On my local machine the problem doesn't seem to occur. Any idea on what could be the problem? Need more information?
Server:
java version "1.7.0_21"
Java SE Runtime Environment (build 1.7.0_21-b11)
Java HotSpot 64-Bit Server VM (build 23.21-b01, mixed mode)
Local:
java version "1.6.0_27"
OpenJDK Runtime Environment (IcedTea6 1.12.5) (6b27-1.12.5-0ubuntu0.12.04.1)
OpenJDK 64-Bit Server VM (build 20.0-b12, mixed mode)