All those RED lines belongs to your Logger (may be log4j, slf4j or something similar). you need to add configuration for your loggers.
eg. for log4j you need to create "log4j.properties" file somewhere in classpath (best way: use source folder with name 'resources')
the minimum contents required for above file is:
As far as your program is running properly, you can ignore all these red lines. but if it fails, then you have to study all these lines to get exact reason.