That seems very likely. We tracked it to the features arriving as
FilteringFeatureCollection rather than the expected SimpleFeatureCollection in
GML2FeatureInfoOutputFormat.java line 77 and throwing a hissy fit there, and I
was wondering what would cause them to show up like that, from apparently
exactly the same data source and flow. (And I was just about to write a
question about that).
It tracks well with those layers using a large SLD. I'll give it a whirl
tomorrow when I am back at the machines, but I am almost entirely certain
that's it.
Thanks a lot; that SLD connection could have taken quite a while to dawn on me,
even though it makes perfect sense now you mention it.
JWN
From: Justin Deoliveira [mailto:jdeol...@opengeo.org]
Sent: 20. november 2012 20:57
To: Andrea Aime
Cc: Jes Wulfsberg Nielsen; geoserver-users@lists.sourceforge.net
Subject: Re: [Geoserver-users] ClassCastException: FilteringFeatureCollection
cannot be cast to SimpleFeatureCollection
I believe this was this issue:
http://jira.codehaus.org/browse/GEOS-5377
Which unless i am mistaken was fixed slightly after the 2.2.1 release (Oct 28).
You may want to try out a recent nightly build, or wait until 2.2.2 is released.
-Justin
On Tue, Nov 20, 2012 at 10:14 AM, Andrea Aime
<andrea.a...@geo-solutions.it<mailto:andrea.a...@geo-solutions.it>> wrote:
On Tue, Nov 20, 2012 at 5:42 PM, Jes Wulfsberg Nielsen
<j...@northtech.dk<mailto:j...@northtech.dk>> wrote:
We have upgraded from v2.1.4 to v2.2.1 (using an Oracle database), and are now
seeing an error when doing FeatureInfo requests against some (but not all)
layers using INFO_FORMAT=application%2Fvnd.ogc.gml:
<ServiceException>
java.lang.ClassCastException:
org.geotools.data.store.FilteringFeatureCollection cannot be cast to
org.geotools.data.simple.SimpleFeatureCollection
org.geotools.data.store.FilteringFeatureCollection cannot be cast to
org.geotools.data.simple.SimpleFeatureCollection
</ServiceException>
Interestingly, if requesting a GML format 3.1.1
(application%2Fvnd.ogc.gml%2F3.1.1), it works without errors.
When googling, I see mention of the same class cast error (and it quickly being
fixed) ~2 years back, in v2.1.
Before going on a wild bug hunt here, I wanted to throw a quick question
whether this is a regression or otherwise known issue?
Not known to me, at least. It would be good if you could isolate what
set of conditions make the problem appear
Cheers
Andrea
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