https://cds.sun.com/is-bin/INTERSHOP...-CDS_Developer Select Linux (arm) Then download "Java SE for Embedded 6 Update 21 (Build 9) ARMv7 Linux - Headful, EABI, Hard Float (VFP), Little-Endian" Extract it to /opt/ Then make symlinks: In X Terminal, as root: ln -s /opt/ejre1.6.0_21/bin/* /usr/bin/ You can start jar files from your N900, as user (unless if the java application require root rights, which is rare): java -jar jarfile.jar