Details
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Bug
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Resolution: Fixed
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Highest
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6.6.17, 6.15.10, 7.1.2, 7.2.2, 7.3.1, 7.4.0, 7.5.2, 7.8.0, 7.8.3, 7.13.2
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44
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Severity 2 - Major
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157
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Description
Issue Summary
We have observed Null Pointer Exception in the logs after checking and unchecking an inline task on a Confluence page
Steps to Reproduce
- Start a new confluence instance
- Create a new page
- Add a task, check it, assign it to a user (e.g. @admin)
- Publish the new page
- On the resulting page view: uncheck the new task again
Expected Results
Confluence processes the unchecking without error.
Actual Results
Tasks checking and unchecking is not properly processed and tasks appear to be checked and unchecked at random, without any user input.
The below Null pointer exception is thrown in the Atlassian-confluence.log file:
2020-02-18 12:54:35,239 ERROR [http-nio-6731-exec-5] [atlassian.confluence.event.ConfluenceEventDispatcher] run There was an exception thrown trying to dispatch event [ConfluenceTaskUpdateEvent{user=ConfluenceUserImpl{name='admin', key=2c9db0e37044255101704425d5ae0000}, task=Task [globalId=0, id=1, contentId=950279, taskStatus=UNCHECKED, title=Test Task admin http://localhost:6731/c731/display/~admin, description=, body=<span class="placeholder-inline-tasks">Test Task <ac:link><ri:user ri:userkey="2c9db0e37044255101704425d5ae0000" /></ac:link> </span>, creator=null, assignee=admin, createDate=null, dueDate=null, updateDate=null, completeUser=null, completeDate=null]}] from the invoker [SingleParameterMethodListenerInvoker{method=public void com.atlassian.mywork.providers.confluence.ConfluenceTasksEventListener.onTaskUpdatedEvent(com.atlassian.confluence.plugins.tasklist.event.ConfluenceTaskUpdateEvent), listener=com.atlassian.mywork.providers.confluence.ConfluenceTasksEventListener@2c7e7} (timed)]
-- referer: http://localhost:6731/c731/display/AAM/Task+test | url: /c731/rest/inlinetasks/1/task/950279/1/ | traceId: 79d4595f5b1f42d1 | userName: admin
java.lang.RuntimeException: Listener: com.atlassian.mywork.providers.confluence.ConfluenceTasksEventListener event: com.atlassian.confluence.plugins.tasklist.event.ConfluenceTaskUpdateEvent
at com.atlassian.event.internal.SingleParameterMethodListenerInvoker.invoke(SingleParameterMethodListenerInvoker.java:52)
....
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.NullPointerException
at com.atlassian.mywork.model.TaskBuilder.<init>(TaskBuilder.java:39)
at com.atlassian.mywork.host.service.LocalTaskServiceImpl.lambda$markIncomplete$1(LocalTaskServiceImpl.java:90)
Workaround
Currently, there is no known workaround for this behavior. A workaround will be added here when available
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