Fix #50 by carrying through observed JAVA_HOME to the sudo

Author: nitsanw

bin/create-java-perf-map.sh

@@ -24,5 +24,5 @@ fi
 [ -d "$JAVA_HOME" ] || (echo "JAVA_HOME directory at '$JAVA_HOME' does not exist." && false)
 
 sudo rm $PERF_MAP_FILE -f
-(cd $PERF_MAP_DIR/out && sudo -u \#$TARGET_UID java -cp $ATTACH_JAR_PATH:$JAVA_HOME/lib/tools.jar net.virtualvoid.perf.AttachOnce $PID "$OPTIONS")
+(cd $PERF_MAP_DIR/out && sudo -u \#$TARGET_UID $JAVA_HOME/bin/java -cp $ATTACH_JAR_PATH:$JAVA_HOME/lib/tools.jar net.virtualvoid.perf.AttachOnce $PID "$OPTIONS")
 sudo chown root:root $PERF_MAP_FILE