java.lang.ClassCastException: java.util.HashMap cannot be cast to java.lang.Comparable

  1. 0

    How to Sort Set<Map<String, Object>> in Java?

    Stack Overflow | 4 months ago | Sushobhit Rajan
    java.lang.ClassCastException: java.util.HashMap cannot be cast to java.lang.Comparable
  2. 0

    Bug 481003 – Report onPageEnd and onPageStart scripts broken at report render time with ClassCastException

    eclipse.org | 11 months ago
    org.eclipse.birt.report.engine.api.EngineException: Error happened while running the report.
  3. 0

    Getting Java exception when previewing a report in BIRT Designer 4.4.2

    Eclipse Bugzilla | 2 years ago | alekseyivkin
    org.eclipse.birt.report.engine.api.EngineException: Error happened while running the report.
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    Report onPageEnd and onPageStart scripts broken at report render time with ClassCastException

    Eclipse Bugzilla | 1 year ago | kentoj
    org.eclipse.birt.report.engine.api.EngineException: Error happened while running the report.
  6. 0

    NavigableSet can't add different sub class

    Stack Overflow | 2 years ago
    java.lang.ClassCastException: com.simon.main.AModel cannot be cast to java.lang.Comparable

    2 unregistered visitors
    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.ClassCastException

      java.util.HashMap cannot be cast to java.lang.Comparable

      at java.util.TreeMap.compare()
    2. Java RT
      TreeSet.<init>
      1. java.util.TreeMap.compare(TreeMap.java:1290)
      2. java.util.TreeMap.put(TreeMap.java:538)
      3. java.util.TreeSet.add(TreeSet.java:255)
      4. java.util.AbstractCollection.addAll(AbstractCollection.java:344)
      5. java.util.TreeSet.addAll(TreeSet.java:312)
      6. java.util.TreeSet.<init>(TreeSet.java:160)
      6 frames