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  1. JDK
  2. JDK-4056193

Debugger hangs reading variable on stack

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 1.1.2
    • Fix Version/s: 1.2.0
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      1.2alpha2
    • CPU:
      x86
    • OS:
      windows_nt
    • Verification:
      Not verified

      Description



      Name: wm7046 Date: 06/03/97


      The problem can be demonstrated by stepping through the Microsoft animation
      sample using our own GUI-based debugger. This hang is timing-sensitive and only
      occurs about 20% of the time from our experience. The problem can be reproduced
      by stepping through sample.main(). Typically, it will occur toward the bottom of
      the function, either before or after stepping over the last call to
      frame.show(). If you are unlucky, the debugger target (and debugger) will hang
      after one of the steps when the debugger tries to retrieve variable information.

      This is with all our SAS-provided JDK fixes in place. If one doesn't have those
      fixes on, then you have to be very lucky to get to the point in execution where
      this problem could manfest itself.

      >From our diagnosis of the bug, it is certainly possible that this problem could
      be reproduced with jdb. It would require the use of the print command after each
      step. So far, we have not actually reproduced the problem in this manner.
      ======================================================================

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            Assignee:
            sliangsunw Sheng Liang (Inactive)
            Reporter:
            mmma Marvin Ma (Inactive)
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