With findbugs plugin 3.8 , Sonar java 5.7 and SonarQube LTS 6.7.5 , analysis is failing as below

[gopal9590]

Hi ,

Thank you for findbugs plugin.

We recently upgraded from version 5.5 to LTS 6.7.5 , findbugs plugin also got upgraded from 3.3 to 3.8

After the upgrade , sonar analysis is failing with below error , can you please help me know what could be the issue or if this is already known bug:

Thank you so much !

Error processing opcode checkcast @ 69 in akka.actor.SupervisorStrategy$.$anonfun$sort$1 : (Lscala.collection.mutable.ArrayBuffer;Lscala.Tuple2;)Lscala.collection.mutable.ArrayBuffer;
    java.lang.IllegalArgumentException: Unknown signature [Ljava/lang/Object; for number 1
      At edu.umd.cs.findbugs.OpcodeStack$Item.<init>(OpcodeStack.java:671)
      At edu.umd.cs.findbugs.OpcodeStack.sawOpcode(OpcodeStack.java:1725)
      At edu.umd.cs.findbugs.bcel.OpcodeStackDetector.afterOpcode(OpcodeStackDetector.java:83)
      At edu.umd.cs.findbugs.visitclass.DismantleBytecode.visit(DismantleBytecode.java:884)
      At edu.umd.cs.findbugs.detect.FindNoSideEffectMethods.visit(FindNoSideEffectMethods.java:492)
      At edu.umd.cs.findbugs.visitclass.BetterVisitor.visitCode(BetterVisitor.java:218)
      At edu.umd.cs.findbugs.visitclass.PreorderVisitor.visitCode(PreorderVisitor.java:243)
      At edu.umd.cs.findbugs.bcel.OpcodeStackDetector.visitCode(OpcodeStackDetector.java:65)
      At org.apache.bcel.classfile.Code.accept(Code.java:132)
      At edu.umd.cs.findbugs.visitclass.PreorderVisitor.doVisitMethod(PreorderVisitor.java:315)
      At edu.umd.cs.findbugs.visitclass.PreorderVisitor.visitJavaClass(PreorderVisitor.java:403)
      At org.apache.bcel.classfile.JavaClass.accept(JavaClass.java:213)
      At edu.umd.cs.findbugs.BytecodeScanningDetector.visitClassContext(BytecodeScanningDetector.java:38)
      At edu.umd.cs.findbugs.DetectorToDetector2Adapter.visitClass(DetectorToDetector2Adapter.java:76)
      At edu.umd.cs.findbugs.FindBugs2.analyzeApplication(FindBugs2.java:1080)
      At edu.umd.cs.findbugs.FindBugs2.execute(FindBugs2.java:281)
      At org.sonar.plugins.findbugs.FindbugsExecutor$FindbugsTask.call(FindbugsExecutor.java:235)
      At java.util.concurrent.FutureTask.run(FutureTask.java:266)
      At java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      At java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      At java.lang.Thread.run(Thread.java:748)
The following classes needed for analysis were missing:
  test
  accept
  apply
  compare

[h3xstream]

This looks like a spotbugs issue : spotbugs/spotbugs#715, spotbugs/spotbugs#758

[swetha1604]

Hi,

Greetings!!

We recently upgraded sonarqube from version 5.5 to LTS 6.7.5 , findbugs plugin was upgraded from 3.3 to 3.7.
We facing the same issue with v3.7.Is there any fix or workaround for this?

Thank you!!

[KengoTODA]

solved by 3.9