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Mark Payne commented on NIFI-2634: ---------------------------------- Excellent, thanks, Joe! I should be able to kick out a PR for this in just a bit. > Cannot import template from 0.x that contains Remote Process Group > ------------------------------------------------------------------ > > Key: NIFI-2634 > URL: https://issues.apache.org/jira/browse/NIFI-2634 > Project: Apache NiFi > Issue Type: Bug > Reporter: Joseph Percivall > Assignee: Mark Payne > Priority: Blocker > Fix For: 1.0.0 > > > As a user, when attempting to add a template from 0.x that contains an RPG to > the graph I get a screen saying "unexpected error". After returning to the > canvas, all the processors were added to the graph but there are not process > groups, connections or remote process groups. In the user logs there is the > below exception. > I believe this is due to the template not having the type of RPG (raw vs > http). > 2016-08-23 10:03:41,157 ERROR [NiFi Web Server-138] > o.a.nifi.web.api.config.ThrowableMapper An unexpected error has occurred: > java.lang.NullPointerException: Name is null. Returning Internal Server Error > response. > java.lang.NullPointerException: Name is null > at java.lang.Enum.valueOf(Enum.java:236) ~[na:1.8.0_74] > at > org.apache.nifi.remote.protocol.SiteToSiteTransportProtocol.valueOf(SiteToSiteTransportProtocol.java:19) > ~[nifi-site-to-site-client-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT] > at > org.apache.nifi.controller.FlowController.instantiateSnippet(FlowController.java:1744) > ~[nifi-framework-core-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT] > at > org.apache.nifi.web.dao.impl.StandardTemplateDAO.instantiateTemplate(StandardTemplateDAO.java:134) > ~[classes/:na] > at > org.apache.nifi.web.StandardNiFiServiceFacade.createTemplateInstance(StandardNiFiServiceFacade.java:1727) > ~[classes/:1.0.0-SNAPSHOT] > at > org.apache.nifi.web.StandardNiFiServiceFacade$$FastClassBySpringCGLIB$$358780e0.invoke(<generated>) > ~[classes/:1.0.0-SNAPSHOT] > at > org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) > ~[spring-core-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:720) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:85) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.apache.nifi.web.NiFiServiceFacadeLock.createLock(NiFiServiceFacadeLock.java:41) > ~[classes/:1.0.0-SNAPSHOT] > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > ~[na:1.8.0_74] > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > ~[na:1.8.0_74] > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > ~[na:1.8.0_74] > at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_74] > at > org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:68) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:655) > ~[spring-aop-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.apache.nifi.web.StandardNiFiServiceFacade$$EnhancerBySpringCGLIB$$3ebe455f.createTemplateInstance(<generated>) > ~[classes/:1.0.0-SNAPSHOT] > at > org.apache.nifi.web.api.ProcessGroupResource.instantiateTemplate(ProcessGroupResource.java:1797) > ~[classes/:na] > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > ~[na:1.8.0_74] > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > ~[na:1.8.0_74] > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > ~[na:1.8.0_74] > at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_74] > at > com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84) > ~[jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542) > [jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473) > [jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419) > [jersey-server-1.19.jar:1.19] > at > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409) > [jersey-server-1.19.jar:1.19] > at > com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409) > [jersey-servlet-1.19.jar:1.19] > at > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558) > [jersey-servlet-1.19.jar:1.19] > at > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733) > [jersey-servlet-1.19.jar:1.19] > at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) > [javax.servlet-api-3.1.0.jar:3.1.0] > at > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:845) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1689) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:51) > [jetty-servlets-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.apache.nifi.web.filter.RequestLogger.doFilter(RequestLogger.java:66) > [classes/:na] > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:122) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.apache.nifi.web.security.NiFiAuthenticationFilter.doFilter(NiFiAuthenticationFilter.java:59) > [nifi-web-security-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT] > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.apache.nifi.web.security.NiFiAuthenticationFilter.doFilter(NiFiAuthenticationFilter.java:59) > [nifi-web-security-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT] > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.apache.nifi.web.security.NiFiAuthenticationFilter.authenticate(NiFiAuthenticationFilter.java:83) > [nifi-web-security-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT] > at > org.apache.nifi.web.security.NiFiAuthenticationFilter.doFilter(NiFiAuthenticationFilter.java:57) > [nifi-web-security-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT] > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176) > [spring-security-web-4.0.3.RELEASE.jar:4.0.3.RELEASE] > at > org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) > [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) > [spring-web-4.2.4.RELEASE.jar:4.2.4.RELEASE] > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1676) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at org.apache.nifi.web.filter.TimerFilter.doFilter(TimerFilter.java:51) > [classes/:na] > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) > [jetty-security-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1174) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511) > [jetty-servlet-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1106) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at org.eclipse.jetty.server.Server.handle(Server.java:524) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:319) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:253) > [jetty-server-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273) > [jetty-io-9.3.9.v20160517.jar:9.3.9.v20160517] > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) > [jetty-io-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:186) > [jetty-io-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273) > [jetty-io-9.3.9.v20160517.jar:9.3.9.v20160517] > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95) > [jetty-io-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) > [jetty-io-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) > [jetty-util-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) > [jetty-util-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) > [jetty-util-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) > [jetty-util-9.3.9.v20160517.jar:9.3.9.v20160517] > at > org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) > [jetty-util-9.3.9.v20160517.jar:9.3.9.v20160517] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_74] -- This message was sent by Atlassian JIRA (v6.3.4#6332)