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https://issues.apache.org/jira/browse/NIFI-5609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621153#comment-16621153
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ASF GitHub Bot commented on NIFI-5609:
--------------------------------------
GitHub user markap14 opened a pull request:
https://github.com/apache/nifi/pull/3012
NIFI-5609: Fixed NullPointer when attempting to view status history f…
…or a component that has not yet run
Thank you for submitting a contribution to Apache NiFi.
In order to streamline the review of the contribution we ask you
to ensure the following steps have been taken:
### For all changes:
- [ ] Is there a JIRA ticket associated with this PR? Is it referenced
in the commit message?
- [ ] Does your PR title start with NIFI-XXXX where XXXX is the JIRA number
you are trying to resolve? Pay particular attention to the hyphen "-" character.
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### Note:
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/markap14/nifi NIFI-5609
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/3012.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3012
----
commit dc0cacf8c5476d53b531eb5323ff645fcd20d7c8
Author: Mark Payne <markap14@...>
Date: 2018-09-19T20:17:29Z
NIFI-5609: Fixed NullPointer when attempting to view status history for a
component that has not yet run
----
> 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
> Priority: Major
>
> 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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