java.lang.ClassCastException

SingletonCheck cannot be cast to java.lang.Comparable

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Solutions on the web19029

  • via Coderanch by Patrio Jensen, 11 months ago
    SingletonCheck cannot be cast to java.lang.Comparable
  • via Coderanch by Katy Parsons, 9 months ago
    GVstack cannot be cast to java.lang.Comparable
  • org.kitteh.irc.client.library.implementation.ModeData$IRCChannelUserMode cannot be cast to java.lang.Comparable
  • Stack trace

    • java.lang.ClassCastException: SingletonCheck cannot be cast to java.lang.Comparable at java.util.concurrent.ConcurrentSkipListMap.comparable(ConcurrentSkipListMap.java:621) at java.util.concurrent.ConcurrentSkipListMap.doPut(ConcurrentSkipListMap.java:862) at java.util.concurrent.ConcurrentSkipListMap.putIfAbsent(ConcurrentSkipListMap.java:1893) at java.util.concurrent.ConcurrentSkipListSet.add(ConcurrentSkipListSet.java:202) at test3.ThreadRunner.run(ThreadRunner.java:15) at java.lang.Thread.run(Thread.java:619)

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