Spotbugs: Fails with jdk12

[karussell]

It says: Unsupported class file major version 56

[INFO] --- spotbugs-maven-plugin:3.1.6:spotbugs (spotbugs) @ graphhopper-api ---
[INFO] Fork Value is true
     [java] The following errors occurred during analysis:
     [java]   Error scanning java/lang/Object for referenced classes
     [java]     java.lang.IllegalArgumentException: Unsupported class file major version 56
     [java]       At org.objectweb.asm.ClassReader.<init>(ClassReader.java:176)
     [java]       At org.objectweb.asm.ClassReader.<init>(ClassReader.java:158)
     [java]       At org.objectweb.asm.ClassReader.<init>(ClassReader.java:146)
     [java]       At edu.umd.cs.findbugs.asm.FBClassReader.<init>(FBClassReader.java:35)
     [java]       At edu.umd.cs.findbugs.classfile.engine.asm.ClassReaderAnalysisEngine.analyze(ClassReaderAnalysisEngine.java:48)
     [java]       At edu.umd.cs.findbugs.classfile.engine.asm.ClassReaderAnalysisEngine.analyze(ClassReaderAnalysisEngine.java:34)
     [java]       At edu.umd.cs.findbugs.classfile.impl.AnalysisCache.getClassAnalysis(AnalysisCache.java:262)
     [java]       At edu.umd.cs.findbugs.classfile.engine.ClassInfoAnalysisEngine.analyze(ClassInfoAnalysisEngine.java:75)
     [java]       At edu.umd.cs.findbugs.classfile.engine.ClassInfoAnalysisEngine.analyze(ClassInfoAnalysisEngine.java:38)
     [java]       At edu.umd.cs.findbugs.classfile.impl.AnalysisCache.getClassAnalysis(AnalysisCache.java:262)
     [java]       At edu.umd.cs.findbugs.FindBugs2.buildReferencedClassSet(FindBugs2.java:774)
     [java]       At edu.umd.cs.findbugs.FindBugs2.execute(FindBugs2.java:220)
     [java]       At edu.umd.cs.findbugs.FindBugs.runMain(FindBugs.java:401)
     [java]       At edu.umd.cs.findbugs.FindBugs2.main(FindBugs2.java:1185)
     [java]   Error scanning java/util/AbstractList for referenced classes

[wreulicke]

ASM has no support for jdk12.
https://asm.ow2.io/versions.html

[karussell]

ASM 7.0 should have: https://gitlab.ow2.org/asm/asm/blob/ASM_7_0/asm-util/src/main/java/org/objectweb/asm/util/ASMifier.java#L84

See: https://gitlab.ow2.org/asm/asm/commit/d0afe0cdce79ad8abcff3cad9af9068c8c3eada2