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Asked: 2026-05-20T02:43:40+00:00

Would anyone please give me ideas about forcing 64 bit jvm to run as

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Would anyone please give me ideas about forcing 64 bit jvm to run as 32-bit jvm?

I need to write a jse desktop application for bluetooth connection. For that i need to implement Bluecove jar . It has 32-bit files only. So i included -D32 under VM arguments in eclipse pulsar. But still i am getting the same error that displayed before adding the argument: bluecove_x64.dll missing. I tried with -d32, and it showed me “unrecognized option: d32”.

And it seems like i should install a 32-bit jvm that would run on 64-bit os. So, can anyone please tell me what exactly should i install? Java SDK in 32-bit or Eclipse software?

Thanks in advance!

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1 Answer

  1. Editorial Team

    Switching modes is only possible on Solaris. A JVM is either 64bit or 32bit, except on Solaris where both run modes are available in a single JVM.

    But anyway, if you don’t need more than 4Gig Ram, install the 32bit JVM also on 64bit Systems, because it is 10-15% faster and needs less memory.

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