ECJ Missing

If You Found This Massage 
Task cannot continue because ECJ is not installed.
ECJ was automatically installed. Please rerun your task.
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Please follow Below steps:-
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Open the given Directory.....

Plugin SDK > built.administrator.properties file in "edit+" or "notepad++"

u can see the given structure :-

     

     ##
     ## Compiler
     ##
     #javac.compiler=modern
     javac.compiler=org.eclipse.jdt.core.JDTCompilerAdapter

Uncomment this line "javac.compiler=modern" and place the "#" in the next line.

Hope it may helps :)