java.lang.IllegalArgumentException: Comparison method violates its general contract!

Stack Overflow | Tanu Garg | 9 months ago
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    Getting error: Comparison method violates its general contract

    Stack Overflow | 9 months ago | Tanu Garg
    java.lang.IllegalArgumentException: Comparison method violates its general contract!

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    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      Comparison method violates its general contract!

      at java.util.ComparableTimSort.mergeHi()
    2. Java RT
      Collections.sort
      1. java.util.ComparableTimSort.mergeHi(ComparableTimSort.java:835)
      2. java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:453)
      3. java.util.ComparableTimSort.mergeForceCollapse(ComparableTimSort.java:392)
      4. java.util.ComparableTimSort.sort(ComparableTimSort.java:191)
      5. java.util.ComparableTimSort.sort(ComparableTimSort.java:146)
      6. java.util.Arrays.sort(Arrays.java:472)
      7. java.util.Collections.sort(Collections.java:155)
      7 frames