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

Sakai JIRA | Aaron Zeckoski | 4 years ago
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    Internal Comparator violates its general contract

    GitHub | 2 years ago | sobolk
    java.lang.IllegalArgumentException: Comparison method violates its general contract!
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    Routed Request Pipe - Internal server error

    GitHub | 3 years ago | TheAndrey
    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.TimSort.mergeHi()
    2. Java RT
      Collections.sort
      1. java.util.TimSort.mergeHi(TimSort.java:868)
      2. java.util.TimSort.mergeAt(TimSort.java:485)
      3. java.util.TimSort.mergeForceCollapse(TimSort.java:426)
      4. java.util.TimSort.sort(TimSort.java:223)
      5. java.util.TimSort.sort(TimSort.java:173)
      6. java.util.Arrays.sort(Arrays.java:659)
      7. java.util.Collections.sort(Collections.java:217)
      7 frames
    3. org.sakaiproject.content
      ResourcesAction.buildMainPanelContext
      1. org.sakaiproject.content.tool.ListItem.getListItem(ListItem.java:275)
      2. org.sakaiproject.content.tool.ResourcesAction.buildListContext(ResourcesAction.java:4314)
      3. org.sakaiproject.content.tool.ResourcesAction.buildMainPanelContext(ResourcesAction.java:4625)
      3 frames