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https://issues.apache.org/jira/browse/MCOMPILER-314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16258391#comment-16258391
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Nils Christian Ehmke commented on MCOMPILER-314:
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Hello [~rfscholte],
Thank you for your time. I think the ticket can be closed as invalid.
> Release-Property can not be used with OpenJDK
> ---------------------------------------------
>
> Key: MCOMPILER-314
> URL: https://issues.apache.org/jira/browse/MCOMPILER-314
> Project: Maven Compiler Plugin
> Issue Type: Bug
> Affects Versions: 3.7.0
> Environment: Linux (Ubuntu), OpenJDK 9
> Reporter: Nils Christian Ehmke
>
> Hi,
> First of all: Thank you for providing us with the maven compiler plugin.
> Now about my issue. I have a project in which I use the release-flag of the
> maven compiler plugin. My pom contains something like the following in the
> parent pom:
> {code}
> <properties>
> <maven.compiler.source>1.9</maven.compiler.source>
> <maven.compiler.target>1.9</maven.compiler.target>
> <maven.compiler.release>9</maven.compiler.release>
> </properties>
> {code}
> Especially the release-flag seems to be necessary so that Eclipse uses the
> JDK9 libs. Under windows (with an Oracle JDK), this works just fine. However,
> our build server (under Linux) cannot work with this. It fails with
> {code}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.7.0:compile
> (default-compile) on project ...
> Fatal error compiling: invalid flag: --release -> [Help 1]
> {code}
> It seems that the release-flag under Linux/OpenJDK has to be called with a
> single hyphen and not with two. Is there anything you can do about this? Any
> workaround maybe?
> Thank you and best regards
> Nils
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