Get Lein to run 32-bit JVM on Windows

[JvJ]

Is it possible to configure Leiningen to run a 32-bit JVM by default? I've already tried changing the LEIN_CMD and JAVA_HOME to the x86 executable paths, but it still runs the amd64 JVM.

Any tips? I'm doing this for overtone, since it doesn't support amd64 on Windows.

[David Powell]

I think you need to set LEIN_JAVA_CMD to affect the jvm actually used to start leiningen itself.

On Tue, Jul 5, 2016 at 9:35 AM, JvJ <kfjwh...@gmail.com> wrote:

Is it possible to configure Leiningen to run a 32-bit JVM by default?  I've already tried changing the LEIN_CMD and JAVA_HOME to the x86 executable paths, but it still runs the amd64 JVM.

Any tips?  I'm doing this for overtone, since it doesn't support amd64 on Windows.

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[JvJ]

I think when I wrote LEIN_CMD, I meant LEIN_JAVA_CMD.  I've already set it to the x86 JVM path, with no luck so far.

(System/getProperty "os.arch") still returns "amd64", and overtone still doesn't work right.

[Niels van Klaveren]

If system/getProperty "os.arch" says it's 64 bits, it means the processor is a 64 bits compatible processor, not that the Java process is 64 or 32 bits.
If you want to see what the JVM data model is you need to use (System/getPropery  "sun.arch.data.model") and see what it returns (either "32" or "64").

[JvJ]

My solution was to dual-boot linux.  I think it's about time anyway.