Hello, I actually have a memory problem in Jaspersoft previews. I often see in online forums to set JAVA_MEM_OPTS. Example: -server -Xmx3000M -Xms500M -XX:MaxPermSize=512m -XX:-UseThreadPriorities -XX:JavaPriority1_To_OSPriority=127 -XX:JavaPriority2_To_OSPriority=127 -XX:JavaPriority3_To_OSPriority=127 -XX:JavaPriority4_To_OSPriority=127 -XX:JavaPriority5_To_OSPriority=127 -XX:JavaPriority6_To_OSPriority=127 -XX:JavaPriority7_To_OSPriority=127 -XX:JavaPriority8_To_OSPriority=127 -XX:JavaPriority9_To_OSPriority=127 -XX:JavaPriority10_To_OSPriority=127 -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -Dsun.rmi.dgc.client.gcInterval=600000 -Dsun.rmi.dgc.server.gcInterval=600000 -XX:SoftRefLRUPolicyMSPerMB=1 My question is how and where do I need to set this kind of parameter? Thanks for any help...