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I ran into a rather puzzling problem, trying to install Vuze 4.2.0.2 on my Windows 7. I have a Java 6 JDK 64bit, but Vuze complains that it can't find a correct 32bit JRE. Yet, as far as I know it shouldn't matter which Java is installed on the computer. (See also these answers).

Now I was wondering :

  1. if it makes sense running a 32bit and a 64bit Java on the same machine,

  2. Whether that is possible, and if so

  3. what I should pay attention to in order to make sure that the correct Java is found.

Thank you in advance

PS : I have my reasons no to use the latest Vuze, so please don't tell me to update Vuze. I know.

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While for pure Java programs it doesn't matter which JRE is installed, some programs use external libraries which may require 32bit or 64bit JRE. – AndrejaKo Dec 26 '10 at 13:29
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You don't need JDK to run Vuze, JRE should suffice. Apparently it does matter which Java is installed on the computer. I had a similar issue with 64bit Internet Explorer. So:

  1. Yes, it does
  2. Yes, it is possible to install both JREs
  3. You don't need to pay attention, it should find the appropriate version automatically.
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I know I only need JRE, but I'm developing in Java sometimes as well. Then the JDK comes in handy :-) Thx for the answer. – Joris Meys Dec 26 '10 at 22:10
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