Thread's log aren't flushed in the console when using the debugger

Hello,

I am using a package which was developed using Spring and it writes logs in the console using log4j.

I use the package in my java program and I have realized, that when I run the debugger and I stop in a breakpoint (in my java program, not in the package), then the messages are not flushed in the console till I let the program run again. It's like the debugger avoids flushing the log messages into the console which are generated in the background by classes of the package.

This is a problem in Intellij 14.1.5, I have tested the library in another IDEs (e.g eclipse) and it works fine.

Regards,
SkyDog