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Editorial Team
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Asked: 2026-05-26T04:09:25+00:00

I want to run a memory intensive package on a web server. Current computer’s

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I want to run a memory intensive package on a web server.

Current computer’s settings are…
Windows 7 64 bit
64-bit JVM
RAM: 8GB

When I try to run eclipse with
-Xms1024m -Xmx2048m -XX:MaxPermSize=256m

I get:

Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.

From posts that I read, it seems like I should be able to use more than 4GB of memory.
When I ran the code, I was able to max out the memory at -Xmx1200M and still be able to run the code. But for what I want to accomplish, I need to use more memory. How can I increase the memory size here?

Thank you everyone. The issue was that I was using a 32-bit version of JDK. I was able to run memory at 2GB after switching the JDK to the 64 bit version. Thanks!

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1 Answer

  1. Editorial Team

    The problem was that I was using a 32-bit version of JDK.

    Thank you, and thank you to Mister Smith for pointing out that I should answer it and mark it as solved.

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