Possible bug with Shib IdP v4.0.0

Mak, Steve makst at upenn.edu
Sat Apr 18 11:35:19 EDT 2020 

Relevant metadata-providers.xml snippet

    <MetadataProvider id="md-basic" xsi:type="LocalDynamicMetadataProvider" sourceDirectory="%{idp.home}/metadata/eg/basic"
        failFastInitialization="false"
        refreshDelayFactor=".75"
        minCacheDuration="PT10M"
        maxCacheDuration="PT1H"
        maxIdleEntityData="PT1H"
        removeIdleEntityData="true"
        cleanupTaskInterval="PT30M">
        <MetadataFilter xsi:type="EntityAttributes">
            <saml:Attribute Name="__custom_name__">
                <saml:AttributeValue>__custom_value__</saml:AttributeValue>
            </saml:Attribute>
            <ConditionRef>always-true</ConditionRef><!-- globally defined bean that evaluates to true -->
        </MetadataFilter>
    </MetadataProvider>


Here are the logs set to 'full'

2020-04-18 11:31:22,094 - DEBUG [net.shibboleth.idp.saml.metadata.impl.ByReferenceMetadataFilterBridge:74] - Bridging to 0 ByReference filters in Spring context
2020-04-18 11:31:22,108 - ERROR [net.shibboleth.idp.profile:-2] - Uncaught runtime exception
java.lang.NullPointerException: null
    at java.base/java.util.Objects.requireNonNull(Objects.java:221)
    at java.base/java.util.stream.Collectors.lambda$uniqKeysMapAccumulator$1(Collectors.java:178)
    at java.base/java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
    at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
    at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
    at net.shibboleth.idp.saml.metadata.ACSUIInfo.<init>(ACSUIInfo.java:68)
    at net.shibboleth.idp.saml.metadata.impl.UIInfoNodeProcessor.process(UIInfoNodeProcessor.java:47)
    at org.opensaml.saml.metadata.resolver.filter.impl.NodeProcessingMetadataFilter.processNode(NodeProcessingMetadataFilter.java:106)
    at org.opensaml.saml.metadata.resolver.filter.impl.NodeProcessingMetadataFilter.processNode(NodeProcessingMetadataFilter.java:113)
    at org.opensaml.saml.metadata.resolver.filter.impl.NodeProcessingMetadataFilter.processNode(NodeProcessingMetadataFilter.java:113)
    at org.opensaml.saml.metadata.resolver.filter.impl.NodeProcessingMetadataFilter.filter(NodeProcessingMetadataFilter.java:85)
    at org.opensaml.saml.metadata.resolver.filter.MetadataFilterChain.filter(MetadataFilterChain.java:73)
    at org.opensaml.saml.metadata.resolver.impl.AbstractMetadataResolver.filterMetadata(AbstractMetadataResolver.java:378)
    at org.opensaml.saml.metadata.resolver.impl.AbstractDynamicMetadataResolver.processNewMetadata(AbstractDynamicMetadataResolver.java:1061)
    at org.opensaml.saml.metadata.resolver.impl.AbstractDynamicMetadataResolver.processNewMetadata(AbstractDynamicMetadataResolver.java:1033)
    at org.opensaml.saml.metadata.resolver.impl.AbstractDynamicMetadataResolver.resolveFromOriginSourceWithEntityID(AbstractDynamicMetadataResolver.java:868)
    at org.opensaml.saml.metadata.resolver.impl.AbstractDynamicMetadataResolver.resolveFromOriginSource(AbstractDynamicMetadataResolver.java:810)
    at org.opensaml.saml.metadata.resolver.impl.AbstractDynamicMetadataResolver.resolve(AbstractDynamicMetadataResolver.java:713)
    at org.opensaml.saml.metadata.resolver.impl.AbstractDynamicMetadataResolver.resolve(AbstractDynamicMetadataResolver.java:90)
    at org.opensaml.saml.metadata.resolver.ChainingMetadataResolver.resolve(ChainingMetadataResolver.java:135)
    at org.opensaml.saml.metadata.resolver.ChainingMetadataResolver.resolve(ChainingMetadataResolver.java:48)
    at net.shibboleth.idp.saml.metadata.impl.ReloadingRelyingPartyMetadataProvider.resolve(ReloadingRelyingPartyMetadataProvider.java:75)
    at net.shibboleth.idp.saml.metadata.impl.ReloadingRelyingPartyMetadataProvider.resolve(ReloadingRelyingPartyMetadataProvider.java:44)
    at org.opensaml.saml.metadata.resolver.impl.PredicateRoleDescriptorResolver.resolve(PredicateRoleDescriptorResolver.java:260)
    at org.opensaml.saml.metadata.resolver.impl.PredicateRoleDescriptorResolver.resolveSingle(PredicateRoleDescriptorResolver.java:245)
    at org.opensaml.saml.metadata.resolver.impl.PredicateRoleDescriptorResolver.resolveSingle(PredicateRoleDescriptorResolver.java:73)
    at org.opensaml.saml.common.binding.impl.SAMLMetadataLookupHandler.doInvoke(SAMLMetadataLookupHandler.java:164)
    at org.opensaml.messaging.handler.AbstractMessageHandler.invoke(AbstractMessageHandler.java:93)
    at net.shibboleth.idp.profile.impl.WebFlowMessageHandlerAdaptor.doExecute(WebFlowMessageHandlerAdaptor.java:195)
    at org.opensaml.profile.action.AbstractProfileAction.execute(AbstractProfileAction.java:112)
    at net.shibboleth.idp.profile.AbstractProfileAction.doExecute(AbstractProfileAction.java:150)
