Welcome to the Jazz Community Forum
EWM 7.0.2 plain java API: version mismatch for the "com.ibm.team.repository" service

Accepted answer
One other answer

Ask if your contacts can make a 7.0.2 plus candidate M5 plain Java Client Libraries available.
Comments

The same should happen with the Eclipse client. This is a problem.

The eclipse client is working normally. Only my java program cannot connect with server.

This does not make sense to me. The code used by the Plain Java Client Libraries is exactly the code used by the RTC SDK and the Eclipse client. Please check, if you are really using the plain Java Client Libraries for 7.0.2 and not an older version. Also make sure to use at least Java 8. Check the URL.

I have not seen any issues with with the Plain Java client libraries when upgrading from 6.0.6.1 to 7.0.x. One import one is, that the Java Version has to be at least 1.8