[jira] [Updated] (NIFI-4562) MergeContent errors with FlowFileHandlingException: transfer relationship not specified if IOException thrown

["Mark Payne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-4562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Payne updated NIFI-4562:
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    Attachment: NIFI-4562.xml

> MergeContent errors with FlowFileHandlingException: transfer relationship not specified if IOException thrown
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-4562
>                 URL: https://issues.apache.org/jira/browse/NIFI-4562
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>            Reporter: Mark Payne
>            Assignee: Mark Payne
>
> If an IOException is thrown when merging FlowFiles (for instance out of disk space or too many open files), it will be converted to a ProcessException, and BinFiles will catch that. It will then transfer FlowFiles to 'failure' and call session.commit(). However, if a 'merged' FlowFile already was created then it does not get removed. As a result, the call to session.commit will throw a FlowFileHandlingException indicating that the FlowFile's transfer relationship is not set.
> We need to make sure that each of the 'mergers' catches this ProcessException and removes the created 'bundled' flowfile before re-throwing it.



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