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https://issues.apache.org/jira/browse/NIFI-7676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Pierre Villard resolved NIFI-7676.
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Resolution: Feedback Received
Apache NiFi 1.x is no longer maintained and no new release is planned on the
1.x release line. Marking as resolved as part of a cleanup operation. Please
open a new one with an updated description if this is still relevant for NiFi
2.x.
> Nifi Processor dynamicallyModifiesClasspath doesn't work
> --------------------------------------------------------
>
> Key: NIFI-7676
> URL: https://issues.apache.org/jira/browse/NIFI-7676
> Project: Apache NiFi
> Issue Type: Bug
> Components: Configuration
> Affects Versions: 1.11.4
> Reporter: Vijendra Kulhade
> Priority: Major
>
> I am trying to pass custom jar to add in the class path for my Custom
> Processor.
> I have used below PropertyDescriptor
> {code:java}
> static final PropertyDescriptor ADDITIONAL_CLASSPATH_RESOURCES = new
> PropertyDescriptor.Builder()
> .name("Additional Classpath Resources")
> .displayName("Additional Classpath")
> .description("A comma-separated list of paths to files and/or
> directories that will be added to the classpath and used for loading native
> libraries. " +
> "When specifying a directory, all files with in the directory
> will be added to the classpath, but further sub-directories will not be
> included.")
> .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
> .dynamicallyModifiesClasspath(true)
>
> .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
> .build();
> {code}
> Also in onTrigger trying to read get the Class like this.
> {code:java}
> Class<?> cls =
> Thread.currentThread().getContextClassLoader().loadClass("CustomerProto");
> Method m = cls.getDeclaredMethod("getDefaultInstance");{code}
> I am getting ClassNotFoundException.
>
> I tried referring the existing Nifi JoltTransformRecord Processor.
> [https://github.com/apache/nifi/blob/main/nifi-nar-bundles/nifi-jolt-record-bundle/nifi-jolt-record-processors/src/main/java/org/apache/nifi/processors/jolt/record/JoltTransformRecord.java#L156]
> Tried checking the test cases for this processor
> I found that there was no positive test case for dynamicallyModifiesClasspath.
> All the test cases are ignoring the custom class.
>
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