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https://issues.apache.org/jira/browse/CASSANDRA-1028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis reopened CASSANDRA-1028:
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Getting this again / still in latest trunk:
[junit] Exception in thread "AE-SERVICE-STAGE:1"
java.lang.NullPointerException
[junit] at
java.util.AbstractCollection.addAll(AbstractCollection.java:303)
[junit] at
org.apache.cassandra.service.AntiEntropyService.getNeighbors(AntiEntropyService.java:164)
[junit] at
org.apache.cassandra.service.AntiEntropyService.rendezvous(AntiEntropyService.java:184)
[junit] at
org.apache.cassandra.service.AntiEntropyService.access$100(AntiEntropyService.java:84)
[junit] at
org.apache.cassandra.service.AntiEntropyService$TreeResponseVerbHandler.doVerb(AntiEntropyService.java:684)
[junit] at
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:41)
[junit] at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
[junit] at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
[junit] at java.lang.Thread.run(Thread.java:637)
> NPE in AntiEntropyService.getNeighbors
> --------------------------------------
>
> Key: CASSANDRA-1028
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1028
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Stu Hood
> Fix For: 0.7
>
> Attachments: 0001-Clear-AES-before-begininning-the-next-test.patch
>
>
> Sometimes, but not always, I see this during a test run:
> [junit] Testsuite: org.apache.cassandra.service.AntiEntropyServiceTest
> [junit] Tests run: 10, Failures: 0, Errors: 0, Time elapsed: 3.189 sec
> [junit]
> [junit] ------------- Standard Error -----------------
> [junit] ERROR 10:19:09,743 Error in executor futuretask
> [junit] java.util.concurrent.ExecutionException:
> java.lang.NullPointerException
> [junit] at
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
> [junit] at java.util.concurrent.FutureTask.get(FutureTask.java:83)
> [junit] at
> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:87)
> [junit] at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:888)
> [junit] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> [junit] at java.lang.Thread.run(Thread.java:637)
> [junit] Caused by: java.lang.NullPointerException
> [junit] at
> java.util.AbstractCollection.addAll(AbstractCollection.java:303)
> [junit] at
> org.apache.cassandra.service.AntiEntropyService.getNeighbors(AntiEntropyService.java:151)
> [junit] at
> org.apache.cassandra.service.AntiEntropyService.rendezvous(AntiEntropyService.java:176)
> [junit] at
> org.apache.cassandra.service.AntiEntropyService.access$100(AntiEntropyService.java:86)
> [junit] at
> org.apache.cassandra.service.AntiEntropyService$Validator.call(AntiEntropyService.java:487)
> [junit] at
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> [junit] at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> [junit] at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> [junit] ... 2 more
> [junit] ------------- ---------------- ---------------
> Ideally it would be nice if this could cause an actual test failure when it
> happens. Not sure how feasible that is.
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