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From Bryan Bende <bbe...@gmail.com>
Subject Re: Regarding NiFi Registry
Date Tue, 18 Feb 2020 19:35:55 GMT
There is a good chance it is related to Windows which is not currently
supported [1].

Can you trying running on a unix-based environment?

[1] https://nifi.apache.org/docs/nifi-registry-docs/html/administration-guide.html#system-requirements

On Tue, Feb 18, 2020 at 2:28 PM Ashutosh Vaish
<ashutoshvaish6397@gmail.com> wrote:
>
> Hi Team,
>
> I'm working with NiFi Registry, NiFi 1.9.2. I have connected the registry
> to my github repository. I am able to push the changes into the repo but
> I'm not able to change the version of the flow and see local changes. I
> receive Internal 500 error whenever performing these operations.
>
> I'm using Windows, kindly help me with this issue.
>
> The server logs are below
>
> 2020-02-19 00:45:11,178 ERROR [NiFi Registry Web Server-15]
> o.a.n.r.web.mapper.ThrowableMapper An unexpected error has occurred:
> java.lang.NullPointerException. Returning Internal Server Error response.
> java.lang.NullPointerException: null
> at org.eclipse.jgit.lib.Repository.resolve(Repository.java:528)
> at org.eclipse.jgit.lib.Repository.resolve(Repository.java:489)
> at
> org.apache.nifi.registry.provider.flow.git.GitFlowMetaData.getContent(GitFlowMetaData.java:447)
> at
> org.apache.nifi.registry.provider.flow.git.GitFlowPersistenceProvider.getFlowContent(GitFlowPersistenceProvider.java:192)
> at
> org.apache.nifi.registry.service.RegistryService.getVersionedFlowSnapshot(RegistryService.java:784)
> at
> org.apache.nifi.registry.service.RegistryService.getFlowSnapshot(RegistryService.java:769)
> at
> org.apache.nifi.registry.service.RegistryService$$FastClassBySpringCGLIB$$274de08.invoke(<generated>)
> at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
> at
> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:749)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
> at
> org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:295)
> at
> org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
> at
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)
> at
> org.apache.nifi.registry.service.RegistryService$$EnhancerBySpringCGLIB$$94d00873.getFlowSnapshot(<generated>)
> at
> org.apache.nifi.registry.web.api.BucketFlowResource.getFlowVersion(BucketFlowResource.java:468)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
> at
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:200)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
> at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
> at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
> at
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
> at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
> at
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703)
> at
> org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
> at
> org.glassfish.jersey.servlet.ServletContainer.serviceImpl(ServletContainer.java:409)
> at
> org.glassfish.jersey.servlet.ServletContainer.doFilter(ServletContainer.java:584)
> at
> org.glassfish.jersey.servlet.ServletContainer.doFilter(ServletContainer.java:525)
> at
> org.glassfish.jersey.servlet.ServletContainer.doFilter(ServletContainer.java:462)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
> at
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:109)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
> at
> org.apache.nifi.registry.web.security.authorization.ResourceAuthorizationFilter.forwardRequestWithoutAuthorizationCheck(ResourceAuthorizationFilter.java:151)
> at
> org.apache.nifi.registry.web.security.authorization.ResourceAuthorizationFilter.doFilter(ResourceAuthorizationFilter.java:113)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> at
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
> at
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> at
> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> at
> org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> at
> org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> at
> org.apache.nifi.registry.web.security.authentication.IdentityFilter.doFilter(IdentityFilter.java:70)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> at
> org.apache.nifi.registry.web.security.authentication.IdentityFilter.doFilter(IdentityFilter.java:91)
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> at
> org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
> at
> org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
> at
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
> at
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:128)
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:66)
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:103)
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:109)
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:121)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
> at
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:109)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1711)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1347)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1678)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1249)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> at org.eclipse.jetty.server.Server.handle(Server.java:505)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
> at
> org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:427)
> at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:321)
> at
> org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:159)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
> at
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
> at
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:781)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:917)
> at java.lang.Thread.run(Unknown Source)
>
> Thank you,
> Ashutosh Vaish

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