If the Job Scheduler reports Java exceptions about out of memory (java heap space) when executing non-Java orders then you must increase the Java heap space. The message in the log file looks like follow
Com_set_error("Z-JAVA-105 Java exception java.lang.OutOfMemoryError("Java heap space"),
method=spooler_process()Z []","Remote_module_instance_server::step)
You can increase the Java heap space (set by the Job Scheduler when starting the Java VM) within the configuration file factory.ini, for example:
[java] options = -Xmx512m
For possible java vm options please see java VM documention http://download.oracle.com/javase/1.5.0/docs/tooldocs/windows/java.html#options