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https://issues.apache.org/jira/browse/NIFI-1378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15092482#comment-15092482
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Joseph Witt commented on NIFI-1378:
-----------------------------------
ok thanks. Will comment on that idea if you end up kicking off another JIRA.
Long story short we must consider the lifecycle of validation and when it can
be of most use to the user/etc.. Basically a discussion along the lines of
'compile time' vs 'runtime' checking.
> GetJMSQueue throws NPE with invalid URL
> ---------------------------------------
>
> Key: NIFI-1378
> URL: https://issues.apache.org/jira/browse/NIFI-1378
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 0.4.1
> Reporter: Joseph Witt
> Assignee: Joseph Witt
> Fix For: 0.5.0
>
> Attachments:
> 0001-NIFI-1378-added-validator-to-ensure-the-JMS-URI-has-.patch
>
>
> GetJMSQueue throws an NPE. Easily reproduced even without an actual JMS
> broker setup. Use a URL of 'localhost' and some bogus topic.
> {quote}
> 2016-01-10 01:20:23,430 WARN [Timer-Driven Process Thread-3]
> o.a.n.c.t.ContinuallyRunProcessorTask Administratively Yielding
> GetJMSQueue[id=e1ce5a1b-818a-4b84-b913-7
> 16e9206c73e] due to uncaught Exception: java.lang.NullPointerException
> 2016-01-10 01:20:23,431 WARN [Timer-Driven Process Thread-3]
> o.a.n.c.t.ContinuallyRunProcessorTask
> java.lang.NullPointerException: null
> at
> org.apache.nifi.processors.standard.util.JmsFactory.createConnectionFactory(JmsFactory.java:366)
> ~[na:na]
> at
> org.apache.nifi.processors.standard.util.JmsFactory.createConnection(JmsFactory.java:111)
> ~[na:na]
> at
> org.apache.nifi.processors.standard.util.JmsFactory.createConnection(JmsFactory.java:104)
> ~[na:na]
> at
> org.apache.nifi.processors.standard.util.JmsFactory.createQueueMessageConsumer(JmsFactory.java:239)
> ~[na:na]
> at
> org.apache.nifi.processors.standard.GetJMSQueue.onTrigger(GetJMSQueue.java:63)
> ~[na:na]
> at
> org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
> ~[nifi-api-1.1.1.0-12.jar:1.1.1.0-12]
> at
> org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1146)
> ~[nifi-framework-core-1.1.1.0-12.jar:1.1.1.0-12]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:139)
> [nifi-framework-core-1.1.1.0-12.jar:1.1.1.0-12]
> at
> org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:49)
> [nifi-framework-core-1.1.1.0-12.jar:1.1.1.0-12]
> at
> org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:119)
> [nifi-framework-core-1.1.1.0-12.jar:1.1.1.0-12]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> [na:1.7.0_79]
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
> [na:1.7.0_79]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
> [na:1.7.0_79]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
> [na:1.7.0_79]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_79]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_79]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_79]
> {quote}
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