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SPSS Client error: Not enough memory for a Java maximum heap of 256M

  • 1.  SPSS Client error: Not enough memory for a Java maximum heap of 256M

    Posted Tue August 26, 2025 09:21 AM

    Hoi,

    Is there a solution for the message SPSS Client error: Not enough memory for a Java maximum heap of 256M? I read the explanation below but I can no longer open the link to the solution.

    how to fix | SPSS Statistics



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    Ralph de Vaan
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  • 2.  RE: SPSS Client error: Not enough memory for a Java maximum heap of 256M

    Posted Wed September 03, 2025 03:07 PM

    Hi @Ralph de Vaan,
    IBM recently changed the policy for its knowledgebase articles.  Now, to see them you must login with your IBMid and that IBMid must have valid entitlement to an IBM product. If you have not purchased IBM SPSS Statistics recently and/or do not have an active Support contract, you likely will not see most technotes.

    the relevant portion of this one is:

    Diagnosing The Problem

    Java heap likes to reserve memory in a contiguous block.  The error message here is saying that java cannot get a contiguous block of memory this size. 

    Assuming this is in fact true, you will want to look into:
    - the available RAM on your computer
    - the number of other applications you are running prior to launching SPSS Statistics, and how these applications are using memory.


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    David Dwyer
    Global Solution Consultant
    IBM
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    Original Message


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