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  1. #1
    bbq
    bbq is offline Senior Member
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    Default java.lang.UnsupportedClassVersionError

    I'm working with an application in java3d, the code is compiled by JBuilder 9 and the libraries are:

    Java Code:
    j2re 1.4.2_13/java3d-utils-src.jar
    j2re 1.4.2_13/jre/lib/ext/j3daudio.jar
    j2re 1.4.2_13/jre/lib/ext/j3dcore.jar
    j2re 1.4.2_13/jre/lib/ext/j3dutils.jar
    j2re 1.4.2_13/jre/lib/ext/vecmath.jar
    I installed  "J2re 1.4.2_13" de java and  "java3d 1.3".
    When I try to execute it and this error appears:
    Java Code:
    java.lang.UnsupportedClassVersionError: javax/media/j3d/Node (Unsupported major.minor version 49.0)
    what's happening?

  2. #2
    Heather is offline Senior Member
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    Default

    Try with uninstall all java version and re-install J2re 1.4.2_13 and java3d 1.3. version
    And add the route of the J2re 1.4.2_13 in the PATH

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