i met a similar question:
java.lang.RuntimeException: Stub! at junit.runner.Version.id(Version.java:5) at org.powermock.modules.junit4.PowerMockRunner.getJUnitVersion(PowerMockRunner.java:32) at org.powermock.modules.junit4.PowerMockRunner.<init>(PowerMockRunner.java:27
as I fixed, you need to move junit.jar before android.jar in the class path of my eclipse project. The reason is that both junit and android contain the same package and class for junit.runner.Version , so when android.ja r is ahead, the class loader will load this class from android.jar , but it should load it from junit.jar and thus throws an exception.
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