Eric Secules created NIFI-7622:
----------------------------------
Summary: updateParameterContext NullPointerException on
StandardProcessGroup.java:4220
Key: NIFI-7622
URL: https://issues.apache.org/jira/browse/NIFI-7622
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 1.11.4
Reporter: Eric Secules
I am getting this null pointer exception when importing one versioned flow
which contains another versioned flow and each uses different parameter
contexts.
This error is blocking me from developing flows which comprise common
components and project-specific components that use their own parameter
contexts.
{code:java}
2020-07-09 05:33:10,414 ERROR [NiFi Web Server-86]
o.a.nifi.web.api.config.ThrowableMapper An unexpected error has occurred:
java.lang.NullPointerException. Returning Internal Server Error response.
java.lang.NullPointerException: null
at
org.apache.nifi.groups.StandardProcessGroup.updateParameterContext(StandardProcessGroup.java:4220)
at
org.apache.nifi.groups.StandardProcessGroup.updateProcessGroup(StandardProcessGroup.java:3754)
at
org.apache.nifi.groups.StandardProcessGroup.addProcessGroup(StandardProcessGroup.java:4324)
at
org.apache.nifi.groups.StandardProcessGroup.updateProcessGroup(StandardProcessGroup.java:3876)
at
org.apache.nifi.groups.StandardProcessGroup.addProcessGroup(StandardProcessGroup.java:4324)
at
org.apache.nifi.groups.StandardProcessGroup.updateProcessGroup(StandardProcessGroup.java:3876)
at
org.apache.nifi.groups.StandardProcessGroup.addProcessGroup(StandardProcessGroup.java:4324)
at
org.apache.nifi.groups.StandardProcessGroup.updateProcessGroup(StandardProcessGroup.java:3876)
at
org.apache.nifi.groups.StandardProcessGroup.updateFlow(StandardProcessGroup.java:3653)
at
org.apache.nifi.web.dao.impl.StandardProcessGroupDAO.updateProcessGroupFlow(StandardProcessGroupDAO.java:408)
at
org.apache.nifi.web.dao.impl.StandardProcessGroupDAO$$FastClassBySpringCGLIB$$10a99b47.invoke(<generated>)
at
org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at
org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:736)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at
org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:84)
at
org.apache.nifi.audit.ProcessGroupAuditor.updateProcessGroupFlowAdvice(ProcessGroupAuditor.java:313)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:627)
at
org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:616)
at
org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at
org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at
org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:671)
at
org.apache.nifi.web.dao.impl.StandardProcessGroupDAO$$EnhancerBySpringCGLIB$$202f172f.updateProcessGroupFlow(<generated>)
at
org.apache.nifi.web.StandardNiFiServiceFacade$14.update(StandardNiFiServiceFacade.java:5044)
at
org.apache.nifi.web.revision.NaiveRevisionManager.updateRevision(NaiveRevisionManager.java:117)
at
org.apache.nifi.web.StandardNiFiServiceFacade.updateProcessGroupContents(StandardNiFiServiceFacade.java:5040)
at
org.apache.nifi.web.StandardNiFiServiceFacade$$FastClassBySpringCGLIB$$358780e0.invoke(<generated>)
at
org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at
org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:736)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at
org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:84)
at
org.apache.nifi.web.NiFiServiceFacadeLock.proceedWithWriteLock(NiFiServiceFacadeLock.java:179)
at
org.apache.nifi.web.NiFiServiceFacadeLock.updateLock(NiFiServiceFacadeLock.java:66)
at sun.reflect.GeneratedMethodAccessor566.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
{code}
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