[jira] Commented: (SM-1487) Consider adding a placeholder shared library to the servicemix-camel jbi component

["Willem Jiang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/activemq/browse/SM-1487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44790#action_44790 ] 

Willem Jiang commented on SM-1487:
----------------------------------

Since the shared lib's jars can't see the jars in servicemix-camel,  the better solution is hacking the servicemix-camel's pom.xml, adding the external camel components into the pom.xml.

> Consider adding a placeholder shared library to the servicemix-camel jbi component
> ----------------------------------------------------------------------------------
>
>                 Key: SM-1487
>                 URL: https://issues.apache.org/activemq/browse/SM-1487
>             Project: ServiceMix
>          Issue Type: Improvement
>          Components: servicemix-camel
>    Affects Versions: 3.1.2, 3.2, 3.2.1
>            Reporter: Willem Jiang
>             Fix For: 3.2.3, 3.3
>
>         Attachments: engines.patch, shared-libraries.patch
>
>
> The camel component just contains the core camel-jars, but some usecases require the use of addon components (for example camel-cxf) which are not present in the core camel-jar. If you have multiple SU's with a dependency on an addon component then you will hit classloading conflicts (ClassCastException typically ). You currently need to:
> 1) Add the camel extension components to a jbi shared library
> 2) Edit the camel components jbi.xml and add your shared library to the components bootstrap classpath as shown in this example:
> http://open.iona.com/issues/secure/attachment/11763/jbi.xml
> Having to edit the jbi.xml is not ideal so this enhancement is to add a placeholder shared library to the camel-core component. The shared library can be empty but will need to exist in the hot deploy directory.
> This would eliminate the need to hack the jbi.xml, you would just need to overwrite the shared library ..

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