java.lang.NullPointerException

GitHub | ctrueden | 2 years ago
  1. 0

    DefaultPrefService can throw NPE

    GitHub | 2 years ago | ctrueden
    java.lang.NullPointerException
  2. 0

    NPE when closing JabRef with new unsaved database

    GitHub | 12 months ago | oscargus
    java.lang.NullPointerException
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  4. 0
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
  5. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.util.prefs.AbstractPreferences.put()
    2. Java RT
      AbstractPreferences.put
      1. java.util.prefs.AbstractPreferences.put(AbstractPreferences.java:241)
      1 frame
    3. SciJava Common
      DefaultThreadService$2.call
      1. org.scijava.prefs.DefaultPrefService.put(DefaultPrefService.java:183)
      2. org.scijava.module.DefaultModuleService.save(DefaultModuleService.java:280)
      3. org.scijava.module.process.SaveInputsPreprocessor.saveValue(SaveInputsPreprocessor.java:74)
      4. org.scijava.module.process.SaveInputsPreprocessor.process(SaveInputsPreprocessor.java:65)
      5. org.scijava.module.ModuleRunner.preProcess(ModuleRunner.java:104)
      6. org.scijava.module.ModuleRunner.run(ModuleRunner.java:156)
      7. org.scijava.module.ModuleRunner.call(ModuleRunner.java:126)
      8. org.scijava.module.ModuleRunner.call(ModuleRunner.java:65)
      9. org.scijava.thread.DefaultThreadService$2.call(DefaultThreadService.java:164)
      9 frames
    4. Java RT
      Thread.run
      1. java.util.concurrent.FutureTask.run(FutureTask.java:266)
      2. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      3. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      4. java.lang.Thread.run(Thread.java:745)
      4 frames