java at the 6410

How can i running java on the mini6410.
in the Debian i installed openjdk-6-jre but after running :java -jre
test.jar i get this message:
"Could not create the Java virtual machine"
Can you help me?

apt-get update

$ sudo apt-get install sun-java5-jdk

$ sudo update-java-alternatives -l

java-1.5.0-sun 53 /usr/lib/jvm/java-1.5.0-sun

java-6-sun 63 /usr/lib/jvm/java-6-sun

Hi,
I get Java running on the mini6410 with Debian in xfce. But is to slow, so
I get to qt.