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https://issues.apache.org/jira/browse/STORM-3211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16958286#comment-16958286
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Eduardo Pinto commented on STORM-3211:
--------------------------------------

Hi [~srdo], this does not seem to apply anymore, does it?

> WindowedBoltExecutor NPE if wrapped bolt returns null from 
> getComponentConfiguration
> ------------------------------------------------------------------------------------
>
>                 Key: STORM-3211
>                 URL: https://issues.apache.org/jira/browse/STORM-3211
>             Project: Apache Storm
>          Issue Type: Task
>          Components: storm-client, storm-core
>    Affects Versions: 2.0.0, 1.2.2
>            Reporter: Stig Rohde Døssing
>            Priority: Major
>              Labels: newbie
>
> {code}
> Exception in thread "main" java.lang.NullPointerException
>     at 
> org.apache.storm.topology.WindowedBoltExecutor.declareOutputFields(WindowedBoltExecutor.java:309)
>     at 
> org.apache.storm.topology.TopologyBuilder.getComponentCommon(TopologyBuilder.java:432)
>     at 
> org.apache.storm.topology.TopologyBuilder.createTopology(TopologyBuilder.java:120)
>     at Main.main(Main.java:23)
> {code}



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