Chyba pri kompilácii javy

   [exec] Execute failed: java.io.IOException: Cannot run program "svnversion": CreateProcess error=2, Systém nemô?e nájs? zadaný súb
compile:
    [javac] Compiling 1205 source files to \workspace1\L2java - cista\L2_GameServer_It\build\classes

BUILD FAILED
\workspace1\L2java - cista\L2_GameServer_It\build.xml:67: Unable to find a javac compiler;
com.sun.tools.javac.Main is not on the classpath.
Perhaps JAVA_HOME does not point to the JDK.
It is currently set to "F:\Program Files\Java\jre1.6.0_03"

 Execute failed: java.io.IOException: Cannot run program

public static void main(String[] args)throws IOException{...

try{...catch(IOException e){ } }