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  1. Commons Validator
  2. VALIDATOR-356

IDN.toASCII drops trailing dot in Java 6 & 7

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.4.1 Release
    • Fix Version/s: 1.5.0
    • Component/s: None
    • Labels:
      None

      Description

      The Java 6 method String java.net.IDN.toASCII(String) drops the final input character if it is a dot (or equivalent, see RFC3490 3.1 1)

      This causes problems for authority and domain validation.

      This problem has been seen in
      Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609)
      and
      Java(TM) SE Runtime Environment (build 1.7.0_65-b17)
      but appears to be fixed in
      Java(TM) SE Runtime Environment (build 1.8.0_25-b17)

      Note also that the Java 8 version throws
      java.lang.IllegalArgumentException: Empty label is not a legal name
      if the argument contains two consecutive dots.

      Fix to follow.

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            • Assignee:
              Unassigned
              Reporter:
              sebb Sebb
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              • Created:
                Updated:
                Resolved: