Not able to run Eclipse Application. Can't even start Eclipse IDE

Question

I have an RCP product which doesn\'t run. Then I installed Eclipse freshly, and when I open Eclipse.exe it doesn\'t open Eclipse IDE. I get the error: NoClassDefFoundError:

Answer 1

create a batch file clearing the variables and run the RAD.

set IBM_JAVA_OPTIONS=
set _JAVA_OPTIONS=
set JAVA_TOOL_OPTIONS=
"C:\Program Files\IBM\RAD85\eclipse.exe" -product com.ibm.rational.rad.product.v85.ide