[#QB-2027] NullPointerException in GridImpl.execute()

QuickBuild

NullPointerException in GridImpl.execute()

Created: 17/Apr/14 07:28 AM Updated: 19/Apr/14 03:03 AM

Component/s:

None

Affects Version/s:

5.1.21

Fix Version/s:

5.1.22

Original Estimate:

Unknown

Remaining Estimate:

Unknown

Time Spent:

Unknown

Description

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The following output in build log:

09:07:01,865 [master@lnz-ta-ub12-qb01:8811] INFO - Executing post-execute action...
09:07:02,038 [@EMEA-LNZ-BS001:8810] ERROR - Build is failed.
    java.lang.RuntimeException: Error executing checkout build finish job.
        at com.pmease.quickbuild.repositorysupport.CheckoutBuildFinishTask.reduce(CheckoutBuildFinishTask.java:35)
        at com.pmease.quickbuild.repositorysupport.CheckoutBuildFinishTask.reduce(CheckoutBuildFinishTask.java:24)
        at com.pmease.quickbuild.grid.GridTaskFuture.get(GridTaskFuture.java:95)
        at com.pmease.quickbuild.grid.GridTaskFuture.get(GridTaskFuture.java:100)
        at com.pmease.quickbuild.DefaultBuildEngine.run(DefaultBuildEngine.java:528)
        at com.pmease.quickbuild.DefaultBuildEngine.process(DefaultBuildEngine.java:379)
        at com.pmease.quickbuild.DefaultBuildEngine.access$000(DefaultBuildEngine.java:130)
        at com.pmease.quickbuild.DefaultBuildEngine$2.run(DefaultBuildEngine.java:1058)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)
    Caused by: java.lang.NullPointerException
        at com.pmease.quickbuild.grid.GridImpl.execute(GridImpl.java:86)
        ... 9 more

Seems to be pretty weird.

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Robin Shen [17/Apr/14 08:40 AM]

For some reason, the node performing checkout step goes offline after build finishes, and this causes NPE as QB wants to do some cleanup work on that node before finishing a build. The NPE is confusing and we will improve the error message to make it clear.