MappedFile call sync occur Cannot allocate memory

Alan Bateman Alan.Bateman at
Tue Dec 10 08:34:37 UTC 2013

On 10/12/2013 00:05, fuyou wrote:
> I write a MappedFile ,and a task call sync write to disk.
> but occur :
> Cannot allocate memory
>       at java.nio.MappedByteBuffer.force0(Native Method)
>       at java.nio.MappedByteBuffer.force(
> the os is Red Hat Enterprise Linux Server release 5.4
> java is java version "1.6.0_23"
It means that the underlying msync has failed but it's not clear why. I 
suspect you'll need to poke around on the system to see if this is 
resource related.


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