Hi Anil,
Here is a template that explain how to get the SM50 traces.
1. Call transaction SM50 (process list):
2. Process -> Trace -> Reset -> Workprocess Files
3. Key combination: F5 (select all), CTRL-Shift-F7 => Dialog box;
4. Set trace level=3 and ONLY(!) check the "Security" component;
If necessary, you must repeat these steps for each server (see
transaction SM51), unless you can use a specific server for
reproducing the error (for example, by excluding the load
distribution).
The traces will be in the dev_wX files in the work directory
Get a screenshot of STRUSTSSO2, that shows the J2EE Engine certificate import into the certificate list and the ACL. I can double check for you if you imported it ok.
Hope this helps,
Cathal