java.lang.NullPointerException

wordpress.com | 5 months ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.io.ObjectInputStream$PeekInputStream.read()
    2. Java RT
      ObjectInputStream.<init>
      1. java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2283)
      2. java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2296)
      3. java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2767)
      4. java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:798)
      5. java.io.ObjectInputStream.<init>(ObjectInputStream.java:298)
      5 frames
    3. JasperReports
      JasperFillManager.fillReport
      1. net.sf.jasperreports.engine.util.ContextClassLoaderObjectInputStream.<init>(ContextClassLoaderObjectInputStream.java:53)
      2. net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:210)
      3. net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:376)
      3 frames
    4. Unknown
      flightMgm$1.actionPerformed
      1. flightMgm.jButton1ActionPerformed(flightMgm.java:74)
      2. flightMgm.access$000(flightMgm.java:13)
      3. flightMgm$1.actionPerformed(flightMgm.java:41)
      3 frames
    5. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
      2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
      4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
      6. java.awt.Component.processMouseEvent(Component.java:6505)
      7. javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
      8. java.awt.Component.processEvent(Component.java:6270)
      9. java.awt.Container.processEvent(Container.java:2229)
      10. java.awt.Component.dispatchEventImpl(Component.java:4861)
      11. java.awt.Container.dispatchEventImpl(Container.java:2287)
      12. java.awt.Component.dispatchEvent(Component.java:4687)
      13. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
      14. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
      15. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
      16. java.awt.Container.dispatchEventImpl(Container.java:2273)
      17. java.awt.Window.dispatchEventImpl(Window.java:2713)
      18. java.awt.Component.dispatchEvent(Component.java:4687)
      19. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:707)
      20. java.awt.EventQueue.access$000(EventQueue.java:101)
      21. java.awt.EventQueue$3.run(EventQueue.java:666)
      22. java.awt.EventQueue$3.run(EventQueue.java:664)
      23. java.security.AccessController.doPrivileged(Native Method)
      24. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      25. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
      26. java.awt.EventQueue$4.run(EventQueue.java:680)
      27. java.awt.EventQueue$4.run(EventQueue.java:678)
      28. java.security.AccessController.doPrivileged(Native Method)
      29. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      30. java.awt.EventQueue.dispatchEvent(EventQueue.java:677)
      31. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
      32. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
      33. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
      34. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
      35. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
      36. java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
      36 frames