java.lang.NullPointerException

Coderanch | Campbell Ritchie | 3 years ago
  1. 0

    Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException

    Coderanch | 3 years ago | Campbell Ritchie
    java.lang.NullPointerException
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  3. 0

    solo.enterText(0,var) fails when I pass in a string variable and works when I pass in a sting value

    GitHub | 1 year ago | renas
    java.lang.RuntimeException: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.util.regex.Pattern.<init>()
    2. Java RT
      Pattern.compile
      1. java.util.regex.Pattern.<init>(Pattern.java:1336)
      2. java.util.regex.Pattern.compile(Pattern.java:1022)
      2 frames
    3. assignment
      MainFrame$2.run
      1. assignment.MainFrame.<init>(MainFrame.java:29)
      2. assignment.MainFrame$2.run(MainFrame.java:277)
      2 frames
    4. Java RT
      EventDispatchThread.run
      1. java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
      2. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
      3. java.awt.EventQueue.access$200(EventQueue.java:103)
      4. java.awt.EventQueue$3.run(EventQueue.java:694)
      5. java.awt.EventQueue$3.run(EventQueue.java:692)
      6. java.security.AccessController.doPrivileged(Native Method)
      7. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      8. java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
      9. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
      10. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
      11. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
      12. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
      13. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
      14. java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
      14 frames