We found the reason for the failure. It turns out there WAS a difference in
the data between the "good" and "bad" servers!
There is a qix (shape index?) file that is generated by GeoServer, either
upon deployment or first call to the application. This is something I
didn't know at first-- thinking the qix file was supplied with the data
set. However the "bad" server experienced a memory exception upon
deployment. We sorted that out (the details here:
http://docs.geoserver.org/stable/en/user/production/container.html), but
apparently the qix file remained in a corrupted state.
The kicker is that the file size of "good" and "bad" qix files were
identical causing the mistaken belief that the file contents were
identical. Finally, a md5sum check revealed the qix files were different.
The fix involved deleting the qix file which is located in the same folder
as our timezone data, and upon re-applying the WFS request, the qix file
was re-generated and the right data was returned.
On Wed, Dec 10, 2014 at 3:02 AM, Julian Hollingbery <[email protected]>
wrote:
> In my experience, if two identical servers behave differently, they are
> not really identical ;-)
>
> Although you only give configuration for one server, you seem to have
> checked the basics, namely Java, Tomcat and Geoserver versions.
> Next step is to check the data source: How do you refer to data? Is it the
> same physical bits and bytes? If it is a copy, try copying again.
>
> /julian
> ________________________________________
> Fra: John DiMiceli [[email protected]]
> Sendt: 9. december 2014 20:59
> Til: [email protected]
> Emne: [Geoserver-users] WFS GetFeature request fails
>
> Having trouble with 1 of 2 GeoServers that we deployed-- one works fine,
> the other has a problem as described below.
>
> The call that we use to test:
>
>
> http://xxx:8080/geoserver/xxx/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=xxx:tz_world_mp&cql_filter=CONTAINS%28the_geom,POINT%28-84+10%29%29&maxFeatures=1&propertyName=TZID&outputFormat=json
>
> What the "good" server returns:
>
> {"type":"FeatureCollection","totalFeatures":1,"features":[{"type":"Feature","id":"tz_world_mp.386","geometry":null,"properties":{"TZID":"America/Costa_Rica"}}],"crs":null}
>
> What the "bad" server returns:
> { "type": "FeatureCollection", "totalFeatures": 0, "features": [ ], "crs":
> null }
>
> Same exact call to both, the only difference is the host name.
>
> Also, poking around in the Data => Layer Preview, we notice that we are
> missing data at certain zoom levels-- but it's the SAME data as deployed on
> our "good" GeoServer.
>
> We are stumped. Both deployments should work the same but obviously
> something is different. I don't expect people to solve this remotely, but
> any hints as to where to look would be greatly appreciated.
>
> Background:
> jdk1.7.0_45_x64
> apache-tomcat-7.0.50
>
> Data
> http://efele.net/maps/tz/world/
>
> GeoServer:
> Version 2.6.1
> Build Date 15-Nov-2014 10:59
> GeoTools Version 12.1
> GeoWebCache Version 1.6.0
> Locks 0
> Free locks
> Connections 1
> Memory Usage 404 MB
> JVM Version Oracle Corporation: 1.7.0_45
> Native JAI false
> Native JAI ImageIO false
>
> GeoServer Log:
> 2014-12-02 14:41:19,036 INFO [geoserver.wfs] -
> Request: getServiceInfo
> 2014-12-02 14:41:19,041 INFO [geoserver.wfs] -
> Request: getFeature
> service = WFS
> version = 1.0.0
> baseUrl = http://xxx:8080/geoserver/
> query[0]:
> propertyName[0] = TZID
> filter = [ the_geom contains POINT (-84 10) ]
> typeName[0] = {http://xxx/geo/data/reference/}tz_world_mp
> maxFeatures = 1
> outputFormat = json
> resultType = results
> 2014-12-02 14:41:19,043 INFO [wfs.json] - about to encode JSON
>
> Thanks
>
> --
> John
>
>
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--
John
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