Now I Get This Problem :
Buildfile: C:\Users\user\Desktop\eclipse\WorkSpace\L2jFrozen_GameServer\build.xml
prepare-local:
prepare-final:
init:
version:
[echo] L2jFrozen Gameserver Revision: 933
compile:
BUILD FAILED
C:\Users\user\Desktop\eclipse\WorkSpace\L2jFrozen_GameServer\build.xml:65: java.lang.UnsupportedClassVersionError: com/sun/tools/javac/Main : Unsupported major.minor version 51.0
Total time: 3 seconds