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

jabref | ingebert | 4 years ago
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    "Find unlinked files" crashes

    jabref | 4 years ago | ingebert
    java.lang.IllegalArgumentException: Comparison method violates its general contract!
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    [REPO-650] TextPositionComparator is not compatible with Java 7 - Hippo Issues

    onehippo.com | 2 years ago
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    apache.org | 1 year ago
    java.lang.IllegalArgumentException: Comparison method violates its general contract!
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    liferay.com | 8 months ago
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    Java Comparator: Violates General Contract

    Stack Overflow | 3 years ago | innocenat
    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.mergeCollapse(TimSort.java:408)
      4. java.util.TimSort.sort(TimSort.java:214)
      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. Apache PDFBox
      PDFTextStripper.writeText
      1. org.apache.pdfbox.util.PDFTextStripper.writePage(PDFTextStripper.java:565)
      2. org.apache.pdfbox.util.PDFTextStripper.processPage(PDFTextStripper.java:457)
      3. org.apache.pdfbox.util.PDFTextStripper.processPages(PDFTextStripper.java:381)
      4. org.apache.pdfbox.util.PDFTextStripper.writeText(PDFTextStripper.java:340)
      4 frames
    4. net.sf.jabref
      FindUnlinkedFilesDialog$8.run
      1. net.sf.jabref.imports.PdfContentImporter.importEntries(PdfContentImporter.java:238)
      2. net.sf.jabref.imports.EntryFromPDFCreator.createBibtexEntry(EntryFromPDFCreator.java:74)
      3. net.sf.jabref.imports.EntryFromFileCreator.createEntry(EntryFromFileCreator.java:84)
      4. net.sf.jabref.imports.EntryFromFileCreatorManager.addEntrysFromFiles(EntryFromFileCreatorManager.java:125)
      5. net.sf.jabref.FindUnlinkedFilesDialog$8.run(FindUnlinkedFilesDialog.java:545)
      5 frames
    5. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame