Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0
error: error while loading CharSequence, class file '/usr/lib/jvm/java-8-oracle/jre/lib/rt.jar(java/lang/CharSequence.class)' is broken
(class java.lang.RuntimeException/bad constant pool tag 18 at byte 10)
error: error while loading Comparator, class file '/usr/lib/jvm/java-8-oracle/jre/lib/rt.jar(java/util/Comparator.class)' is broken
(class java.lang.RuntimeException/bad constant pool tag 18 at byte 20)
error: error while loading AnnotatedElement, class file '/usr/lib/jvm/java-8-oracle/jre/lib/rt.jar(java/lang/reflect/AnnotatedElement.class)' is broken
(class java.lang.RuntimeException/bad constant pool tag 18 at byte 76)
error: error while loading Arrays, class file '/usr/lib/jvm/java-8-oracle/jre/lib/rt.jar(java/util/Arrays.class)' is broken
(class java.lang.RuntimeException/bad constant pool tag 18 at byte 765)
/tmp/sbt_53783b12/xsbt/ExtractAPI.scala:395: error: java.util.Comparator does not take type parameters
private[this] val sortClasses = new Comparator[Symbol] {
^
5 errors found
:core:compileScala FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':core:compileScala'.
> org.gradle.messaging.remote.internal.PlaceholderException (no error message)
* 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: 1 mins 48.298 secs