java.lang.NullPointerException

Oracle Community | 3004 | 1 decade ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    Develottment: Android TDD with Robolectric and JUnit

    develottment.com | 2 years ago
    java.lang.NullPointerException
  2. 0

    UI hang on console hyperlink calculation

    YouTrack | 3 years ago
    java.lang.reflect.InvocationTargetException
  3. Speed up your debug routine!

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at kodo.jdbc.meta.Mappings.getForeignKey()
    2. kodo.jdbc.meta
      MappingRepository.getMetaData
      1. kodo.jdbc.meta.Mappings.getForeignKey(Mappings.java:271)
      2. kodo.jdbc.meta.OneToOneFieldMapping.fromMappingInfo(OneToOneFieldMapping.java:124)
      3. kodo.jdbc.meta.RuntimeMappingProvider.getFieldMapping(RuntimeMappingProvider..java:160)
      4. kodo.jdbc.meta.MappingRepository.getFieldMapping(MappingRepository.java:429)
      5. kodo.jdbc.meta.AbstractClassMapping.getFieldMapping(AbstractClassMapping.java:911)
      6. kodo.jdbc.meta.AbstractClassMapping.getFieldMapping(AbstractClassMapping.java:891)
      7. kodo.jdbc.meta.AbstractClassMapping.getMappings(AbstractClassMapping.java:854)
      8. kodo.jdbc.meta.AbstractClassMapping.getDeclaredFieldMappings(AbstractClassMapping.java:617)
      9. kodo.jdbc.meta.AbstractClassMapping.resolve(AbstractClassMapping.java:758)
      10. kodo.jdbc.meta.BaseClassMapping.resolve(BaseClassMapping.java:323)
      11. kodo.jdbc.meta.MappingRepository.resolve(MappingRepository.java:390)
      12. kodo.jdbc.meta.MappingRepository.getMapping(MappingRepository.java:308)
      13. kodo.jdbc.meta.MappingRepository.getMapping(MappingRepository.java:162)
      14. kodo.jdbc.meta.MappingRepository.getMetaData(MappingRepository.java:150)
      14 frames
    3. kodo.runtime
      PersistenceManagerImpl.makePersistent
      1. kodo.runtime.PersistenceManagerImpl.makePersistentInternal(PersistenceManagerImpl.java:1905)
      2. kodo.runtime.PersistenceManagerImpl.makePersistent(PersistenceManagerImpl.java:1858)
      2 frames
    4. com.peacetech.test
      HorizontalTest.main
      1. com.peacetech.test.jdo.TestJDOHelper.makePersistent(TestJDOHelper.java:54)
      2. com.peacetech.test.HorizontalTest.main(HorizontalTest.java:41)
      2 frames
    5. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl..java:25)
      4. java.lang.reflect.Method.invoke(Method.java:495)
      4 frames
    6. IDEA
      AppMain.main
      1. com.intellij.rt.execution.application.AppMain.main(Unknown Source)
      1 frame