oh didn't see you were using 64bit linux
get the 64bit Jpcsp build then run
java -Xmx514m -Djava.library.path=lib/linux-amd64 -jar bin/jpcsp.jar
get the 64bit Jpcsp build then run
java -Xmx514m -Djava.library.path=lib/linux-amd64 -jar bin/jpcsp.jar
Try Out JPCSP Launcher v1.8.0.4 | How to post a log