When install gregtech_1.7.10-5.08.19.jar can not go to the server.
no gregtech mod I can go.
client crash. the server does not break.
I found, like my mistake.
AS the first thing, I would try to use some normal version of JAVA and not the one year old one...try to update to Java 8 It can help or not....but the log in GITHUB has also Java7