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https://issues.apache.org/jira/browse/NIFI-8330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17342865#comment-17342865
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ASF subversion and git services commented on NIFI-8330:
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Commit a4d435c9952f306f748fa004fc839eba318f6187 in nifi's branch
refs/heads/main from Matt Burgess
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=a4d435c ]
NIFI-8330: Fix compilation of Jython scripts for scripting components
- Add onPropertyModified to ExecuteScript to recompile on change
This closes #4903.
Signed-off-by: Mark Payne <[email protected]>
> JythonScriptEngineConfigurator needs to recompile on init()
> -----------------------------------------------------------
>
> Key: NIFI-8330
> URL: https://issues.apache.org/jira/browse/NIFI-8330
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Priority: Major
> Fix For: 1.14.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> NIFI-8080 introduced a kind of regression in the sense that an invalid Jython
> script can be supplied to InvokeScriptedProcessor (or related scripting
> components) and it will successfully "compile". However it will generate an
> error every time eval() is called, and will not be recompiled if the script
> is changed because a CompiledScript object exists. The workaround/approach is
> that the script must be corrected and then NiFi must be restarted.
> The JythonScriptEngineConfigurator should recompile the script whenever
> init() is called, whether there is an existing CompiledScript object or not.
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