[Gluster-users] GlusterFS writing file from Java using NIO

[Kaushal M]

We don't have a lot of Java developers around who can help you.

Maybe semiosis/Louis, the author of the java library can help you.

On Wed, Apr 27, 2016 at 1:03 PM, Patroklos Papapetrou
<patroklos.papapetrou at crossover.com> wrote:
> Hi all
>
> I'm new to GlusterFS so please forgive me if I'm using wrong mailing list or
> this questions has been already answered in the past.
> I have setup GlusterFS ( server and client ) to an Ubuntu instance and now
> I'm trying to use the Java library to read and write files.
>
> The Example.java works pretty fine but when I try to write a big file (
> actually after some tests I realized that "big file" = > 8k ) I get the
> following exception
>
> Exception in thread "main" java.lang.IllegalArgumentException
>     at java.nio.Buffer.position(Buffer.java:244)
>     at
> com.peircean.glusterfs.GlusterFileChannel.write(GlusterFileChannel.java:175)
>     at java.nio.channels.Channels.writeFullyImpl(Channels.java:78)
>     at java.nio.channels.Channels.writeFully(Channels.java:101)
>     at java.nio.channels.Channels.access$000(Channels.java:61)
>     at java.nio.channels.Channels$1.write(Channels.java:174)
>     at java.nio.file.Files.write(Files.java:3297)
>     at com.peircean.glusterfs.example.Example.main(Example.java:82)
>
> Which is caused because the bytes written are more than the buffer limit (
> 8192 ) . However the file is correctly written in Gluster.
>
> So here's my questions:
> 1. Is there any known issue in java lib?
> 2. Should I use another way of writing "big" files?
>
> BTW, trying to write the same file using the relative path of Gluster's
> mounted volume is working without any issues.
>
> Thanks for your response.
>
>
> --
> Patroklos Papapetrou | Chief Software Architect
> s: ppapapetrou
>
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