GeoKettle: Error running javac.exe compiler

Hi,
I am trying to use GeoKettle exactly as mentioned at
http://209.85.229.132/search?q=cache:JHfrxCo7y0YJ:forge.osor.eu/docman/view.php/143/250/Kettle_Devel_guide_v0.odt+geokettle+spoon+java+api&cd=2&hl=en&ct=clnk&client=firefox-a
But when I try to build it, i am getting the following error.
[javac] Compiling 135 source files to D:\workspace\geokettle\classes-core
BUILD FAILED
D:\workspace\geokettle\build.xml:74: Error running javac.exe compiler
Can anyone guide me please to resolve this problem.
Best Regards
Tabbasum

most likely the javac executable is not on the system path. Try typing 'javac -version' in a command prompt and see what response you get.
If it is something like 'javac is not a recognized...', locate where the JDK is installed and add its bin subdirectory to the PATH system variable. Restart any command prompt and type javac again.
You DID have a JDK installed, didn't you?

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GeoKettle: Error running javac.exe compiler

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