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https://issues.apache.org/jira/browse/FLINK-4845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-4845.
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Resolution: Fixed
Fixed in d1fea26461c45cde6b03a2dfc5e3f41f18b4a2c5
> Fix Job Exceptions page
> -----------------------
>
> Key: FLINK-4845
> URL: https://issues.apache.org/jira/browse/FLINK-4845
> Project: Flink
> Issue Type: Bug
> Components: Webfrontend
> Affects Versions: 1.2.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Fix For: 1.2.0
>
>
> The job exceptions page in the WebFrontend is currently broken, displaying
> (null) for every task even if no exception has occurred.
> The JobExceptionsHandlers checks whether an exception has occurred, and thus
> displayed, by checking whether the rootException is null. This worked until
> recently since we worked directly on Throwables, this was jhowever changed to
> stringified version of the exceptions. This had the side-effect that the
> exception is now never null, but "(null)", leading the handler to believe
> that an exception has occurred.
> The checks should be changed to {code}!exception.equals("(null)"){code}
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