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https://issues.apache.org/jira/browse/LOG4J2-1741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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PJ Fanning updated LOG4J2-1741:
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Attachment: log4j2-sample.zip
Attaching log4j2-sample.zip. I'm probably missing something in the custom
appender but I am getting this exception:
2016-12-19 11:56:54,608 run-main-0 ERROR Unable to invoke factory method in
class class logtest.KafkaLog4jAppender for element CustomKafka.
java.lang.IllegalStateException: No factory method found for class
logtest.KafkaLog4jAppender
at
org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.findFactoryMethod(PluginBuilder.java:224)
> scala: add support for creating custom plugins
> ----------------------------------------------
>
> Key: LOG4J2-1741
> URL: https://issues.apache.org/jira/browse/LOG4J2-1741
> Project: Log4j 2
> Issue Type: Improvement
> Components: Plugins
> Reporter: PJ Fanning
> Assignee: Mikael Ståldal
> Labels: scala
> Attachments: log4j2-sample.zip
>
>
> I tried to add a custom appender using Scala but the pattern of having a
> class with an Plugin annotation and a static method on that class with a
> PluginFactory or PluginBuilderFactory annotation doesn't seem to work in
> Scala.
> In Scala, you can create a companion object to a class where you can
> implement the equivalent of static methods but these are not the same class
> under the hood. The Scala compiler builds 2 or more classes, the companion
> object gets a class name with a $ appended to it. I think this is affecting
> the lookup for the method with the Factory annotation.
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