"VerifyError: Inconsistent stackmap frames" from PowerMock (using Javassist 3.18) --------------------------------------------------------------------------------- Key: JASSIST-205 URL: https://issues.jboss.org/browse/JASSIST-205 Project: Javassist Issue Type: Bug Affects Versions: 3.18.0-GA Environment: jdk1.7.0_21, Win8amd64 Reporter: Ryan Kenney Assignee: Shigeru Chiba Attachments: PowerMockDemo.zip, powermockdemoDEBUG.txt, PowerMockTest.javap Apologies if this is a duplicate of JASSIST-204. I didn't delve into the actual Javassist APIs used, I'm simply seeing an error in my PowerMock usage. Fortunately, this ticket provides a very simple test case for reproducibility. I was prompted to open a Javassist ticket by the following PowerMock ticket: https://code.google.com/p/powermock/issues/detail?id=355 I'm attaching a very simple maven project with a unit test to demonstrate the problem. Here are the guts of the failing unit test: {code} @RunWith(PowerMockRunner.class) @PrepareForTest( {MyClassUnderTest.class} ) public class PowerMockTest { /************************************************************************** * Demonstrates an "Inconsistent stackmap frames" exception that results * from PowerMock 1.5 and JDK 7. *************************************************************************/ @Test public void testWaitForExitMockMonitors() throws InterruptedException { resetAll(); Object mockMonitor = createStrictMock(Object.class); MyClassUnderTest myClass = new MyClassUnderTest(mockMonitor); mockMonitor.wait(0); mockMonitor.notifyAll(); replayAll(); myClass .run(); verifyAll(); } public static class MyClassUnderTest { private Object m_monitor; public MyClassUnderTest(Object monitor) { m_monitor = monitor; } public void run() throws InterruptedException { m_monitor.wait(0); m_monitor.notifyAll(); } } } {code} And here is my error: {code} java.lang.VerifyError: Inconsistent stackmap frames at branch target 283 in method com.scea.dart.cmd.targetcontrol.target.process.PowerMockTest.testWaitForExitMockMonitors()V at offset 274 at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2451) at java.lang.Class.privateGetPublicMethods(Class.java:2571) at java.lang.Class.getMethods(Class.java:1429) at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.getTestMethods(PowerMockJUnit44RunnerDelegateImpl.java:95) at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.<init>(PowerMockJUnit44RunnerDelegateImpl.java:71) at org.powermock.modules.junit4.internal.impl.PowerMockJUnit49RunnerDelegateImpl.<init>(PowerMockJUnit49RunnerDelegateImpl.java:29) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:525) at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.createDelegatorFromClassloader(JUnit4TestSuiteChunkerImpl.java:143) at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.createDelegatorFromClassloader(JUnit4TestSuiteChunkerImpl.java:39) at org.powermock.tests.utils.impl.AbstractTestSuiteChunkerImpl.createTestDelegators(AbstractTestSuiteChunkerImpl.java:217) at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.<init>(JUnit4TestSuiteChunkerImpl.java:59) at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.<init>(AbstractCommonPowerMockRunner.java:32) at org.powermock.modules.junit4.PowerMockRunner.<init>(PowerMockRunner.java:33) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:525) at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:31) at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:24) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57) at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29) at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57) at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.<init>(JUnit4TestReference.java:33) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.<init>(JUnit4TestClassReference.java:25) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:48) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) {code}