Hi,

we cache vector tiles without any problems now but I remember that we had to 
change a few cache settings for pbf.

Metatile size 1 X 1

gutter size 10

Also try removing all gridsets and re-add them.

See if it helps

Good luck !


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________________________________
De : Lucas Sousa <lucas.so...@magnet.coop>
Envoyé : 22 juillet 2021 11:32
À : geoserver-users@lists.sourceforge.net 
<geoserver-users@lists.sourceforge.net>
Objet : [Geoserver-users] Error when caching mapbox-vector-tile format tiles


Hi everyone,

We are having a problem when caching tiles using the PBF format in Geoserver 
(v2.19.0) using the GWC (v1.19.0) integration, Java OpenJDK 11 and Debian 10. 
The thing is if we cache using a different tile format such as PNG or GeoJSON 
everything works as expected. However, if try to cache tiles using PBF 
(mapbox-vector-tile) format the process throws an exception in Geoserver and 
caches just a few a tiles (we are using S3 blob store plugin to cache tiles). 
After the first try it doesn't cache anymore. We checked the Geoserver logs 
using the VERBOSE logging profile and we get the following exceptions:

Error dispatching tile request to GeoServer 
org.geowebcache.GeoWebCacheException: Problem communicating with GeoServer
Caused by: java.lang.IllegalStateException: Expected: RenderedImageMap, got null
java.lang.NullPointerException

I attached the full log file for the details.

A couple of details about the layers:

- They are stored in PostGIS (JNDI).

- The shape files are about 35.9 MiB.

Does anyone know what could be happening?

Thanks in advance.

--
LUCAS SOUSA DE FREITAS
(+34) 688 714 662


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