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Posted to issues@nifi.apache.org by "Oleg Zhurakousky (JIRA)" <ji...@apache.org> on 2016/11/08 18:23:59 UTC
[jira] [Updated] (NIFI-2909) Provide a framework mechanism for
loading additional classpath resources
[ https://issues.apache.org/jira/browse/NIFI-2909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Zhurakousky updated NIFI-2909:
-----------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
> 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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