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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase client machine with multiple interfaces
Date Tue, 21 Oct 2014 17:36:35 GMT
Do you use ipv6 ?

If so, this is related:


On Tue, Oct 21, 2014 at 10:26 AM, Kevin <kevin.macksamie@gmail.com> wrote:

> Hi,
> I have connected a client machine with two network interfaces to an
> internal, isolated HBase cluster and an external network. The HBase cluster
> is on its own private LAN, away from the external network. After installing
> and updating the Hadoop and HBase configuration files on the client
> machine, I can run the HBase shell and look at tables, but
> TableInputFormatBase can't find any servers using its DNS checks. The
> machine is on the DNS for the external network so, from my understanding,
> the HBase client API will use this DNS to try and find the HBase cluster. I
> know there are master and regionserver DNS interface configurations, but
> are there anything for client libraries? My use case is running Pig scripts
> from the client machine. Oddly enough, sometimes a Pig script works, other
> times (most times) I get the NullPointerException from the
> org.apache.hadoop.net.DNS.reverseDns call.
> Any ideas?
> Thanks,
> Kevin

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