This has got nothing to do with your CLASSPATH, but the "PATH" or more correctly DOS PATH if you are developing in the Windows world. Somewhere in your PATH statment, preferably, as close to the front as possible, you should
set it to point to the "bin" directory of your jdk.
From looking at your classapth above, I would do something like:
I am assuming that you have basic familiarity with setting DOS environment variables. Just make sure that you have the path to the bin directory set as shown above. If you have other programs that need to be placed before the jdk bin directory as shown above, that is fine too.
You will have to reboot the computer after setting the PATH variable.
You may or may not have to reinstall Eclipse.
Hope this helps.