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Interpreting Java version information

  • 1.  Interpreting Java version information

    Posted Wed October 19, 2016 11:55 AM

    Originally posted by: paul.brett


    A client was asking if the default Java that comes with IBM WebSphere TX 8.4.1.4 was higher than the minimum required version that their security guys had advised, which was 1.7.0_80.

    The release notes mention Java 7 SR9 FP30.

    When executing the java.exe -version command, the output is:

    java version "1.7.0"
    Java(TM) SE Runtime Environment (build pwi3270sr9fp30-20160112_01(SR9 FP30))
    IBM J9 VM (build 2.6, JRE 1.7.0 Windows 7 x86-32 20151222_283043 (JIT enabled, AOT enabled)
    J9VM - R26_Java726_SR9_20151222_1626_B283043
    JIT  - tr.r11_20151209_107111.01
    GC   - R26_Java726_SR9_20151222_1626_B283043
    J9CL - 20151222_283043)
    JCL - 20160112_01 based on Oracle jdk7u95-b13

    ....and it is not immediately obvious if this version is 'compliant' or not.

    The important bit for us is the last line:
    JCL - 20160112_01 based on Oracle jdk7u95-b13

    The 7u95 equates to 1.7.0_95, and is therefore in fact, higher than 1.7.0_80.

    I hope this helps out in the future.

    Thank-you.

    Paul.

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