Hi Andrea,
I have already stepped on this issue like one month ago and I was not
able to reproduce it and it never happen again so I forget about it.
Well now I just able to reproduce it :( I use the Tasmania layer group
and the Tasmania roads layer:
1. Open in a new tab the layer groups page
2. Open in another tab the layers page
3. Open a the Tasmania layer group and change the layers draw order and
click save
4. Open the Tasmania roads layer and change the default style
5. Open the layer group again and change the roads layer style to another
6. Try to save, the error will happen:
With this steps it happens always :(
Regards,
Nuno Oliveira
On 03/13/2017 09:27 AM, Andrea Aime wrote:
Hi,
playing with GeoServer master I stumbled into this trace a couple of
times, saving a layer group:
2017-03-04 14:42:20,086 WARN [geoserver.web] - Error adding/modifying
layer group.
java.lang.IllegalArgumentException: not a proxy instance
at java.lang.reflect.Proxy.getInvocationHandler(Proxy.java:816)
at
org.geoserver.catalog.impl.CatalogInfoLookup.update(CatalogInfoLookup.java:95)
at
org.geoserver.catalog.impl.DefaultCatalogFacade.save(DefaultCatalogFacade.java:500)
at org.geoserver.catalog.impl.CatalogImpl.save(CatalogImpl.java:946)
at
org.geoserver.security.SecureCatalogImpl.save(SecureCatalogImpl.java:1352)
at
org.geoserver.catalog.impl.AbstractFilteredCatalog.save(AbstractFilteredCatalog.java:740)
at
org.geoserver.catalog.impl.AbstractCatalogDecorator.save(AbstractCatalogDecorator.java:446)
at
org.geoserver.catalog.impl.LocalWorkspaceCatalog.save(LocalWorkspaceCatalog.java:218)
at
org.geoserver.web.data.layergroup.LayerGroupEditPage.doSaveInternal(LayerGroupEditPage.java:309)
at
org.geoserver.web.publish.PublishedConfigurationPage.doSave(PublishedConfigurationPage.java:255)
at
org.geoserver.web.publish.PublishedConfigurationPage$6.onSubmit(PublishedConfigurationPage.java:241)
at org.apache.wicket.markup.html.form.Form.delegateSubmit(Form.java:1307)
at org.apache.wicket.markup.html.form.Form.process(Form.java:974)
at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:795)
at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:708)
Now, the thing is, I cannot find a way to reproduce it, it just
"happens" and I cannot figure out why.
Could anyone help me track down this beast? Once it happens I see the
only way to fix things is
to reload the configuration.
If you're into the code, here is a description of what's going on.
The catalog facade on update needs to verify a few properties changed,
and needs
to be submitted a ModificationProxy wrapping the actual catalog object
to do so. Now, properly written
code always satisfies this property, e.g.:
Catalog catalog = ...
LayerGroupInfo lg = catalog.getLayerGroupByName(...); // lg is a proxy
here
// change lg properties
catalog.save(lg); // saving the wrapper proxy here
However, somewhere somehow, when saving a group on the UI the catalog
gets a non wrapped object,
which does not allow to check what properties changed.
At first I thought it was due to the DefaultCatalogFacade changes, but
I see the old catalog would
have tried to unwrap the proxy anyways to send events around, so I
guess it's something new in the UI
behavior instead.
Cheers
Andrea
--
==
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==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via di Montramito 3/A
55054 Massarosa (LU)
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 339 8844549
http://www.geo-solutions.it
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==
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==
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
mob: +39 333 8128928
http://www.geo-solutions.it
http://twitter.com/geosolutions_it
-------------------------------------------------------
AVVERTENZE AI SENSI DEL D.Lgs. 196/2003
Le informazioni contenute in questo messaggio di posta elettronica e/o nel/i
file/s allegato/i sono
da considerarsi strettamente riservate. Il loro utilizzo è consentito
esclusivamente al destinatario del messaggio, per le finalità indicate
nel messaggio stesso. Qualora riceviate questo messaggio senza esserne il
destinatario, Vi preghiamo cortesemente di darcene notizia via e
-mail e di procedere alla distruzione del messaggio stesso, cancellandolo dal
Vostro sistema. Conservare il messaggio stesso, divulgarlo
anche in parte, distribuirlo ad altri soggetti, copiarlo, od utilizzarlo per
finalità diverse, costituisce comportamento contrario ai
principi dettati dal D.Lgs. 196/2003.
The information in this message and/or attachments, is intended solely for the attention and use of
the named addressee(s) and may be confidential or proprietary in nature or
covered by the provisions of privacy act (Legislative Decree
June, 30 2003, no.196 - Italy's New Data Protection Code).Any use not in accord
with its purpose, any disclosure, reproduction, copying,
distribution, or either dissemination, either whole or partial, is strictly
forbidden except previous formal approval of the named
addressee(s). If you are not the intended recipient, please contact immediately
the sender by telephone, fax or e-mail and delete the
information in this message that has been received in error. The sender does
not give any warranty or accept liability as the content,
accuracy or completeness of sent messages and accepts no responsibility for
changes made after they were sent or for other risks which
arise as a result of e-mail transmission, viruses, etc.
------------------------------------------------------------------------------
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dictionary content that is easy and intuitive to access. Sign up for an
account today to start using our lexical data to power your apps and
projects. Get started today and enter our developer competition.
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