Tanmay Bhattacharya wrote:..check if "codebase" and "href" in the JNLP file are correct. " ..
It didn't occur to you at this point, that it would be worth sharing the content of the JNLP, a link to it, or at least the domain, codebase & href?!? It seems you want to play 20 questions. FTR - I don't.
Try validating the version on the server using
JaNeLA.