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https://issues.apache.org/jira/browse/NIFI-5609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Matt Burgess reassigned NIFI-5609:
----------------------------------
Assignee: Matt Burgess
> NPE thrown if user attempts to view Status History too early
> ------------------------------------------------------------
>
> Key: NIFI-5609
> URL: https://issues.apache.org/jira/browse/NIFI-5609
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Matt Burgess
> Priority: Major
> Fix For: 1.8.0
>
>
> I started NiFi and then quickly went to the UI and right-clicked on a
> processor and tried to view Status History. I got back an error. The
> user-logs show the following (partial) stack trace:
> {code:java}
> 2018-09-19 13:20:19,928 ERROR [NiFi Web Server-24]
> 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.controller.status.history.StatusHistoryUtil.createStatusHistoryDTO(StatusHistoryUtil.java:39)
> at
> org.apache.nifi.controller.FlowController.getProcessorStatusHistory(FlowController.java:5066)
> at
> org.apache.nifi.controller.FlowController.getProcessorStatusHistory(FlowController.java:5062)
> at
> org.apache.nifi.web.controller.ControllerFacade.getProcessorStatusHistory(ControllerFacade.java:299)
> at
> org.apache.nifi.web.controller.ControllerFacade$$FastClassBySpringCGLIB$$5a42ba54.invoke(<generated>)
> at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
> at
> org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
> at
> org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
> at
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
> at
> org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
> at
> org.apache.nifi.web.controller.ControllerFacade$$EnhancerBySpringCGLIB$$8aeed060.getProcessorStatusHistory(<generated>)
> at
> org.apache.nifi.web.StandardNiFiServiceFacade.getProcessorStatusHistory(StandardNiFiServiceFacade.java:2950)
> 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:738){code}
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