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  1. JDK
  2. JDK-7036544

Error message "Unable to load native library" not verbose enough

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    • Icon: Enhancement Enhancement
    • Resolution: Won't Fix
    • Icon: P5 P5
    • None
    • 6u24
    • hotspot
    • x86
    • windows_xp

      FULL PRODUCT VERSION :
      > java -version
      java version "1.6.0_24"
      Java(TM) SE Runtime Environment (build 1.6.0_24-b07)
      Java HotSpot(TM) Client VM (build 19.1-b02, mixed mode, sharing)

      ADDITIONAL OS VERSION INFORMATION :
      > ver
      Microsoft Windows XP [Version 5.1.2600]


      A DESCRIPTION OF THE PROBLEM :
      When creating a "minimal distribution" (in this use case: putting required parts of the JDK under version control for reproducability while not checking in 100 MB of data, just the required files), I found a problem.

      > javac
      Error occurred during initialization of VM
      Unable to load native library: Can't find dependent libraries

      The error message really should give me information about WHICH LIBRARY couldn't load and WHICH DEPENDENT LIBRARY is missing.

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      mkdir foo
      mkdir foo/bin
      cp $JDK_HOME/bin/javac foo/bin/
      Then run
      foo/bin/javac
      and copy the missing files to foo/ until you get the error message.

      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      The expected result is that the process of starting with foo/bin/javac.exe and copying files to the foo/bin/ directory until foo/bin/javac.exe runs successfully works to create a minimal distribution for a particular use case.

      ACTUAL -
      This does not work because at some point the JDK / JRE gives error messages which no longer help in solving the problem.

      ERROR MESSAGES/STACK TRACES THAT OCCUR :
      Error occurred during initialization of VM
      Unable to load native library: Can't find dependent libraries


      REPRODUCIBILITY :
      This bug can be reproduced always.

      CUSTOMER SUBMITTED WORKAROUND :
      no satisfying workaround found

            zgu Zhengyu Gu
            webbuggrp Webbug Group
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