I'm using Rational Team Concert 5.0.2, it's based on eclipse helios. I have disabled and suspended all validators, but it doesn't seem to work.
The errors are mainly about unbound classpath variable or missing required library.
I don't build projects in RTC, only use it as a source control tool. So I really don't care about the errors. But a project policy was set to not allow check in source code if error occurs. So I have to manually delete all markers in Problem tab before that. However, the errors always come back after a restart.
In eclipse there are two "types" of errors. Errors are
The latter is called "validation" and can be disabled. You cannot disable "real" errors.
If you want to ignore "real" errors: