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Posted to issues@nifi.apache.org by "Andre Bonin (Jira)" <ji...@apache.org> on 2020/06/03 20:50:00 UTC

[jira] [Created] (NIFI-7504) TestRunner Does not maintain session order if testing a SessionFactoryProcessor

Andre Bonin created NIFI-7504:
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             Summary: TestRunner Does not maintain session order if testing a SessionFactoryProcessor
                 Key: NIFI-7504
                 URL: https://issues.apache.org/jira/browse/NIFI-7504
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.9.1
            Reporter: Andre Bonin


If a processor extends AbstractSessionFactoryProcessor and creates its own sessions for flowfile transfer, the TestRunner.getFlowFilesForRelationship() returns an un-ordered set of flowfiles that does not represent the order at which the flowfiles were transfered.

This is due to the fact that the TestRunner uses an unsorted set to keep the sessions that were created.  When it iterates through them to get the flowfiles, the sessions do not reflect the creation order thereby the flow files within those sessions get aded to the returned list in a random way.



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