java.lang.NullPointerException

Stack Overflow | Newbie | 8 months ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.

Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at com.amazon.ws.emr.hadoop.fs.migration.BasicMRTest.tearDown()
  2. com.amazon.ws
    BasicMRTest.tearDown
    1. com.amazon.ws.emr.hadoop.fs.migration.BasicMRTest.tearDown(BasicMRTest.java:60)
    1 frame
  3. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  4. JUnit
    ParentRunner.run
    1. org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
    2. org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    3. org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
    4. org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
    5. org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
    6. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
    7. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
    8. org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
    9. org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
    10. org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
    11. org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
    12. org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
    13. org.junit.runners.ParentRunner.run(ParentRunner.java:309)
    13 frames
  5. JUnit4 Provider
    JUnit4Provider.invoke
    1. org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
    2. org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
    3. org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)
    3 frames
  6. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  7. SureFire
    ForkedBooter.main
    1. org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
    2. org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
    3. org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)
    4. org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:107)
    5. org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:68)
    5 frames