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  1. Commons Collections
  2. COLLECTIONS-474

Exception in ListOrderedMap#putAll if map contains null values

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 4.0
    • 4.0-alpha1, 4.0
    • Map
    • None
    • java 1.7.0_09

    Description

      Dear apache developers, thanks for the great project. Recently, I encountered an IndexOutOfBoundsException in ListOrderedMap in the latest revision (r1495998) with the crash stack trace:
      Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 2, Size: 1
      at java.util.ArrayList.add(ArrayList.java:367)
      at org.apache.commons.collections4.map.ListOrderedMap.put(ListOrderedMap.java:448)
      at org.apache.commons.collections4.map.ListOrderedMap.putAll(ListOrderedMap.java:246)
      at Test.main(Test.java:15)

      I've also attached a test case that can reproduce this crash.

      I think this test case actually reveals the bug reported in COLLECTIONS-411 (https://issues.apache.org/jira/browse/COLLECTIONS-411). However, it seems that the original patch for COLLECTIONS-411 missed a corner case.

      Could you please check if this is indeed a bug? Thanks!

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            Unassigned Unassigned
            cning Ning Chen
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