Hi,
there was some recent changes in GeoServer \ GeoWebCache security mechanism, I 
was not involved in that work
so I don't know the details ... could you precise which version of GeoServer 
you are using ? This may help the involved
developers to give you some feedback.

That said, based on your description it looks to me that you find a bug, I mean 
if you can start a mass truncate for all the
layers you should for sure be able to truncate a specific layer unless there is 
some specific rule that forbids you to do it
for that layer (which would be very strange IMHO).

If you don't get any other feedback, I would suggest you to open a JIRA ticket 
about this, providing the necessary steps to
reproduce this with a default (vanilla) GeoServer.

Regards,

Nuno Oliveira

On 05/25/2017 11:26 AM, Alberto CD wrote:
Hi list,

I am spent a couple of days try to find a solution for this so If only I
could find help here that would be great.

Problem specification:

I am using GeoServer rest to truncate and seed layers after upload process
(done using the rest too).

Weird thing is /rest/truncate/masstruncate works fine but
rest/seed/workspace:layer.xml does not.

I am a bit lost about rest security and at the moment I have kept the
rest.properties file using default configuration.
/**;GET=ADMIN
/**;POST,DELETE,PUT=ADMIN

Using the curl command like so:
curl -v -u admin:passwd -XPOST -H "Content-type: text/xml" -d
"<seedRequest><name>tests:field_id_test_uavngb_products-uavngb_20150130_120502_GNDVI_test</name><srs><number>3857</number></srs><zoomStart>0</zoomStart><zoomStop>20</zoomStop><format>image/png8</format><type>seed</type><threadCount>02</threadCount></seedRequest>"
"http://IP:8080/geoserver/gwc/rest/seed/tests:field_id_test_uavngb_products-uavngb_20150130_120502_GNDVI_test.xml";

I get this *200 response*:
Note: Unnecessary use of -X or --request, POST is already inferred.
*   Trying IP...
* TCP_NODELAY set
* Connected to IP (IP) port 8080 (#0)
* Server auth using Basic with user 'admin'
POST
/geoserver/gwc/rest/seed/tests:field_id_test_uavngb_products-uavngb_20150130_120502_GNDVI_test.xml
HTTP/1.1
Host: IP:8080
Authorization: Basic DEyMzQ=
User-Agent: curl/7.51.0
Accept: */*
Content-type: text/xml
Content-Length: 261

* upload completely sent off: 261 out of 261 bytes
< HTTP/1.1 200 OK
< Date: Thu, 25 May 2017 10:03:29 GMT
< Server: Noelios-Restlet-Engine/1.0..8
< Transfer-Encoding: chunked
<
* Curl_http_done: called premature == 0
* Connection #0 to host IP left intact


When I check the *log in debug mode* I see:

2017-05-25 11:03:29,804 ERROR [org.geoserver.ows] -
org.geoserver.platform.ServiceException: Could not find layer
tests:field_id_test_uavngb_products-uavngb_20150130_120502_GNDVI_test
        at
org.geoserver.wms.map.GetMapKvpRequestReader.parseLayers(GetMapKvpRequestReader.java:1325)
        at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:231)
        at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:84)
        at org.geoserver.ows.Dispatcher.parseRequestKVP(Dispatcher.java:1489)
        at org.geoserver.ows.Dispatcher.dispatch(Dispatcher.java:677)
        at 
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:265)
        at
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
        at org.geoserver.gwc.GWC.dispatchOwsRequest(GWC.java:1207)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.dispatchGetMap(GeoServerTileLayer.java:618)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:563)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.seedTile(GeoServerTileLayer.java:757)
        at org.geowebcache.seed.SeedTask.doActionInternal(SeedTask.java:136)
        at org.geowebcache.seed.GWCTask.doAction(GWCTask.java:76)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:36)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:25)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
2017-05-25 11:03:29,797 DEBUG [org.geotools.util] -
InterpolationConverterFactory can be applied from Strings to Interpolation
only.
2017-05-25 11:03:29,806 DEBUG [org.geotools.util] - CRSConverterFactory can
be applied from Strings to CRS  only.
2017-05-25 11:03:29,806 DEBUG [org.geotools.util] -
InterpolationConverterFactory can be applied from Strings to Interpolation
only.
2017-05-25 11:03:29,806 DEBUG [org.geotools.util] - CRSConverterFactory can
be applied from Strings to CRS  only.
2017-05-25 11:03:29,806 ERROR [org.geoserver.ows] -
org.geoserver.platform.ServiceException: Could not find layer
tests:field_id_test_uavngb_products-uavngb_20150130_120502_GNDVI_test
        at
org.geoserver.wms.map.GetMapKvpRequestReader.parseLayers(GetMapKvpRequestReader.java:1325)
        at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:231)
        at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:84)
        at org.geoserver.ows.Dispatcher.parseRequestKVP(Dispatcher.java:1489)
        at org.geoserver.ows.Dispatcher.dispatch(Dispatcher.java:677)
        at 
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:265)
        at
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
        at org.geoserver.gwc.GWC.dispatchOwsRequest(GWC.java:1207)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.dispatchGetMap(GeoServerTileLayer.java:618)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:563)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.seedTile(GeoServerTileLayer.java:757)
        at org.geowebcache.seed.SeedTask.doActionInternal(SeedTask.java:136)
        at org.geowebcache.seed.GWCTask.doAction(GWCTask.java:76)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:36)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:25)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
2017-05-25 11:03:29,816 ERROR [org.geowebcache.seed.MTSeeder] -* Problem
communicating with GeoServer*
org.geowebcache.GeoWebCacheException: Problem communicating with GeoServer
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:568)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.seedTile(GeoServerTileLayer.java:757)
        at org.geowebcache.seed.SeedTask.doActionInternal(SeedTask.java:136)
        at org.geowebcache.seed.GWCTask.doAction(GWCTask.java:76)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:36)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:25)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
*Caused by: java.lang.IllegalStateException: Expected: RenderedImageMap, got
null*
        at
org.geoserver.gwc.layer.GeoServerTileLayer.dispatchGetMap(GeoServerTileLayer.java:621)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:563)
        ... 9 more
2017-05-25 11:03:29,816 ERROR [org.geowebcache.seed.MTSeeder] - Problem
communicating with GeoServer
org.geowebcache.GeoWebCacheException: Problem communicating with GeoServer
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:568)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.seedTile(GeoServerTileLayer.java:757)
        at org.geowebcache.seed.SeedTask.doActionInternal(SeedTask.java:136)
        at org.geowebcache.seed.GWCTask.doAction(GWCTask.java:76)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:36)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:25)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalStateException: Expected: RenderedImageMap, got
null
        at
org.geoserver.gwc.layer.GeoServerTileLayer.dispatchGetMap(GeoServerTileLayer.java:621)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:563)
        ... 9 more



*It's only works* when I set data security read access available to all
roles: *.*.r  Roles: *

Any help would be much appreciated.

Thanks in advanced




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Regards,
Nuno Oliveira
==
GeoServer Professional Services from the experts! Visit http://goo.gl/it488V 
for more information.
==

Nuno Miguel Carvalho Oliveira
@nmcoliveira
Software Engineer

GeoSolutions S.A.S.
Via di Montramito 3/A
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax:      +39 0584 1660272

http://www.geo-solutions.it
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