the apache 2.2 or even 2.0 will work. 2.2 is probably default install for most modern linux distributions. usually there is even a package to have this installed.
then to connect apache to tomcat, you will want the mod_jk apache module, which usually also is available as a pre-built package for your distribution.
I recommend trying to work within the package manager builds if this is your first time getting this set up, it is possible to compile apache and mod_jk from their sources too, but usually this would be only required to enable support for special modules not in the default distribution, or to have a hardened locked down build with some features removed, or to have everything exist in a non-standard prefix.
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