Maven annotation processing fails with JDK9-ea+138

[Christian Beikov]

Ok so adding MAVEN_OPTS="--add-modules=java.xml.bind" and also 
specifying the same argument to the plugin seems to be a workaround for 
now. For reference I opened an issue to allow forking: 
https://github.com/bsorrentino/maven-annotation-plugin/issues/64

Regards,
Christian

Am 05.10.2016 um 09:29 schrieb Alan Bateman:
> On 05/10/2016 08:04, Christian Beikov wrote:
>
>> Thanks, but I am using the maven-processor-plugin. Nevertheless, I 
>> added the flags to the plugin since it also allows to add compiler 
>> arguments, but I get this exception:
>>
>> java.lang.IllegalArgumentException: invalid flag: -J--add-modules
>>         at 
>> com.sun.tools.javac.main.Arguments.error(jdk.compiler at 9-ea/Arguments.java:796)
>>         at 
>> com.sun.tools.javac.main.Arguments.doProcessArgs(jdk.compiler at 9-ea/Arguments.java:393)
>>         at 
>> com.sun.tools.javac.main.Arguments.processArgs(jdk.compiler at 9-ea/Arguments.java:303)
>>         at 
>> com.sun.tools.javac.main.Arguments.init(jdk.compiler at 9-ea/Arguments.java:259)
>>         at 
>> com.sun.tools.javac.api.JavacTool.getTask(jdk.compiler at 9-ea/JavacTool.java:179)
>>         at 
>> com.sun.tools.javac.api.JavacTool.getTask(jdk.compiler at 9-ea/JavacTool.java:113)
>>         at 
>> com.sun.tools.javac.api.JavacTool.getTask(jdk.compiler at 9-ea/JavacTool.java:68)
>>         at 
>> org.bsc.maven.plugin.processor.AbstractAnnotationProcessorMojo.executeWithExceptionsHandled(AbstractAnnotationProcessorMojo.java:527)
>>         at 
>> org.bsc.maven.plugin.processor.AbstractAnnotationProcessorMojo.execute(AbstractAnnotationProcessorMojo.java:285)
> Ah, this is a Maven plugin invoking the compiler via the API, not the 
> javac launcher. In that case, then -J won't be understood as -J is for 
> launchers/tools to pass options through to the runtime environment 
> (nothing new here, -J has always been the way to do this).
>
> Can the maven-processor-plugin be configured to run in its own VM, as 
> in <fork>true</fork> like Richard suggested for the compiler plugin?
>
> -Alan
>
>