[jira] [Created] (NIFI-8053) ReplaceText with Expression Language in Match Group results in Data Loss/Corruption

["Robin Lutz (Jira)" <ji...@apache.org>]

Robin Lutz created NIFI-8053:
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             Summary: ReplaceText with Expression Language in Match Group results in Data Loss/Corruption
                 Key: NIFI-8053
                 URL: https://issues.apache.org/jira/browse/NIFI-8053
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.12.1, 1.11.4
         Environment: Running in Docker in Kubernetes on a Ubuntu Host
            Reporter: Robin Lutz
         Attachments: replace_text_race_condition.xml

This seems to be related to https://issues.apache.org/jira/browse/NIFI-7683

When I run a ReplaceText processor with multiple Threads and also manipulate the result within an expression (im my case _${'$1':escapeJson()}_), the processor will corrupt (cut off) or loose data.

I attached a template that demonstrates the case.

I did not see these problems in 1.11.2, never tried 1.11.3, and have i since then with every release (1.12.0 and 1.12.1).

Finally, after noticing the bug mentioned above, I was able to reproduce the problem.

Blocker and Important, because the user can loose data.



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