My server is ubuntu 12.04, and I use shell in windows to login in. I have installed openjdk-7-jre. After I type idb it stared a interface, but soon after it's getting ready, it's disappear, and in the shell it's said
Xlib: extension "RANDR" missing on display "localhost:11.0".
Can anyone help me what does this mean? Any suggestion would be appreciated!