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Can I use 32-bit Eclipse RCP on 64-bit Mac OS X?

I got eclipse RCP juno 64-bit crashes on Mac OS X and I posted this question on StackExchange Mac - https://apple.stackexchange.com/questions/67104/eclipse-rcp-juno-64-bit-crashes-on -mac-os-x . And, I think, I have no choice but to use the 32-bit version.

  • Is it possible to use 32-bit eclipse for 64-bit OS (Lion) and 64-bit java (java 1.7 sdk)?
  • How about code compatibility? Is it possible to open the workspace using a 64-bit eclipse created from a 32-bit eclipse?
  • What is the difference between a 32-bit and 64-bit eclipse? Or, what are the pros and cons between them? Why do they save a 32-bit eclipse in a 64-bit world?
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You need a 32-bit JVM to use 32-bit Eclipse, and you need a 64-bit JVM to use 64-bit Eclipse.

Please note that the 32-bit JVM can run on a 64-bit OS. I have a 64-bit version of Windows 7 with 32-bit and 64-bit JVMs installed. I sometimes have to edit the eclipse.ini file to make sure that the correct JVM is selected.

There are no differences in compatibility with workspaces between 32-bit / 64-bit variants of the same version. The native bits, which are 32-bit / 64-bit, are for the built-in interface and file system integration.

If you are using a 64-bit OS, you should use the 64-bit JVM / Eclipse. This avoids many memory problems that can lead to 32-bit installations. For example, often a 32-bit JVM / Eclipse does not start with -Xmx1024m due to fragmentation of the address space.

Eclipse's 32-bit builds are still in production because there are still quite a lot of 32-bit OSs.

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Source: https://habr.com/ru/post/1439423/

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