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https://issues.apache.org/jira/browse/NIFI-5073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16473395#comment-16473395
 ] 

ASF GitHub Bot commented on NIFI-5073:
--------------------------------------

Github user zenfenan commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/2653#discussion_r187790872
  
    --- Diff: 
nifi-nar-bundles/nifi-jms-bundle/nifi-jms-processors/src/main/java/org/apache/nifi/jms/cf/JMSConnectionFactoryProvider.java
 ---
    @@ -159,13 +159,15 @@ public void enable(ConfigurationContext context) 
throws InitializationException
                     if (logger.isInfoEnabled()) {
                         logger.info("Configuring " + 
this.getClass().getSimpleName() + " for '"
                                 + 
context.getProperty(CONNECTION_FACTORY_IMPL).evaluateAttributeExpressions().getValue()
 + "' to be connected to '"
    -                            + BROKER_URI + "'");
    +                            + 
context.getProperty(BROKER_URI).evaluateAttributeExpressions().getValue() + 
"'");
                     }
    +
                     // will load user provided libraries/resources on the 
classpath
    -                
Utils.addResourcesToClasspath(context.getProperty(CLIENT_LIB_DIR_PATH).evaluateAttributeExpressions().getValue());
    +                final String clientLibPath = 
context.getProperty(CLIENT_LIB_DIR_PATH).evaluateAttributeExpressions().getValue();
    +                ClassLoader customClassLoader = 
ClassLoaderUtils.getCustomClassLoader(clientLibPath, 
this.getClass().getClassLoader(), null);
    +                
Thread.currentThread().setContextClassLoader(customClassLoader);
    --- End diff --
    
    Understood. I have updated `CLIENT_LIB_DIR_PATH` to include 
`.dynamicallyModifiesClasspath(true)`


> JMSConnectionFactory doesn't resolve 'variables' properly
> ---------------------------------------------------------
>
>                 Key: NIFI-5073
>                 URL: https://issues.apache.org/jira/browse/NIFI-5073
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Matthew Clarke
>            Assignee: Sivaprasanna Sethuraman
>            Priority: Major
>         Attachments: 
> 0001-NIFI-5073-JMSConnectionFactoryProvider-now-resolves-.patch
>
>
> Create a new process Group.
> Add "Variables" to the process group:
> for example:
> broker_uri=tcp://localhost:4141
> client_libs=/NiFi/custom-lib-dir/MQlib
> con_factory=blah
> Then while that process group is selected, create  a controller service.
> Create JMSConnectionFactory.
> Configure this controller service to use EL for PG defined variables above:
> ${con_factory}, ${con_factory}, and ${broker_uri}
> The controller service will remain invalid because the EL statements are not 
> properly resolved to their set values.
> Doing the exact same thing above using the external NiFi registry file works 
> as expected.



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