Did you ever resolve this issue? I'm facing the same problem - locked down RHEL server with no GUI.
I'm on a RHEL 5.10 server. The initial install worked fine. I am switched to root and I've placed the jar file in the location you listed.
When I run just java -jar cf10_mdt_updt.jar, I get "(.:12663): Gtk-WARNING **: cannot open display:"
I also created a patch.props file:
and put it in that directory.
When I run java -jar cf10_mdt_updt.jar -i silent -f patch.props, I get the same error.
Can you help?
Please see the updated thread. I did as you state and it still gives me the error.
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Can you try to install mandatory update in the terminal of RHEL itself using GUI?