java.lang.NullPointerException

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  • Cannot start SQL Developer
    via by castorp,
  • Sql Developer hangs at Splash Screen
    via by 509992,
  • java.lang.NullPointerException
    via by 454585,
  • java.lang.NullPointerException at javax.swing.MultiUIDefaults.getUIError(Unknown Source) at javax.swing.UIDefaults.getUI(Unknown Source) at javax.swing.UIManager.getUI(Unknown Source) at javax.swing.JPanel.updateUI(Unknown Source) at javax.swing.JPanel.<init>(Unknown Source) at javax.swing.JPanel.<init>(Unknown Source) at javax.swing.JPanel.<init>(Unknown Source) at javax.swing.JRootPane.createGlassPane(Unknown Source) at javax.swing.JRootPane.<init>(Unknown Source) at javax.swing.JDialog.createRootPane(Unknown Source) at javax.swing.JDialog.dialogInit(Unknown Source) at javax.swing.JDialog.<init>(Unknown Source) at javax.swing.JDialog.<init>(Unknown Source) at org.jdesktop.jdic.tray.internal.impl.WinTrayIconService$PopupParent.<init>(Unk nown Source) at org.jdesktop.jdic.tray.internal.impl.WinTrayIconService.<init>(Unknown Source) at org.jdesktop.jdic.tray.internal.impl.ServiceManagerStub.getService(Unknown Source) at org.jdesktop.jdic.tray.internal.ServiceManager.getService(Unknown Source) at org.jdesktop.jdic.tray.TrayIcon.<init>(Unknown Source) at org.jdesktop.jdic.tray.TrayIcon.<init>(Unknown Source) at com.jivesoftware.LoginDialog.<init>(LoginDialog.java:92) at com.jivesoftware.Spark.<init>(Spark.java:52) at com.jivesoftware.Spark.<init>(Spark.java:37) at com.jivesoftware.Spark$1.run(Spark.java:117) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source) Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at javax.swing.MultiUIDefaults.getUIError(Unknown Source) at javax.swing.UIDefaults.getUI(Unknown Source) at javax.swing.UIManager.getUI(Unknown Source) at javax.swing.JPanel.updateUI(Unknown Source) at javax.swing.JPanel.<init>(Unknown Source) at javax.swing.JPanel.<init>(Unknown Source) at javax.swing.JPanel.<init>(Unknown Source) at javax.swing.JRootPane.createGlassPane(Unknown Source) at javax.swing.JRootPane.<init>(Unknown Source) at javax.swing.JFrame.createRootPane(Unknown Source) at javax.swing.JFrame.frameInit(Unknown Source) at javax.swing.JFrame.<init>(Unknown Source) at com.jivesoftware.Spark.<init>(Spark.java:53) at com.jivesoftware.Spark.<init>(Spark.java:37) at com.jivesoftware.Spark$1.run(Spark.java:117) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source)
    via by Derek DeMoro,
  • jconsole doesn't launch emitting NPE
    via by 800351,
    • java.lang.NullPointerException at javax.swing.MultiUIDefaults.getUIError(MultiUIDefaults.java:117) at javax.swing.UIDefaults.getUI(UIDefaults.java:721) at javax.swing.UIManager.getUI(UIManager.java:860) at javax.swing.JPanel.updateUI(JPanel.java:104) at javax.swing.JPanel.<init>(JPanel.java:64) at javax.swing.JPanel.<init>(JPanel.java:87) at javax.swing.JPanel.<init>(JPanel.java:95) at javax.swing.JRootPane.createGlassPane(JRootPane.java:482) at javax.swing.JRootPane.<init>(JRootPane.java:313) at javax.swing.JFrame.createRootPane(JFrame.java:247) at javax.swing.JFrame.frameInit(JFrame.java:228) at javax.swing.JFrame.<init>(JFrame.java:195) at oracle.ide.IdeCore$StartupWindow.<init>(IdeCore.java:1458) at oracle.ide.IdeCore.startupImpl(IdeCore.java:1084) at oracle.ide.Ide.startup(Ide.java:672) at oracle.ideimpl.Main.start(Main.java:49) at oracle.ideimpl.Main.main(Main.java:25)

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