java.lang.ClassFormatError: This exception has no message.

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

via Google Groups by Sergey, 1 year ago
via Google Groups by Mick, 2 years ago
This exception has no message.
via Stack Overflow by Epaga
, 2 years ago
This exception has no message.
via Stack Overflow by Chris B
, 1 year ago
This exception has no message.
via Stack Overflow by John
, 6 months ago
via Google Groups by Hontvári József, 2 years ago
at sun.instrument.InstrumentationImpl.redefineClasses0(Native Method)
at sun.instrument.InstrumentationImpl.redefineClasses(
at mockit.internal.startup.InstrumentationHolder.redefineClasses(
at mockit.internal.startup.Startup.redefineMethods(
at mockit.internal.startup.Startup.redefineMethods(
at mockit.internal.mockups.MockClassSetup.applyClassModifications(
at mockit.internal.mockups.MockClassSetup.redefineMethodsInClassHierarchy(
at mockit.internal.mockups.MockClassSetup.redefineMethods(
at mockit.MockUp.redefineMethods(
at mockit.MockUp.redefineClassOrImplementInterface(
at mockit.MockUp.(
at mockit.integration.junit4.internal.BlockJUnit4ClassRunnerDecorator.(
at mockit.internal.startup.JMockitInitialization.applyInternalStartupMocksAsNeeded(
at mockit.internal.startup.JMockitInitialization.initialize(
at mockit.internal.startup.Startup.applyStartupMocks(
at mockit.internal.startup.Startup.initialize(
at mockit.internal.startup.Startup.initializeIfPossible(
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(

Users with the same issue

You are the first who have seen this exception.

Write tip

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