[ 
https://issues.apache.org/jira/browse/NIFI-14023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18018164#comment-18018164
 ] 

ASF subversion and git services commented on NIFI-14023:
--------------------------------------------------------

Commit 884576f46a9aba3ff20f64e80b05ea8e4c84cf34 in nifi's branch 
refs/heads/main from Pierre Villard
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=884576f46a ]

NIFI-14023 Fix NPE listing Parameter Providers when some are unreadable (#10272)

Signed-off-by: David Handermann <[email protected]>

> Parameter Provider endpoint merger doesn't account for permissions
> ------------------------------------------------------------------
>
>                 Key: NIFI-14023
>                 URL: https://issues.apache.org/jira/browse/NIFI-14023
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 2.0.0
>            Reporter: Rob Fellows
>            Assignee: Pierre Villard
>            Priority: Major
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> When running clustered, if you remove read permission on a parameter provider 
> you get into a state where the listing of parameter providers fails 
> completely.
>  
> {code:java}
> 2024-11-18 10:39:25,782 ERROR [NiFi Web Server-400] 
> o.a.nifi.web.api.config.ThrowableMapper An unexpected error has occurred: 
> java.lang.NullPointerException: Cannot invoke 
> "org.apache.nifi.web.api.dto.ParameterProviderDTO.getParameterGroupConfigurations()"
>  because the return value of 
> "org.apache.nifi.web.api.entity.ParameterProviderEntity.getComponent()" is 
> null. Returning Internal Server Error response.
> java.lang.NullPointerException: Cannot invoke 
> "org.apache.nifi.web.api.dto.ParameterProviderDTO.getParameterGroupConfigurations()"
>  because the return value of 
> "org.apache.nifi.web.api.entity.ParameterProviderEntity.getComponent()" is 
> null
>       at 
> org.apache.nifi.cluster.coordination.http.endpoints.ParameterProviderMerger.merge(ParameterProviderMerger.java:32)
>       at 
> org.apache.nifi.cluster.coordination.http.endpoints.ParameterProvidersEndpointMerger.mergeResponses(ParameterProvidersEndpointMerger.java:59)
>       at 
> org.apache.nifi.cluster.coordination.http.endpoints.ParameterProvidersEndpointMerger.mergeResponses(ParameterProvidersEndpointMerger.java:33)
>       at 
> org.apache.nifi.cluster.coordination.http.endpoints.AbstractSingleEntityEndpoint.merge(AbstractSingleEntityEndpoint.java:45)
>       at 
> org.apache.nifi.cluster.coordination.http.StandardHttpResponseMapper.mapResponses(StandardHttpResponseMapper.java:252)
>       at 
> org.apache.nifi.cluster.coordination.http.replication.StandardAsyncClusterResponse.getMergedResponse(StandardAsyncClusterResponse.java:219)
>       at 
> org.apache.nifi.cluster.coordination.http.replication.StandardAsyncClusterResponse.awaitMergedResponse(StandardAsyncClusterResponse.java:236)
>       at 
> org.apache.nifi.web.api.ApplicationResource.replicateNodeResponse(ApplicationResource.java:1042)
>       at 
> org.apache.nifi.web.api.ApplicationResource.replicateNodeResponse(ApplicationResource.java:1014)
>       at 
> org.apache.nifi.web.api.ApplicationResource.replicate(ApplicationResource.java:1005)
>       at 
> org.apache.nifi.web.api.ApplicationResource.replicate(ApplicationResource.java:989)
>       at 
> org.apache.nifi.web.api.ApplicationResource.replicate(ApplicationResource.java:964)
>       at 
> org.apache.nifi.web.api.FlowResource.getParameterProviders(FlowResource.java:774)
>       at 
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
>       at java.base/java.lang.reflect.Method.invoke(Method.java:580)
>       at 
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52)
>       at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:146)
>       at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:189)
>       at 
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:176)
>       at 
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:93)
>       at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:478)
>       at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:400)
>       at 
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81)
>       at 
> org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:274)
>       at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
>       at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
>       at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
>       at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
>       at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
>       at 
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:266)
>       at 
> org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:253)
>       at 
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:696)
>       at 
> org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:397)
>       at 
> org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:349)
>       at 
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:358)
>       at 
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:312)
>       at 
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1379)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHolder.handle(ServletHolder.java:736)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1614)
>       at 
> org.springframework.security.web.FilterChainProxy.lambda$doFilterInternal$3(FilterChainProxy.java:231)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:365)
