Hi,
What are the potential causes for below exceptions?
I am running this command:
mvn jacoco:prepare-agent test jacoco:report
java.lang.instrument.IllegalClassFormatException: Error while instrumenting class XYZ
at org.jacoco.agent.rt_kqcpih.CoverageTransformer.transform(CoverageTransformer.java:91)
at sun.instrument.TransformerManager.transform(TransformerManager.java:188)
at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:424)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at com.avaya.ingensg.wa.common.rpallocator.entries.MappedRPEntryTest.testForSetters(MappedRPEntryTest.java:66)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
Caused by: java.lang.IllegalStateException: Class XYZ is already instrumented.
at org.jacoco.agent.rt_kqcpih.core.internal.instr.ClassInstrumenter.assertNotInstrumented(ClassInstrumenter.java:133)
at org.jacoco.agent.rt_kqcpih.core.internal.instr.ClassInstrumenter.visitField(ClassInstrumenter.java:81)
at org.jacoco.agent.rt_kqcpih.asm.ClassVisitor.visitField(Unknown Source)
at org.jacoco.agent.rt_kqcpih.asm.ClassReader.accept(Unknown Source)
at org.jacoco.agent.rt_kqcpih.asm.ClassReader.accept(Unknown Source)
at org.jacoco.agent.rt_kqcpih.core.instr.Instrumenter.instrument(Instrumenter.java:69)
at org.jacoco.agent.rt_kqcpih.core.instr.Instrumenter.instrument(Instrumenter.java:82)
at org.jacoco.agent.rt_kqcpih.CoverageTransformer.transform(CoverageTransformer.java:89)
... 38 more
I read elsewhere it maybe caused by AspectJ or Maven surefire running agent twice but I don't believe either of these are the cause.