Unserializable FluentBackoff cause null pointer exception in Dataflow Runner #417
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ches
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Jan 8, 2020
| @@ -11,7 +11,7 @@ | |||
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| public class BackOffExecutor implements Serializable { | |||
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| private static FluentBackoff backoff; | |||
| private FluentBackoff backoff; | |||
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Maybe it was meant to be final instead? Seems like it can be.
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/lgtm |
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/retest |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: khorshuheng, zhilingc The full list of commands accepted by this bot can be found here. The pull request process is described here
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Backoff variable has been mistakenly assigned the static modifier. This doesn't affect DirectRunner, but on Dataflow Runner this seems to result in Nullpointer exception.
Edited: FluentBackoff shouldn't have been setup on the constructor, as it is unserializable. Passing the backoff as function argument fixed this. Thanks to @zhilingc for helping me to identify this.