java.lang.NullPointerException

GitHub | D3rty | 3 months ago
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  1. 0
    samebug tip
    Check if your path is correct, if it's correct already you have to register your path to the mapping configuration.
  2. 0
    samebug tip
    SpringFramework DefaultResourceLoader won't load some types of URLs, if you want to pass it to them, try overriding the method and using the Resource Loader of your own choice. If you need more info, take a look at this answer: https://goo.gl/WV241z
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  4. 0
    samebug tip
    This seems to be caused by too many connections to the same server, saturating it and causing the exception! More info on the link

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.d3rty.aaaprotocol.dao.DbManager.prepareStatement()
    2. com.d3rty.aaaprotocol
      CheckingTest.checkLogin
      1. com.d3rty.aaaprotocol.dao.DbManager.prepareStatement(DbManager.java:61)
      2. com.d3rty.aaaprotocol.dao.DbUserSelecting.getUserByLogin(DbUserSelecting.java:22)
      3. com.d3rty.aaaprotocol.CheckingTest.checkLogin(CheckingTest.java:28)
      3 frames
    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:50)
      2. org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
      3. org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
      4. org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
      5. org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
      6. org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
      7. org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
      8. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
      9. org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
      10. org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
      11. org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
      12. org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
      13. org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
      14. org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
      15. org.junit.runners.ParentRunner.run(ParentRunner.java:363)
      15 frames
    5. JUnit4 Provider
      JUnit4Provider.invoke
      1. org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
      2. org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
      3. org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
      3 frames
    6. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      4 frames
    7. SureFire
      ForkedBooter.main
      1. org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
      2. org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
      3. org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
      4. org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
      5. org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
      5 frames