java.lang.NullPointerException

Coderanch | Qiang Qiang Xi | 4 years ago
  1. 0

    How to initiate MouseEvent object in java

    Coderanch | 4 years ago | Qiang Qiang Xi
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at Page.onNumberItemClicked()
    2. Unknown
      PageTest.testOnNumberItemClicked
      1. Page.onNumberItemClicked(UserPage.java:124)
      2. PageTest.testOnNumberItemClicked(UserPageTest.java:131)
      2 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      4. java.lang.reflect.Method.invoke(Unknown Source)
      4 frames
    4. JUnit
      JUnit4ClassRunner.run
      1. org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
      2. org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
      3. org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
      4. org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
      5. org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
      6. org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
      7. org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
      8. org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
      9. org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
      10. org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
      11. org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
      12. org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
      12 frames
    5. JUnit4 Runner
      JUnit4TestReference.run
      1. org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
      1 frame
    6. JUnit3 Runner
      RemoteTestRunner.main
      1. org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
      2. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
      3. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
      4. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
      5. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
      5 frames