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https://issues.apache.org/jira/browse/NIFIREG-144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kevin Doran resolved NIFIREG-144.
---------------------------------
Resolution: Fixed
Fix Version/s: 0.2.0
Thanks for providing the patch, [~bende].
> NPE when accessing for metadata of 'latest' version and no versions exists
> --------------------------------------------------------------------------
>
> Key: NIFIREG-144
> URL: https://issues.apache.org/jira/browse/NIFIREG-144
> Project: NiFi Registry
> Issue Type: Bug
> Affects Versions: 0.1.0
> Reporter: Bryan Bende
> Assignee: Bryan Bende
> Priority: Minor
> Fix For: 0.2.0
>
>
> {code:java}
> 2018-02-14 10:59:35,879 ERROR [NiFi Registry Web Server-82]
> 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.apache.nifi.registry.service.DataModelMapper.map(DataModelMapper.java:106)
> ~[nifi-registry-framework-0.2.0-SNAPSHOT.jar:0.2.0-SNAPSHOT]
> at
> org.apache.nifi.registry.service.RegistryService.getLatestFlowSnapshotMetadata(RegistryService.java:742)
> ~[nifi-registry-framework-0.2.0-SNAPSHOT.jar:0.2.0-SNAPSHOT]
> at
> org.apache.nifi.registry.service.RegistryService$$FastClassBySpringCGLIB$$274de08.invoke(<generated>)
> ~[nifi-registry-framework-0.2.0-SNAPSHOT.jar:0.2.0-SNAPSHOT]
> at
> org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
> ~[spring-core-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:747)
> ~[spring-aop-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
> ~[spring-aop-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294)
> ~[spring-tx-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)
> ~[spring-tx-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)
> ~[spring-aop-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:689)
> ~[spring-aop-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.apache.nifi.registry.service.RegistryService$$EnhancerBySpringCGLIB$$6e647495.getLatestFlowSnapshotMetadata(<generated>)
> ~[nifi-registry-framework-0.2.0-SNAPSHOT.jar:0.2.0-SNAPSHOT]
> at
> org.apache.nifi.registry.web.api.BucketFlowResource.getLatestFlowVersionMetadata(BucketFlowResource.java:368)
> ~[classes/:na]
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ~[na:1.8.0_144]
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> ~[na:1.8.0_144]
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> ~[na:1.8.0_144]
> at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_144]
> at
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:76)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:148)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:191)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:200)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
> ~[jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
> ~[jersey-server-2.26.jar:na]
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
> [jersey-common-2.26.jar:na]
> at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
> [jersey-common-2.26.jar:na]
> at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
> [jersey-common-2.26.jar:na]
> at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
> [jersey-common-2.26.jar:na]
> at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
> [jersey-common-2.26.jar:na]
> at
> org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
> [jersey-common-2.26.jar:na]
> at
> org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
> [jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:703)
> [jersey-server-2.26.jar:na]
> at
> org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
> [jersey-container-servlet-core-2.26.jar:na]
> at
> org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
> [jersey-container-servlet-core-2.26.jar:na]
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
> [jersey-container-servlet-core-2.26.jar:na]
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
> [jersey-container-servlet-core-2.26.jar:na]
> at
> org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
> [jersey-container-servlet-core-2.26.jar:na]
> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:841)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:119)
> [spring-boot-actuator-2.0.0.M7.jar:2.0.0.M7]
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1621)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1621)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.apache.nifi.registry.web.security.authentication.IdentityFilter.doFilter(IdentityFilter.java:70)
> [classes/:na]
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.apache.nifi.registry.web.security.authentication.IdentityFilter.doFilter(IdentityFilter.java:91)
> [classes/:na]
> at
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178)
> [spring-security-web-5.0.0.RELEASE.jar:5.0.0.RELEASE]
> at
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:357)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:270)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1621)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1621)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:115)
> [spring-boot-2.0.0.M7.jar:2.0.0.M7]
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter.access$000(ErrorPageFilter.java:59)
> [spring-boot-2.0.0.M7.jar:2.0.0.M7]
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter$1.doFilterInternal(ErrorPageFilter.java:90)
> [spring-boot-2.0.0.M7.jar:2.0.0.M7]
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> [spring-web-5.0.2.RELEASE.jar:5.0.2.RELEASE]
> at
> org.springframework.boot.web.servlet.support.ErrorPageFilter.doFilter(ErrorPageFilter.java:108)
> [spring-boot-2.0.0.M7.jar:2.0.0.M7]
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1621)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:541)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
> [jetty-security-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1593)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1239)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:481)
> [jetty-servlet-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1562)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1141)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:118)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at org.eclipse.jetty.server.Server.handle(Server.java:564)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
> [jetty-server-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
> [jetty-io-9.4.3.v20170317.jar:9.4.3.v20170317]
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
> [jetty-io-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:258)
> [jetty-io-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:147)
> [jetty-io-9.4.3.v20170317.jar:9.4.3.v20170317]
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
> [jetty-io-9.4.3.v20170317.jar:9.4.3.v20170317]
> at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
> [jetty-io-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.util.thread.Invocable.invokePreferred(Invocable.java:122)
> [jetty-util-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.util.thread.strategy.ExecutingExecutionStrategy.invoke(ExecutingExecutionStrategy.java:58)
> [jetty-util-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:201)
> [jetty-util-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:133)
> [jetty-util-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:672)
> [jetty-util-9.4.3.v20170317.jar:9.4.3.v20170317]
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:590)
> [jetty-util-9.4.3.v20170317.jar:9.4.3.v20170317]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_144]{code}
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