Web development: Java vs C ++

There is a need to choose a new platform for web development.

It was PHP. This is a good technology, but you need something heavier. Server infrastructure - * nix. That is .NET dismiss (and MONO too)

We also dismiss all scripting languages ​​(Perl, Python, Ruby, etc). Since there is no point in changing the awl to soap.
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Remains Java and C ++. These are pretty heavy technologies for large projects. Technology about one class.

So, who can say something about this? I especially want to hear from practitioners.