I need help with my this Java Virtual Machine error on eclipse.

[cobywills]

So I'm trying to make a hacked client for minecraft, and ive installed all the software to do it. But when I go to open minecraft using eclipse. This error happens: (look at image attached)

I don't know if this has something to do with the error at the bottom but any help would be amazing! (Already tried setting max ram for java and adding -vm and then my java install location to eclipse.ini)