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@gwpantazes
Last active October 25, 2017 16:41
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LibGDX Gradle Build WARNING: An illegal reflective access operation has occurred
Generating app in /Users/george/IdeaProjects/TestProject
Executing '/Users/george/IdeaProjects/TestProject/gradlew clean --no-daemon idea'
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.gradle.internal.reflect.JavaMethod (file:/Users/george/.gradle/wrapper/dists/gradle-2.14.1-bin/2r579t5wehc7ew5kc8vfqezww/gradle-2.14.1/lib/gradle-base-services-2.14.1.jar) to method java.lang.ClassLoader.getPackages()
WARNING: Please consider reporting this to the maintainers of org.gradle.internal.reflect.JavaMethod
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
To honour the JVM settings for this build a new JVM will be forked. Please consider using the daemon: https://docs.gradle.org/2.14.1/userguide/gradle_daemon.html.
Configuration on demand is an incubating feature.
FAILURE: Build failed with an exception.
* Where:
Build file '/Users/george/IdeaProjects/TestProject/build.gradle' line: 55
* What went wrong:
A problem occurred evaluating root project 'TestProject'.
> javax/xml/bind/annotation/XmlSchema
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
Total time: 7.865 secs
Done!
To import in Eclipse: File -> Import -> General -> Existing Projects into Workspace
To import to Intellij IDEA: File -> Open -> YourProject.ipr
Generating app in /Users/george/IdeaProjects/TestProject
Executing '/Users/george/IdeaProjects/TestProject/gradlew clean --no-daemon idea'
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.gradle.internal.reflect.JavaMethod (file:/Users/george/.gradle/wrapper/dists/gradle-2.14.1-bin/2r579t5wehc7ew5kc8vfqezww/gradle-2.14.1/lib/gradle-base-services-2.14.1.jar) to method java.lang.ClassLoader.getPackages()
WARNING: Please consider reporting this to the maintainers of org.gradle.internal.reflect.JavaMethod
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
To honour the JVM settings for this build a new JVM will be forked. Please consider using the daemon: https://docs.gradle.org/2.14.1/userguide/gradle_daemon.html.
Configuration on demand is an incubating feature.
FAILURE: Build failed with an exception.
* Where:
Build file '/Users/george/IdeaProjects/TestProject/build.gradle' line: 55
* What went wrong:
A problem occurred evaluating root project 'TestProject'.
> javax/xml/bind/annotation/XmlSchema
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
Total time: 5.881 secs
Done!
To import in Eclipse: File -> Import -> General -> Existing Projects into Workspace
To import to Intellij IDEA: File -> Open -> YourProject.ipr
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This issue can be fixed by downgrading to Java 8.

Java9 can cause the Gradle warning. WARNING: An illegal reflective access operation has occurred.

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