Java on Synology NAS

[rancew]

OK. I deleted Java 6 and tried to install Java 7 through Java Manager. I followed the link and instructions that Java Manager gave me to find and then download the correct version, which was: jdk-7u55-linix-i586.tar.gz

When I then select this file in the Java Manager screen and hit "OK" to install it, after about 10-15 seconds I get a message saying "Insufficient disc space", even though I have plenty of disc space.