Java 1.2.9

[bologeo]

Hello I try to install java pkg 1.2.9 on octave 3.8.2 (on windows 7 32 bit). 

this is the error :

pkg install java-1.2.9.tar.gz

Error while trying to install Java package:
JAVA_HOME environment variable does not properly point to a JDK
  Hint:
  JAVA_HOME should usually be set such that either:
  (on *nix:)
    <JAVA_HOME>/jre/lib/<arch>/client/ contains libjvm.so (file or symlink)
  (on OSX:)
    <JAVA_HOME>/../Libraries/ contains a file libclient.dylib
  (on Windows:)
    <JAVA_HOME>/jre/lib/<arch>/ contains a file jvm.cfg
  (<arch> depends on your system hardware, can be i386, x86_64, alpha, arm,
...)

  Use forward slashes as path separator, also on Windows
Aborting pkg install
error: called from 'pre_install' in file
C:\Users\Umbo\AppData\Local\Temp\oct-13\java\pre_install.m n
ear line 115, column 5
error: called from:
error:   C:\Octave\Octave-3.8.2\share\octave\3.8.2\m\pkg\private\install.m
at line 199, column 5
error:   C:\Octave\Octave-3.8.2\share\octave\3.8.2\m\pkg\pkg.m at line 394,
column 9



What can i do to install this pack?



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