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From Josh Elser <>
Subject Re: Accumulo 1.7.1 on Docker
Date Mon, 14 Mar 2016 17:31:55 GMT
So, I got it running, and ran into the same problem you described.

The odd thing is that both the Accumulo Master and TabletServer seemed 
to be... stuck. They both claimed to be running, but they were both hung 
(unable to communicate). This ultimately caused the TabletServer to lose 
its ZooKeeper lock (and why the Shell didn't think it was running).

I'm running into all sorts of docker issues ATM (trying to upgrade now, 
hoping it will help), but I'd recommend trying to increase the amount of 
heap for both the master and tserver from 128M to 256M in 
/accumulo-1.7.1/conf/ (the -Xmx value).

Josh Elser wrote:
> Ok! Thanks, I'll look for that script.
> We're not too... docker-savvy here yet :), but we can definitely help
> out if we can find an automation script. Let me get back to you.
> Sven Hodapp wrote:
>> Hi Josh,
>> thanks for your answer.
>> Currently I haven't uploaded the Dockerfile... If you want I'll upload
>> it!
>> (But currently it only is an debian with ssh, rsync, jdk7, the
>> unzipped distributions of hadoop, zookeeper and accumulo, and the set
>> of environment variables)
>> Currently, and for testing, I start all things manually.
>> The steps I do is documented in / within the docker container.
>> I've enshured that dfs and zookeeper are up before starting accumulo.
>> Regards,
>> Sven
>> ----- Ursprüngliche Mail -----
>>> Von: "Josh Elser"<>
>>> An: "user"<>
>>> Gesendet: Montag, 14. März 2016 15:41:16
>>> Betreff: Re: Accumulo 1.7.1 on Docker
>>> Hi Sven,
>>> I can't seem to find the source for your Docker image (nor am smart
>>> enough to figure out how to extract it). Any chance you can point us to
>>> that?
>>> That said, I did run your image, and it looks like you didn't actually
>>> start Hadoop, ZooKeeper, or Accumulo.
>>> Our documentation treats Hadoop and ZooKeeper primarily as
>>> prerequisites, so check their docs for good instructions.
>>> For Accumulo -
>>> Configuration:
>>> Initialization:
>>> Starting:
>>> Sven Hodapp wrote:
>>>> Dear reader,
>>>> I'd like to create a docker image with accumulo 1.7.1.
>>>> I've install it from scratch with hadoop-2.7.2, zookeeper-3.4.8 and
>>>> accumulo-1.7.1.
>>>> I'm going though the installation and every time I'll end up like that:
>>>> root@deebd8e29683:/# accumulo shell -u root
>>>> Password: ******
>>>> 2016-03-13 13:18:31,627 [trace.DistributedTrace] INFO : SpanReceiver
>>>> org.apache.accumulo.tracer.ZooTraceClient was loaded successfully.
>>>> 2016-03-13 13:20:31,955 [impl.ServerClient] WARN : There are no
>>>> tablet servers:
>>>> check that zookeeper and accumulo are running.
>>>> Anybody got an idea whats wrong? I have no idea anymore...
>>>> I'll currently share this docker image on docker hub.
>>>> If you want to try it you can simply start:
>>>> docker run -it themerius/accumulo /bin/bash
>>>> All binaries and configs are in there. In ./ are my setup steps.
>>>> Regards,
>>>> Sven

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