I had the same problem running OpenEMM 5.5.1 on RHEL 5.3 and OpenJDK 1.6.0. Looks like in some configuration no system-font can be found. System: Red Hat Enterprise Linux Server release 5.3 (Tikanga) Java: java version "1.6.0" OpenJDK Runtime Environment (build 1.6.0-b09) OpenJDK 64-Bit Se...