Dear Luca,
Thanks for your quick help. I have now uninstalled IDEA14 and installed 12.1.7.
After installing 12.1.7, I have checked that Gosu SDK was not there in the Project Structure. Disabled Groovy and restarted. Downloaded and installed Gosu from repository. Then restarted it again. While it strats again it gives the following error:
Plugin com.guidewire.gosu failed to initialize and will be disabled: gw/plugin/ij/core/GosuAppComponent; Unsupported major.minor version 52.0 [Plugin: com.guidewire.gosu] Please restart Intellij IDEA.
Is it not compatible with JDK I am using? Request your kind help please.
Thanks and regards,
Tapas Das