    at net.shibboleth.idp.profile.AbstractProfileAction.execute(AbstractProfileAction.java:122)
    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.ActionState.doEnter(ActionState.java:101)
    at org.springframework.webflow.engine.State.enter(State.java:194)
    at org.springframework.webflow.engine.Transition.execute(Transition.java:228)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.execute(FlowExecutionImpl.java:395)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.execute(RequestControlContextImpl.java:214)
    at org.springframework.webflow.engine.TransitionableState.handleEvent(TransitionableState.java:116)
    at org.springframework.webflow.engine.Flow.handleEvent(Flow.java:547)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.handleEvent(FlowExecutionImpl.java:390)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.handleEvent(RequestControlContextImpl.java:210)
    at org.springframework.webflow.engine.ActionState.doEnter(ActionState.java:105)
    at org.springframework.webflow.engine.State.enter(State.java:194)
    at org.springframework.webflow.engine.Transition.execute(Transition.java:228)
    at org.springframework.webflow.engine.DecisionState.doEnter(DecisionState.java:51)
    at org.springframework.webflow.engine.State.enter(State.java:194)
    at org.springframework.webflow.engine.Transition.execute(Transition.java:228)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.execute(FlowExecutionImpl.java:395)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.execute(RequestControlContextImpl.java:214)
    at org.springframework.webflow.engine.TransitionableState.handleEvent(TransitionableState.java:116)
    at org.springframework.webflow.engine.Flow.handleEvent(Flow.java:547)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.handleEvent(FlowExecutionImpl.java:390)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.handleEvent(RequestControlContextImpl.java:210)
    at org.springframework.webflow.engine.ActionState.doEnter(ActionState.java:105)
    at org.springframework.webflow.engine.State.enter(State.java:194)
    at org.springframework.webflow.engine.Transition.execute(Transition.java:228)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.execute(FlowExecutionImpl.java:395)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.execute(RequestControlContextImpl.java:214)
    at org.springframework.webflow.engine.TransitionableState.handleEvent(TransitionableState.java:116)
    at org.springframework.webflow.engine.Flow.handleEvent(Flow.java:547)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.handleEvent(FlowExecutionImpl.java:390)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.handleEvent(RequestControlContextImpl.java:210)
    at org.springframework.webflow.engine.ActionState.doEnter(ActionState.java:105)
    at org.springframework.webflow.engine.State.enter(State.java:194)
    at org.springframework.webflow.engine.Transition.execute(Transition.java:228)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.execute(FlowExecutionImpl.java:395)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.execute(RequestControlContextImpl.java:214)
    at org.springframework.webflow.engine.TransitionableState.handleEvent(TransitionableState.java:116)
    at org.springframework.webflow.engine.Flow.handleEvent(Flow.java:547)
    at org.springframework.webflow.engine.impl.FlowExecutionImpl.handleEvent(FlowExecutionImpl.java:390)
    at org.springframework.webflow.engine.impl.RequestControlContextImpl.handleEvent(RequestControlContextImpl.java:210)
    at org.springframework.webflow.engine.ActionState.doEnter(ActionState.java:105)
    at org.springframework.webflow.engine.State.enter(State.java:194)
    at org.springframework.webflow.engine.Flow.start(Flow.java:527)
    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:139)
    at org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:264)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at net.shibboleth.idp.log.SLF4JMDCServletFilter.doFilter(SLF4JMDCServletFilter.java:72)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at net.shibboleth.utilities.java.support.net.RequestResponseContextFilter.doFilter(RequestResponseContextFilter.java:61)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:185)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:611)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:412)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1385)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.base/java.lang.Thread.run(Thread.java:834)
2020-04-18 11:31:22,116 - WARN [org.opensaml.profile.action.impl.LogEvent:101] - A non-proceed event occurred while processing the request: RuntimeException

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