JVM failed to start "Could not reserve enough space for object"

 

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  • Could not reserve enough space for object heap to start JVM 3 answers

    • One of the possible causes is that you set the minimal heap size to reserve more memory than available. set using the -Xms flag to the java command. If this flag is set make sure this amount of memory is free for use on your system.

    Could not reserve enough space for object heap is mainly caused by providing a memory size to -Xmx which can not be allocated by the system.

    Windows 32 bit will give you (IIRC) about 2GiB maximum memory per process, Java needs some space for its internal stuff which leaves you with around 1.4 to 1.6GiB of maximum heap.

    Just try to lower the -Xmx parameter until it creates the VM.

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