Hello Team,

I am running into an issue when running on a three node cluster.  If the ui is 
brought up on one of the non-primary nodes, and refreshed, it give an error:

Invalid State
Current state = CODING_END, new state = CODING

I am interested if others see anything similar.

Code was compiled and run on RHEL8 with java-21-openjdk-21.0.5

The nifi-user log has this:

2024-12-20 14:56:55,456 WARN [NiFi Web Server-156] 
o.a.n.w.a.c.IllegalStateExceptionMapper java.lang.IllegalStateException: 
Current state = CODING_END, new state = CODING. Returning Conflict 
response.java.lang.IllegalStateException: Current state = CODING_END, new state 
= CODING        at 
java.base/java.nio.charset.CharsetEncoder.throwIllegalStateException(CharsetEncoder.java:1012)
        at 
java.base/java.nio.charset.CharsetEncoder.canEncode(CharsetEncoder.java:924)    
    at 
java.base/java.nio.charset.CharsetEncoder.canEncode(CharsetEncoder.java:1005)   
     at 
org.apache.nifi.security.proxied.entity.StandardProxiedEntityEncoder.getSanitizedIdentity(StandardProxiedEntityEncoder.java:76)
        at 
org.apache.nifi.security.proxied.entity.StandardProxiedEntityEncoder.getEncodedEntity(StandardProxiedEntityEncoder.java:64)
        at 
java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
        at 
java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708)
        at 
java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) 
       at 
java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
        at 
java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
        at 
java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) 
       at 
java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
        at 
org.apache.nifi.web.security.ProxiedEntitiesUtils.buildProxiedEntitiesChainString(ProxiedEntitiesUtils.java:114)
        at 
org.apache.nifi.cluster.coordination.http.replication.ThreadPoolRequestReplicator.updateRequestHeaders(ThreadPoolRequestReplicator.java:249)
        at 
org.apache.nifi.cluster.coordination.http.replication.ThreadPoolRequestReplicator.forwardToCoordinator(ThreadPoolRequestReplicator.java:333)
        at 
org.apache.nifi.cluster.coordination.http.replication.ThreadPoolRequestReplicator.forwardToCoordinator(ThreadPoolRequestReplicator.java:324)
        at 
org.apache.nifi.web.api.ApplicationResource.replicateNodeResponse(ApplicationResource.java:1039)
        at 
org.apache.nifi.web.api.ApplicationResource.replicateNodeResponse(ApplicationResource.java:1008)
        at 
org.apache.nifi.web.api.ApplicationResource.replicate(ApplicationResource.java:999)
        at 
org.apache.nifi.web.api.ApplicationResource.replicate(ApplicationResource.java:983)
        at 
org.apache.nifi.web.api.ApplicationResource.replicate(ApplicationResource.java:958)
        at org.apache.nifi.web.api.FlowResource.getFlow(FlowResource.java:499)  
      at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)        at 
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$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$ChainEnd.doFilter(ServletHandler.java:1619)
        at 
org.springframework.security.web.FilterChainProxy.lambda$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:101)
        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$Chain.doFilter(ServletHandler.java:1591)
        at 
org.apache.nifi.web.filter.ExceptionFilter.doFilter(ExceptionFilter.java:44)    
    at 
org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:208)     
   at 
org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1591)
        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$Chain.doFilter(ServletHandler.java:1591)
        at 
org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90)
        at 
org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75)
        at 
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
        at 
org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205)     
   at 
org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1591)
        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$Chain.doFilter(ServletHandler.java:1591)
        at 
org.eclipse.jetty.ee10.servlet.ServletHandler$MappedServlet.handle(ServletHandler.java:1552)
        at 
org.eclipse.jetty.ee10.servlet.ServletChannel.dispatch(ServletChannel.java:819) 
       at 
org.eclipse.jetty.ee10.servlet.ServletChannel.handle(ServletChannel.java:436)   
     at 
org.eclipse.jetty.ee10.servlet.ServletHandler.handle(ServletHandler.java:469)   
     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:175)       
 at 
org.eclipse.jetty.http2.server.internal.HttpStreamOverHTTP2$1.run(HttpStreamOverHTTP2.java:135)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:480)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:443)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:293)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.produce(AdaptiveExecutionStrategy.java:195)
        at 
org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:209)       
 at 
org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:156)    
    at 
org.eclipse.jetty.http2.HTTP2Connection$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$1.run(SelectableChannelEndPoint.java:53)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:480)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:443)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:293)
        at 
org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:201)
        at 
org.eclipse.jetty.util.thread.ReservedThreadExecutor$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)


    On Thursday, December 19, 2024 at 09:02:34 PM UTC, David Handermann 
<exceptionfact...@apache.org> wrote:  
 
 Team,

I am pleased to be calling this vote for the source release of Apache
NiFi 2.1.0.

Please review the following guide for how to verify a release candidate build:

https://cwiki.apache.org/confluence/display/NIFI/Release+Candidate+Verification

The source being voted on the and the convenience binaries are
available on the Apache Distribution Repository:

https://dist.apache.org/repos/dist/dev/nifi/nifi-2.1.0

The build artifacts are available on the Apache Nexus Repository:

https://repository.apache.org/content/repositories/orgapachenifi-1303/

Git Tag: nifi-2.1.0-RC2
Git Commit ID: 2f91793272f48efb80d18a01d7086f406b6d9968
GitHub Commit Link:
https://github.com/apache/nifi/commit/2f91793272f48efb80d18a01d7086f406b6d9968

Checksums of nifi-2.1.0-source-release.zip

SHA512: 
374227bbdf9df45ce30266d1e5d86fbd022f88876ac765a29b65dde3f9da7f675cf4e4e313e9b6f77067b73ea7a7cc82ce4599cac04b7a38175c81e46ef1ed2d

Release artifacts are signed with the following key:

https://people.apache.org/keys/committer/exceptionfactory.asc

KEYS file is available on the Apache Distribution Repository:

https://dist.apache.org/repos/dist/release/nifi/KEYS

Issues resolved for this version: 88

https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12355215

Release note highlights can be found on the project wiki:

https://cwiki.apache.org/confluence/display/NIFI/Release+Notes#ReleaseNotes-Version2.1.0

The vote will be open for 72 hours.

Please download the release candidate and evaluate the necessary items
including checking hashes, signatures, build from source, and test.
Then please vote:

[] +1 Release this package as nifi-2.1.0
[] +0 no opinion
[] -1 Do not release this package because...
  

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