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  1. JDK
  2. JDK-4491407

HttpURLConnection.getHeaderFields throwing NullPointerException with build75

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 1.4.0
    • Fix Version/s: 1.4.0
    • Component/s: core-libs
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      beta2
    • CPU:
      sparc
    • OS:
      solaris_8

      Description

      HttpURLConnection.getHeaderFields() throwing java.lang.NullPointerException with
      build75. Same test passed with build 74.

      Exception message:

      ERROR: GetURLInfo.main(): exception occurred:
      java.lang.NullPointerException
      java.lang.NullPointerException
              at java.util.Collections$UnmodifiableCollection.<init>(Collections.java:974)
              at java.util.Collections$UnmodifiableList.<init>(Collections.java:1126)
              at java.util.Collections.unmodifiableList(Collections.java:1112)
              at sun.net.www.MessageHeader.getHeaders(MessageHeader.java:130)
              at sun.net.www.protocol.http.HttpURLConnection.getHeaderFields(HttpURLConnection.java:1027)
              at GetURLInfo.printAllHeaderFields(GetURLInfo.java:269)
              at GetURLInfo.PrintURLInfo(GetURLInfo.java:232)
              at GetURLInfo.main(GetURLInfo.java:64)


      How to reproduce it:
      ====================

      1.Take the attached GetURLInfo.java and GetURLInfo.data

      2. Execute as follows
      java -DproxyHost=webcache.east.sun.com -DproxyPort=8080 GetURLInfo -f GetURLInfo.data -o URLinfo_log

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            Assignee:
            jjb Josh Bloch
            Reporter:
            vakellasunw Venkata Akella (Inactive)
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              Dates

              Created:
              Updated:
              Resolved:
              Imported:
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