Hi,

see https://github.com/Graylog2/graylog-plugin-map-widget/issues/7 
and https://github.com/Graylog2/graylog2-server/issues/2113 for related 
issues.

Cheers,
Jochen

On Tuesday, 31 January 2017 02:16:03 UTC+1, GraylogUser wrote:
>
> Summary:
> If geolocation data is mapped to geo_points in ElasticSearch (to enable 
> bounding box/polygon/pin and distance searches), Graylog maps no longer 
> function with the new data.
>
> System: Graylog 2.1 OVA, ES and everything else as shipped in the OVA.
>
> Background:
> Enabled the geolocation processor on 27th September 2016 (over 4 months 
> ago).  The maps worked since that time without issue (I have another 
> problem with the maps - revolving around the apparent inability to 
> graph/map anything other than the message count - but that is a separate 
> discussion and I'll start a new thread for that).
>
> Decided to try and run some geo bounding box searches on ElasticSearch 
> using the geolocation info acquired (from 4 months ago to current).
>
> Only to discover that ES requires a mapping of the geolocation points to 
> be actual geo_points rather than strings (as the geolocation plugin creates 
> them now). Result: that 4 months worth of data is unusable.
>
> So the geolocation processor/plugin is loading geolocation data into a 
> geolocation-aware database, but *not* in a format that the 
> geolocation-aware database can use to do a native geo-based search.  This 
> in itself appears counterintuitive.
>
> So I added the mapping to ES (after a lot of digging - eventually found 
> the 1st reference below).  And the bounding box search works beautifully 
> (using a python script to query ES directly).
>
> However, all the maps are now broken and return status 500 errors when 
> clicking the "World Map" option in a geolocation enabled field (message 
> shown in the red background at lower part of screen):
> Could not load map information
> Loading map information failed: cannot POST 
> http://localhost/api/plugins/org.graylog.plugins.map/mapdata (500)
>
> Maps of the data before the change to the ES mapping still work as 
> expected - so can still map the old data.
>
> So it seems that I can have mapping ability in Graylog, _or_ I can do a 
> (python) bounding box/polygon/pin and distance search - but not 
> simultaneously have both?
>
> It would seem to me to be a bug - when I enabled the geolocation processor 
> I expected:
> 1) to be able to do a bounding box/polygon/pin-distance style search at a 
> later time (ie:that the location data is put in the db in a format the db 
> can _natively_ use in a geo query - a standard function of said db)
> 2) to have maps in the graylog interface
> 3) for 1 and 2 not to be mutually exclusive
>
> "1)" is currently not the case unless the geo_point mapping is added.
> "2)" only works while "1)" is not enabled.
>
> So the question is: How to fix maps in graylog without removing the 
> geo_point mapping from elasticsearch? Am confident this was a minor 
> oversight when the map processor/plugin was built.
>
> Note: The format of the data loaded into ES is unchanged - it is still a 
> string as such in query results eg: "srcip_geolocation" : 
> "-37.7204,145.0698" - it is only the mapping in ES that has been changed.
>
> References:
> Graylog plugin - elastic field types: Last post describes the way to 
> enable correct ES mapping of the geo_points.
>
> https://groups.google.com/forum/?hl=en#!searchin/graylog2/geopoint%7Csort:relevance/graylog2/G1hOxGMFls4/FDAsN3h3BQAJ
>
> Not sure if relevant, but this page indicated additional requirement for 
> the mapping, namely "lat_lon" : true - unsure if that is required/necessary 
> but it didn't cause any errors - I obviously changed the URL to suit my 
> graylog instance:
> ie: curl -XPUT 'localhost:9200/listing/listing/_mapping?pretty' -d 
> '{"listing": {"properties": {"rent": {"type": "intger"}, "location": 
> {"type": "geo_point", *"lat_lon": true*}}}}'
> https://gist.github.com/mastermunj/a58298bc56615b54d643
>

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