[Geoserver-devel] [JIRA] (GEOS-10423) NullPointerException: GWC Layer MISS

GeoServer GeoServer Developer
1

Sander Mol created an issue

GeoServer / BugGEOS-10423

NullPointerException: GWC Layer MISS

Issue Type:

BugBug

Affects Versions:

2.20.2, 2.20.3

Assignee:

Unassigned

Attachments:

geoserver-error.log

Components:

GWC

Created:

16/Mar/22 2:33 PM

Priority:

MediumMedium

Reporter:

Sander Mol

Problem

Whenever I request a tile that is not cached (geowebcache-cache-result: MISS), I get a null pointer exception without a geowebcache-miss-reason header.

URL: https://<redacted-geoserver-url>/geoserver/ows/wms/?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image/png&TRANSPARENT=true&LAYERS=<redacted-layer-name>&WIDTH=256&HEIGHT=256&CRS=EPSG:4326&STYLES=&BBOX=51.94061279296875,5.086669921875,51.943359375,5.08941650390625&exceptions=application/json

After a second run, and the tile is cached (geowebcache-cache-result: HIT), I no longer get this error in GeoServer.

Set up

The GWC set up uses “direct WMS integration” and uses “no explicit TILED parameter”.

Error

Full logs as an attachment.

> 6 Mar 13:06:13 ERROR [org.geoserver.ows] -
> java.lang.NullPointerException
> at org.geoserver.gwc.wms.CachingWebMapService.invoke(CachingWebMapService.java:76)
> at org.geoserver.gwc.wms.CachingWebMapService.invoke(CachingWebMapService.java:41)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
> at org.geoserver.ows.util.RequestObjectLogger.invoke(RequestObjectLogger.java:51)
> at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
> at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)

Please let me know if more information is needed. To me, it looks like the missing geowebcache-miss-reason header might be related to the actual problem, but I am unsure how to debug this further.

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