect header check
>               at 
> java.util.zip.InflaterOutputStream.flush(InflaterOutputStream.java:169)
>               at 
> java.util.zip.InflaterOutputStream.finish(InflaterOutputStream.java:186)
>               at 
> java.util.zip.InflaterOutputStream.close(InflaterOutputStream.java:129)
>               at 
> org.jasig.cas.util.CompressionUtils.inflate_aroundBody0(CompressionUtils.java:68)
>               ... 107 more
> 
> What could be the reason of this? The md5 checksums of the moved files seem 
> to match.
> 
> Thanks,
> 
> Nicolás
> 
> [1]: http://jasig.github.io/cas/4.1.x/integration/Google-Apps-Integration.html
> 
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