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This repository has been archived by the owner on Jul 30, 2021. It is now read-only.
If I use the apt-maven-plugin in combination with the maven-release-plugin then a NullpointerException will be thrown:
[INFO] [INFO] --- apt-maven-plugin:1.1.3:process (default) @ [myProject]---
[INFO] An exception has occurred in the compiler (1.8.0-internal). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
[INFO] java.lang.NullPointerException
[INFO] at com.sun.tools.javac.processing.JavacProcessingEnvironment$ComputeAnnotationSet.scan(JavacProcessingEnvironment.java:797)
[INFO] at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.findAnnotationsPresent(JavacProcessingEnvironment.java:993)
[INFO] at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.<init>(JavacProcessingEnvironment.java:927)
[INFO] at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.next(JavacProcessingEnvironment.java:933)
[INFO] at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1199)
[INFO] at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1182)
[INFO] at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:868)
[INFO] at com.sun.tools.javac.main.Main.compile(Main.java:535)
[INFO] at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:141)
[INFO] at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:150)
This happens if I try to release on jenkins with Java 8 (IBM SDK 64bit). A normal build without trying to release is successful. I use version 1.1.3 of the apt-maven-plugin and version 2.5.1 of the maven-release-plugin, configuration of the apt-maven-plugin looks like:
Thank you for the very fast response.
Unfortunately I am not able to setup a minimalistic projects which fails in the same way. It seems that this issue is project specific.
I solved the issue by just waiting a few seconds before executing the apt-maven-plugin. Obviously the release plugin creates threads which are in access conflict with the apt-maven-plugin. Maybe someone has another explanation.
FYI - I'm seeing the same stack trace in a non-maven project. In my case it seems to be related to annotation processing generating a source file with annotations (e.g. @javax.annotation.Generated).
I was also seeing it intermittently, indicating there is some timing issue.
A simple case outside of our source code did not reproduce the issue.
I think that (as @guersel also thought) the release plugin uses a fork of the build reactor to do some logic, and therfore it theoretically could cause timing issues. (this explains the intermittent problems)
I'll look into it.
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If I use the apt-maven-plugin in combination with the maven-release-plugin then a NullpointerException will be thrown:
This happens if I try to release on jenkins with Java 8 (IBM SDK 64bit). A normal build without trying to release is successful. I use version 1.1.3 of the apt-maven-plugin and version 2.5.1 of the maven-release-plugin, configuration of the apt-maven-plugin looks like:
The release build is successful if I debug remotely via Eclipse, maybe there is a timing issue between the release- and apt-plugin?
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