How to upgrade DFS 6.5 SP3 to DFS 6.7 SP2

Migrateduser

Hi Expert,

We want to upgrade existing DFS 6.5 SP3 custom code to DFS 6.7 SP2 code and also we want to deploy this upgraded custom DFS code on tomcat server.How to generate .war file through EMC Composer?

Please share me the steps.

Thanks in advance!.

Regards,

Ram