java.lang.NullPointerException

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Solutions on the web123956

  • via Terracotta by unnutz, 11 months ago
    This exception has no message.
  • This exception has no message.
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  • Stack trace

    • java.lang.NullPointerException at film_titles.poster_manager.DocumentTree.treeWillExpand(Unknown Source) at javax.swing.JTree.fireTreeWillExpand(JTree.java:2723) at javax.swing.JTree.setExpandedState(JTree.java:3421) at de.schlichtherle.io.swing.JFileTree.setExpandedDescendants(JFileTree.java:394) at de.schlichtherle.io.swing.JFileTree.refresh(JFileTree.java:381) at de.schlichtherle.io.swing.JFileTree.refresh(JFileTree.java:337) at film_titles.poster_manager.DocumentTree$3.run(Unknown Source) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

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