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https://issues.apache.org/jira/browse/NIFI-2909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15645206#comment-15645206
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ASF GitHub Bot commented on NIFI-2909:
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Github user olegz commented on the issue:
https://github.com/apache/nifi/pull/1156
@bbende I am actually in the process of testing it now, but giving that
this is class loading, give till tomorrow and if all is good I'll merge. You
can squash now, I am good with the changes you've made.
Also, probably lost in the maze of comments, but i don't think we ever
closed the loop on per-instance vs, per-lifecycle point i've made earlier.
What's your take on that?
> Provide a framework mechanism for loading additional classpath resources
> ------------------------------------------------------------------------
>
> Key: NIFI-2909
> URL: https://issues.apache.org/jira/browse/NIFI-2909
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Bryan Bende
> Assignee: Bryan Bende
> Fix For: 1.1.0
>
>
> We currently have several components with a property for specifying
> additional classpath resources (DBCP connection pool, scripting processors,
> JMS). Each of these components is responsible for handling this in its own
> way.
> The framework should provide a more integrated solution to make it easier for
> component developers to deal with this scenario. Some requirements that need
> to be met by this solution:
> - Multiple instances of the same component with different resources added to
> the classpath and not interfering with each other (i.e. two DBCP connection
> pools using different drivers)
> - Ability to modify the actual ClassLoader of the component to deal with
> frameworks that use Class.forName() without passing in a ClassLoader, meaning
> if a processor loads class A and class A calls Class.forName(classBName),
> then class B needs to be available in the ClassLoader that loaded the
> processor's class which in turn loaded class A
> - A component developer should be able to indicate that a given
> PropertyDescriptor represents a classpath resource and the framework should
> take care of the ClassLoader manipulation
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