[jira] [Updated] (ASTERIXDB-1251) NPE at NC startup after upgrade

["Yingyi Bu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ASTERIXDB-1251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yingyi Bu updated ASTERIXDB-1251:
---------------------------------
    Component/s: Metadata

> NPE at NC startup after upgrade
> -------------------------------
>
>                 Key: ASTERIXDB-1251
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1251
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: Metadata
>            Reporter: Yingyi Bu
>            Assignee: Murtadha Hubail
>
> I upgraded my instance to latest master but got this exception:
> {noformat}
> java.lang.NullPointerException
>         at org.apache.asterix.metadata.bootstrap.MetadataBootstrap.enlistMetadataDataset(MetadataBootstrap.java:412)
>         at org.apache.asterix.metadata.bootstrap.MetadataBootstrap.startUniverse(MetadataBootstrap.java:199)
>         at org.apache.asterix.hyracks.bootstrap.NCApplicationEntryPoint.notifyStartupComplete(NCApplicationEntryPoint.java:235)
>         at org.apache.hyracks.control.nc.NodeControllerService.start(NodeControllerService.java:311)
>         at org.apache.hyracks.control.nc.NCDriver.main(NCDriver.java:48)
> {noformat}
> It seems related to the recent global resource id changes.  
> But failing the instance forever seems not the right answer for that case. To me, the bottomline is that the instance can at least start (with warnings in the log saying which datasets are lost) though the old data could lose, so that a user doesn't need to reinstall a new instance.



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