java: runjar_new 1: FSUM7351 not found

Hi,
I am getting are error message when i call a java program from shell script.

I have the java class in specified folder.
I could not find command 'java' in /bin folder.Is it the issue?

Please help me in this.

Thanks
Biju

What is the output of which java
What is the output of echo $PATH

This was some system related set up issue.