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https://issues.apache.org/jira/browse/OPENJPA-2300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13690618#comment-13690618
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Albert Lee commented on OPENJPA-2300:
-------------------------------------
The changes in AnnotationProcess6 was removing the
@SupportSourceVersion(RELEASE_6). When run with JDK7, the reported warning is
removed. However, when run with JDK with the annotation removed, one will get
the following warning message:
"warning: No SupportedSourceVersion annotation found on
org.apache.openjpa.persistence.meta.AnnotationProcessor6"
So one way or the other, a warning will be posted.
Since the current openjpa is built with JDK 6, it mean sense to leave the
@SupportSourceVersion(6) in place such that the "No SupportedSourceVersion..."
should not be observed, while with JDK 7, the warning is appropriate.
When OpenJPA moves up to build with JDK7, that should be the time to upgrade
AnnotationProcessor* to support @SupportSourceVersion(7).
I propose to revert the change back to whatever it was before and resolve this
issue when OpenJPA moves up to JDK 7 build.
> AnnotationProcessor shows warnings when executed on Java 7 sources
> ------------------------------------------------------------------
>
> Key: OPENJPA-2300
> URL: https://issues.apache.org/jira/browse/OPENJPA-2300
> Project: OpenJPA
> Issue Type: Bug
> Components: criteria, Enhance
> Affects Versions: 2.2.1
> Environment: OpenJPA 2.2.1
> Reporter: Piotr Kubowicz
> Assignee: Pinaki Poddar
> Priority: Minor
> Labels: java7
>
> When running {{openjpac}} Ant task on Java sources set to Java 7
> compatibility, the following warning is shown:
> [javac] warning: Supported source version 'RELEASE_6' from annotation
> processor 'org.apache.openjpa.persistence.meta.AnnotationProcessor6' less
> than -source '1.7'
> This is because AnnotationProcessor6.java contains:
> @SupportedSourceVersion(RELEASE_6)
> which according to JDK documentation means that this annotation processor is
> incompatible with Java 7.
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