Hi, after updating my certificates, I'm getting the same error. Only thing 
that changed, is the private key length (new one has 4096). Could that be a 
problem?

Am Dienstag, 9. Oktober 2018 14:43:35 UTC+2 schrieb Oussama Benjemaa:
>
> Hi  All , 
>
>
> I configured CAS Apereo 5.3.3 with a web application , and tried to login.
>
> In login , process , i get the saml2 response with the good attribute i 
> configured , but , i got an exception as following : 
>
> 2018-10-09 08:25:29,503 DEBUG 
> [org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner]
>  
> - <Signature signing reference digest methods: [[
> http://www.w3.org/2001/04/xmlenc#sha256, 
> http://www.w3.org/2001/04/xmldsig-more#sha384, 
> http://www.w3.org/2001/04/xmlenc#sha512, 
> http://www.w3.org/2000/09/xmldsig#sha1]]>
> 2018-10-09 08:25:29,522 DEBUG 
> [org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner]
>  
> - <Locating signature signing key file from [file 
> [/etc/cas/saml/idp-signing.key]]>
> 2018-10-09 08:25:29,523 DEBUG 
> [org.apereo.cas.util.crypto.PrivateKeyFactoryBean] - <Attempting to read as 
> PEM [file [/etc/cas/saml/idp-signing.key]]>
> 2018-10-09 08:25:29,839 DEBUG 
> [org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner]
>  
> - <Signature signing credentials configured with [0] credentials>
> 2018-10-09 08:25:29,855 DEBUG 
> [org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner]
>  
> - <Resolving signature signing parameters for [SPSSODescriptor]>
> 2018-10-09 08:25:29,858 WARN 
> [org.opensaml.xmlsec.impl.BasicSignatureSigningParametersResolver] - 
> <Validation failure: Unable to resolve signing credential>
> 2018-10-09 08:25:29,858 INFO 
> [org.apereo.inspektr.audit.support.Slf4jLoggingAuditTrailManager] - <Audit 
> trail record BEGIN
> =============================================================
> WHO: audit:unknown
> WHAT: java.lang.NullPointerException
> ACTION: SAML2_RESPONSE_FAILED
> APPLICATION: CAS
> WHEN: Tue Oct 09 08:25:29 EDT 2018
> CLIENT IP ADDRESS: 172.16.16.58
> SERVER IP ADDRESS: 172.16.16.63
> =============================================================
>
> >
> 2018-10-09 08:25:29,864 DEBUG 
> [org.apereo.cas.web.FlowExecutionExceptionResolver] - <Ignoring the 
> received exception due to a type mismatch>
> java.lang.NullPointerException: null
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner.buildSignatureSigningParameters(SamlIdPObjectSigner.java:233)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner.prepareSecurityParametersContext(SamlIdPObjectSigner.java:185)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner.encode(SamlIdPObjectSigner.java:121)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> ~[?:1.8.0_181]
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[?:1.8.0_181]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> ~[?:1.8.0_181]
>         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_181]
>         at 
> org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:216)
>  
> ~[spring-core-4.3.19.RELEASE.jar!/:4.3.19.RELEASE]
>         at 
> org.springframework.cloud.context.scope.GenericScope$LockedScopedProxyFactoryBean.invoke(GenericScope.java:470)
>  
> ~[spring-cloud-context-1.3.0.RELEASE.jar!/:1.3.0.RELEASE]
>         at 
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
>  
> ~[spring-aop-4.3.19.RELEASE.jar!/:4.3.19.RELEASE]
>         at 
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:671)
>  
> ~[spring-aop-4.3.19.RELEASE.jar!/:4.3.19.RELEASE]
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.enc.SamlIdPObjectSigner$$EnhancerBySpringCGLIB$$41f95fb1.encode(<generated>)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.response.SamlProfileSaml2ResponseBuilder.buildResponse(SamlProfileSaml2ResponseBuilder.java:112)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.response.SamlProfileSaml2ResponseBuilder.buildResponse(SamlProfileSaml2ResponseBuilder.java:48)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.response.BaseSamlProfileSamlResponseBuilder.build(BaseSamlProfileSamlResponseBuilder.java:87)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>         at 
> org.apereo.cas.support.saml.web.idp.profile.builders.response.BaseSamlProfileSamlResponseBuilder$$FastClassBySpringCGLIB$$f1322d9c.invoke(<generated>)
>  
> ~[cas-server-support-saml-idp-web-5.3.3.jar!/:5.3.3]
>
>
> is it an issue of missing key / certificate  in keystore ?
>

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