NoSuchMethodError: javassist.Modifier.isPackage(I)Z during allowMockingOfPackagePrivateClasses(MainMockTransformer.java:94)

[Mark Fekete]

HI,

I'm getting the following errror just before the BEFORE Method. I think during @PrepareForTest:

java.lang.NoSuchMethodError: javassist.Modifier.isPackage(I)Z

at org.powermock.core.transformers.impl.MainMockTransformer.allowMockingOfPackagePrivateClasses(MainMockTransformer.java:94)

at org.powermock.core.transformers.impl.MainMockTransformer.transform(MainMockTransformer.java:54)

at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:251)

at org.powermock.core.classloader.MockClassLoader.loadModifiedClass(MockClassLoader.java:180)

at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:68)

at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:270)

at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.createDelegatorFromClassloader(JUnit4TestSuiteChunkerImpl.java:138)

at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.createDelegatorFromClassloader(JUnit4TestSuiteChunkerImpl.java:39)

at org.powermock.tests.utils.impl.AbstractTestSuiteChunkerImpl.createTestDelegators(AbstractTestSuiteChunkerImpl.java:218)

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:526)

at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:29)

at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:21)

at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)

at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)

at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)

at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:26)

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:444)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)

at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

The  Class I want to mock is an abstract class. Could that be the Issue?

This is how my code looks like:

@RunWith(PowerMockRunner.class)

@PrepareForTest(Registry.class)

public class TimerTest {

  private NotesController controller;

  private PluginEnvironment environment;

  private Registry registry;

  

  @Before

  public void init() {

    controller = new NotesController();

    environment = mock(PluginEnvironment.class);

    when(environment.getPluginDirectory()).thenReturn(new File("test-data"));

    

    mockStatic(Registry.class);

    DefaultServiceClientManager serviceClientManager = mock(DefaultServiceClientManager.class);

    when(registry.get(ServiceClientManager.class)).thenReturn(serviceClientManager);

    controller.init(environment);

  }

[Johan Haleby]

What version of PowerMock and Javassist are you using?

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[Mark Fekete]

I'm using powermock-mockito-junit-1.5.6. 

What do you mean with javaassist?

[Johan Haleby]

Javassist is the byte-code manipulation library used by PowerMock. If you don't have the right vesion of Javassist in the classpath the PowerMock won't work.