java.lang.ClassCastException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • Java: Using TreeSet with a Class type
    via Stack Overflow by ueg1990
    ,
  • I can't iterate through TreeSet
    via by Unknown author,
  • Beginners problem with Groovy on Grails
    via Stack Overflow by Luixv
    ,
  • Serialize set with comparator using Gson
    via Stack Overflow by user58273
    ,
  • Error when using command line
    via GitHub by mahaha
    ,
    • java.lang.ClassCastException: javax.swing.KeyStroke at java.util.TreeMap.compare(TreeMap.java:1093) at java.util.TreeMap.put(TreeMap.java:465) at java.util.TreeSet.add(TreeSet.java:210) at javax.swing.JComponent.getManagingFocusBackwardTraversalKeys(JComponent.java:409) at javax.swing.JTextArea.<init>(JTextArea.java:203) at javax.swing.JTextArea.<init>(JTextArea.java:118) at client.clientChat.initComponents(clientChat.java:58) at client.clientChat.<init>(clientChat.java:37) at client.clientGUI.bChatActionPerformed(clientGUI.java:209) at client.clientGUI.access$100(clientGUI.java:18) at client.clientGUI$2.actionPerformed(clientGUI.java:134) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234) at java.awt.Component.processMouseEvent(Component.java:5488) at javax.swing.JComponent.processMouseEvent(JComponent.java:3126) at java.awt.Component.processEvent(Component.java:5253) at java.awt.Container.processEvent(Container.java:1966) at java.awt.Component.dispatchEventImpl(Component.java:3955) at java.awt.Container.dispatchEventImpl(Container.java:2024) at java.awt.Component.dispatchEvent(Component.java:3803) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822) at java.awt.Container.dispatchEventImpl(Container.java:2010) at java.awt.Window.dispatchEventImpl(Window.java:1774) at java.awt.Component.dispatchEvent(Component.java:3803) at java.awt.EventQueue.dispatchEvent(EventQueue.java:463) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

    Users with the same issue

    odd
    1 times, last one,
    tvrmsmith
    4 times, last one,
    johnxfly
    1 times, last one,
    aldrinleal
    2 times, last one,
    Unknown visitor1 times, last one,
    8 more bugmates