>       at 
> org.springframework.security.web.access.intercept.AuthorizationFilter.doFilter(AuthorizationFilter.java:100)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:126)
>       at 
> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:120)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.apache.nifi.web.security.log.AuthenticationUserFilter.doFilterInternal(AuthenticationUserFilter.java:57)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.springframework.security.oauth2.server.resource.web.authentication.BearerTokenAuthenticationFilter.doFilterInternal(BearerTokenAuthenticationFilter.java:145)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.apache.nifi.web.security.NiFiAuthenticationFilter.authenticate(NiFiAuthenticationFilter.java:94)
>       at 
> org.apache.nifi.web.security.NiFiAuthenticationFilter.doFilter(NiFiAuthenticationFilter.java:56)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.apache.nifi.web.security.csrf.CsrfCookieFilter.doFilterInternal(CsrfCookieFilter.java:43)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:117)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.apache.nifi.web.security.csrf.SkipReplicatedCsrfFilter.doFilterInternal(SkipReplicatedCsrfFilter.java:59)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:62)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
>       at 
> org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233)
>       at 
> org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191)
>       at 
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
>       at 
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
>       at 
> org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1586)
>       at 
> org.apache.nifi.web.filter.ExceptionFilter.doFilter(ExceptionFilter.java:44)
>       at 
> org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:208)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1586)
>       at 
> org.eclipse.jetty.ee10.servlets.DoSFilter.doFilterChain(DoSFilter.java:462)
>       at 
> org.apache.nifi.web.server.filter.DataTransferExcludedDoSFilter.doFilterChain(DataTransferExcludedDoSFilter.java:51)
>       at 
> org.eclipse.jetty.ee10.servlets.DoSFilter.doFilter(DoSFilter.java:317)
>       at 
> org.eclipse.jetty.ee10.servlets.DoSFilter.doFilter(DoSFilter.java:282)
>       at 
> org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1586)
>       at 
> org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90)
>       at 
> org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1586)
>       at 
> org.apache.nifi.web.server.log.RequestAuthenticationFilter.doFilterInternal(RequestAuthenticationFilter.java:59)
>       at 
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
>       at 
> org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1586)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler$MappedServlet.handle(ServletHandler.java:1547)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletChannel.dispatch(ServletChannel.java:824)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletChannel.handle(ServletChannel.java:436)
>       at 
> org.eclipse.jetty.ee10.servlet.ServletHandler.handle(ServletHandler.java:464)
>       at 
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:575)
>       at 
> org.eclipse.jetty.ee10.servlet.SessionHandler.handle(SessionHandler.java:717)
>       at 
> org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1060)
>       at 
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:181)
>       at 
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:181)
>       at org.eclipse.jetty.server.Server.handle(Server.java:182)
>       at 
> org.eclipse.jetty.server.internal.HttpChannelState$HandlerInvoker.run(HttpChannelState.java:662)
>       at 
> org.eclipse.jetty.util.thread.Invocable$ReadyTask.run(Invocable.java:105)
>       at 
> org.eclipse.jetty.http2.server.internal.HttpStreamOverHTTP2$1.run(HttpStreamOverHTTP2.java:135)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:478)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:441)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:293)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.produce(AdaptiveExecutionStrategy.java:195)
>       at 
> org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:210)
>       at 
> org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:157)
>       at 
> org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:442)
>       at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:99)
>       at 
> org.eclipse.jetty.io.ssl.SslConnection$SslEndPoint.onFillable(SslConnection.java:575)
>       at 
> org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:390)
>       at 
> org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:150)
>       at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:99)
>       at 
> org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:478)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:441)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:293)
>       at 
> org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:201)
>       at 
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:311)
>       at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:979)
>       at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1209)
>       at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1164)
>       at java.base/java.lang.Thread.run(Thread.java:1583) {code}



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