[Photon] Newbie Installation Issue

[Richard Marsden]

Thanks for the quick reply Peter.
Yes it could be a little clearer. I've also found the "-h" option
which is helpful going forward.

I have it going now and was on the right track, but as is so often the
case with these complete-newbie-with-the-app situations, minor quirks
conspire to make it appear "un-runnable"!

The first time I ran it, it had no idea where the data was (actually a
different disk), and so it failed.
The next attempt, I'd actually guessed the default location correctly
before sending that email, but it still failed.
When photon starts it displays a few lines of log info (a warning
about the ElasticSearch node and then an INFO that the search node is
starting). It would appear it takes a few more seconds beyond that
before photon is ready to handle requests. I suspect disk caching also
played a part, and I do hear a few seconds of disk thrashing (which is
now shorter). [yes my test install is on a hard-disk - if I choose to
use this route for production then I would use or recommend an SSD]

So the answer: use the right directory, and wait a few seconds after
the log lines are printed before sending a test request!


Thanks again for your help!

Richard






On Wed, Apr 18, 2018 at 11:00 AM, Peter <graphhopper at gmx.de> wrote:
> Hi Richard,
>
> We should make it more clear. After you download the data a new folder
> photon_data is created and one directory higher you execute java -jar
> photon-*.jar
>
> Does this help?
>
>> I have never used Elasticsearch before - how does photon / elasticsearch
>> know where to find the data?
>
> Default searches at 'photon_data' or you specify -data-dir
>
> Regards
> Peter
>
>
> On 18.04.2018 17:56, Richard Marsden wrote:
>
> I'm trying to install and run Photon on a Ubuntu 16.04 system.
>
> I've downloaded photo-0.3.0 and the data (photon-db-latest.tar.bz2) as
> per the README.md instructions on github.
>
> Are there any other pre-requisites?
>
> I have never used Elasticsearch before - how does photon /
> elasticsearch know where to find the data?
>
> When I run the photon-0.3.0.jar I get a
> "org.elasticsearch.index.IndexNotFoundException: no such index"
> exception
> when I try opening the example "http://localhost:2322/api?q=berlin"
>  in
> a browser.
>
> Regards,
>
> Richard Marsden
>
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