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https://issues.apache.org/jira/browse/FELIX-2892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450533#comment-13450533
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Jochen Fliedner commented on FELIX-2892:
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As of FELIX-3550 and version "maven-scr-plugin-1.8.0" etc. there is class 
retention and also ASM is used to extract the annotations from class files. As 
a problem for Scala remains that in a first step the maven plugin identifies 
the types from the project source folders *.java files. There is no java source 
code generated by the Scala compiler, so you won´t see any action.
Btw some groovy guys seem happy already and switched their servlet from Java 
code to an annoted Groovy type: 
https://github.com/Citytechinc/cq5-groovy-console
I think they let generate Java stubs by the "gmaven-plugin" and those can be 
used by the scr plugin.
Would it be possible to make the class identifiction run on the maven project 
target folder?


                
> Get SCR annotations to work with Scala
> --------------------------------------
>
>                 Key: FELIX-2892
>                 URL: https://issues.apache.org/jira/browse/FELIX-2892
>             Project: Felix
>          Issue Type: Improvement
>          Components: Maven SCR Plugin
>            Reporter: Reto Bachmann-Gmür
>
> Currently the maven scr plugin doesn't work with scala, teh main reason for 
> this is that the annotation have only source scope and the adding of 
> bind-methods happe on a source rather than a bytecode level.

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