But, the issue is that I am not able to import the jobs into other projects in the same installation of talend.
If the problem still exists, it should be a bug. TOS2.4.2 is very old version, the latest version is TOS3.2.1.
Any idea what is this DefaultOracleTypeMigrationTask?
When creating one project, I got a message "Using Oracle as default db for ...." and the jobs import fine into that project. Not able to do the same for other projects.