We need use j2re for some customer. On any machines installed j2re without problme, but on new machines get a strangeous problem. If enter with wheel user and after su, become root java run with any problems. Code: java -version java version "1.4.2_05" Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_05-b04) Java HotSpot(TM) Client VM (build 1.4.2_05-b04, mixed mode) But how normal user (with bash shell) get this error: Code: java Error occurred during initialization of VM Could not reserve enough space for object heap I'm tryng to usefull help on Google but any solution for this problem. Any sugestion or idea?