java.lang.IncompatibleClassChangeError: testPackage.MainFreeActivity

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.IncompatibleClassChangeError: testPackage.MainFreeActivity
at dalvik.system.DexFile.defineClassNative(Native Method)
at dalvik.system.DexFile.defineClass(DexFile.java:226)
at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
at dalvik.system.DexPathList.findClass(DexPathList.java:321)
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
at libcore.reflect.InternalNames.getClass(InternalNames.java:53)
at java.lang.Class.getDexCacheType(Class.java:479)
at java.lang.reflect.ArtMethod.getDexCacheType(ArtMethod.java:191)
at java.lang.reflect.ArtMethod.getReturnType(ArtMethod.java:145)
at java.lang.reflect.Method.getReturnType(Method.java:184)
at org.junit.internal.MethodSorter.getDeclaredMethods(MethodSorter.java:54)
at org.junit.runners.model.TestClass.scanAnnotatedMembers(TestClass.java:65)
at org.junit.runners.model.TestClass.(TestClass.java:57)
at org.junit.runners.ParentRunner.createTestClass(ParentRunner.java:88)
at org.junit.runners.ParentRunner.(ParentRunner.java:83)
at org.junit.runners.BlockJUnit4ClassRunner.(BlockJUnit4ClassRunner.java:65)
at android.support.test.internal.runner.junit4.AndroidJUnit4ClassRunner.(AndroidJUnit4ClassRunner.java:37)
at android.support.test.runner.AndroidJUnit4.(AndroidJUnit4.java:36)
at java.lang.reflect.Constructor.newInstance(Native Method)
at android.support.test.internal.runner.junit4.AndroidAnnotatedBuilder.buildAndroidRunner(AndroidAnnotatedBuilder.java:83)
at android.support.test.internal.runner.junit4.AndroidAnnotatedBuilder.runnerForClass(AndroidAnnotatedBuilder.java:62)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
at org.junit.runner.Computer.getRunner(Computer.java:40)
at org.junit.runner.Computer$1.runnerForClass(Computer.java:31)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:101)
at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:87)
at org.junit.runners.Suite.(Suite.java:81)
at android.support.test.internal.runner.TestRequestBuilder.classes(TestRequestBuilder.java:789)
at android.support.test.internal.runner.TestRequestBuilder.build(TestRequestBuilder.java:753)
at android.support.test.runner.AndroidJUnitRunner.buildRequest(AndroidJUnitRunner.java:354)
at android.support.test.runner.AndroidJUnitRunner.onStart(AndroidJUnitRunner.java:260)

Users with the same issue

3 times, 1 year ago
7 times, 1 year ago
3 times, 1 year ago
Samebug visitor profile picture
Unknown user
2 times, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 2 years ago
2 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.