[jira] [Commented] (LOG4J2-3302) Xml configuration of ClassArbiter does not work

["Volkan Yazici (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4J2-3302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17467962#comment-17467962 ] 

Volkan Yazici commented on LOG4J2-3302:
---------------------------------------

Thanks so much for the report [~nielsull]! Mind submitting a PR fixing the issue along with a test, please? Certain remarks:
 * Target {{release-2.x}} branch
 * Update {{changes.xml}}
 * You should be able to (not tested!) avoid Java 9 toolchain setup by simply excluding the following modules: log4j-api-java9, log4j-core-java9, log4j-perf.

> Xml configuration of ClassArbiter does not work
> -----------------------------------------------
>
>                 Key: LOG4J2-3302
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-3302
>             Project: Log4j 2
>          Issue Type: Bug
>    Affects Versions: 2.17.1
>         Environment: Java 11
>            Reporter: Niels Ull Harremoës
>            Priority: Major
>         Attachments: Fix_ClassArbiter_factory-with-tests.patch, Fix_ClassArbiter_factory.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> I am trying to get the ClassArbiter to work. There are no samples, but delving into the source, I though this should work:
> {{<ClassArbiter className="java.lang.String">}}
>  
> It doesn't.
> I guess this is due to line 43-47 of ClassArbiter.java:
> @PluginBuilderFactory
> public static SystemPropertyArbiter.Builder newBuilder() {
>    return new SystemPropertyArbiter.Builder();
> }
> This should be 
> @PluginBuilderFactory
> public static ClassArbiter.Builder newBuilder() {
>    return new ClassArbiter.Builder();
> }
>  
> Ideally, the documentation should include a sample of how to use ClassArbiter



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