If you receive an error in ODI 10g like;
java.lang.Exception: Error during Session launching
First check whether your agents are working and test connection to repositories. If everything ok, you might have changed your repository name recently.
When you export your work and master repository and import to another schema or database and whether you connect to your imported repository, you change your repository name in your first environment.
Correct order is first rename your Master Repository name, log off / log on and change your Work Repository name and check below fields in both your Master and Work Repositories in both environments.
Master Repository : SNP_REM_REP
Work Repository : SNP_LOC_REPW
REP_NAME column of MASTER_REP.SNP_REM_REP should be equal to REP_NAME column in WORK_REP.SNP_LOC_REPW.
You cannot see WORK_REP.SNP_LOC_REPW value in ODI Topology Manager and if you are changing your repository name you need to update value from database.