[Geoserver-users] PNG8 Image format throws ColorIndexer Exception after java native libs are installed

Hi everybody,

recently we installed native Java JAI+ImageIO libs (new MapFish
version requires it), and since then we are getting Exceptions for
PNG8 Image format (PNG works just ok)

<ServiceException>
java.lang.IllegalArgumentException: ColorIndexer - Parameter value`s
class (it.geosolutions.jaiext.colorindexer.CachingColorIndexer) is not
an instance of the parameter class
(it.geosolutions.jaiext.colorindexer.ColorIndexer) for parameter
"Indexer". ColorIndexer - Parameter value`s class
(it.geosolutions.jaiext.colorindexer.CachingColorIndexer) is not an
instance of the parameter class
(it.geosolutions.jaiext.colorindexer.ColorIndexer) for parameter
"Indexer".
</ServiceException>

Is Geoserver still expected to work normal with Native JAI/ImageIO
libs, or one has to make a switch to Community JAI-Ext Version in
order everything to work fine?

We are currently still using Geoserver v2.8, as few important issues
still prevents us to upgrade to v2.9.

Thank you!

Kind regards,
Ivan

Hi Ivan,
I guess you might have some classpath issue, the it.geosolutions.jaiext.colorindexer.CachingColorIndexer
is an instance of it.geosolutions.jaiext.colorindexer.ColorIndexer available in the same package inside
jai-ext jt-colorindexer jar.

May it be that you have two of those jars around with different versions, like twice in the war, or in the war and in the
tomcat libs, or for any obscure reason, in the war and in the jre lib/ext directory?

The ColorIndexer interface is jai-ext own, has no relationship with normal JAI, so I don’t know
off the top of my head how having native versions of JAI would cause the above issue.

Cheers
Andrea

···

On Wed, Aug 3, 2016 at 11:47 AM, Ivan Grcic <igrcic@anonymised.com> wrote:

Hi everybody,

recently we installed native Java JAI+ImageIO libs (new MapFish
version requires it), and since then we are getting Exceptions for
PNG8 Image format (PNG works just ok)

java.lang.IllegalArgumentException: ColorIndexer - Parameter value`s class (it.geosolutions.jaiext.colorindexer.CachingColorIndexer) is not an instance of the parameter class (it.geosolutions.jaiext.colorindexer.ColorIndexer) for parameter "Indexer". ColorIndexer - Parameter value`s class (it.geosolutions.jaiext.colorindexer.CachingColorIndexer) is not an instance of the parameter class (it.geosolutions.jaiext.colorindexer.ColorIndexer) for parameter "Indexer".

Is Geoserver still expected to work normal with Native JAI/ImageIO
libs, or one has to make a switch to Community JAI-Ext Version in
order everything to work fine?

We are currently still using Geoserver v2.8, as few important issues
still prevents us to upgrade to v2.9.

Thank you!

Kind regards,
Ivan



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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
http://twitter.com/geosolutions_it

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Hi Andrea,

tnx for the suggestions. I've checked the Mapfish Print v.3.6.0
classes, and I see that they have now also included all jt-* classes.

They are using jt-colorindex-1.0.8.jar, and in Geoserver v2.8 we are
using jt-colorindex-1.0.6.jar, this where the problem is coming from,
not from the JAI classes.

I've just created multiple Tomcat Instances and separated GS and MapFish apps.

Thanks again,
Ivan

On Wed, Aug 3, 2016 at 1:40 PM, Andrea Aime
<andrea.aime@anonymised.com> wrote:

Hi Ivan,
I guess you might have some classpath issue, the
it.geosolutions.jaiext.colorindexer.CachingColorIndexer
is an instance of it.geosolutions.jaiext.colorindexer.ColorIndexer available
in the same package inside
jai-ext jt-colorindexer jar.

May it be that you have two of those jars around with different versions,
like twice in the war, or in the war and in the
tomcat libs, or for any obscure reason, in the war and in the jre lib/ext
directory?

The ColorIndexer interface is jai-ext own, has no relationship with normal
JAI, so I don't know
off the top of my head how having native versions of JAI would cause the
above issue.

Cheers
Andrea

On Wed, Aug 3, 2016 at 11:47 AM, Ivan Grcic <igrcic@anonymised.com> wrote:

Hi everybody,

recently we installed native Java JAI+ImageIO libs (new MapFish
version requires it), and since then we are getting Exceptions for
PNG8 Image format (PNG works just ok)

<ServiceException>
java.lang.IllegalArgumentException: ColorIndexer - Parameter value`s
class (it.geosolutions.jaiext.colorindexer.CachingColorIndexer) is not
an instance of the parameter class
(it.geosolutions.jaiext.colorindexer.ColorIndexer) for parameter
"Indexer". ColorIndexer - Parameter value`s class
(it.geosolutions.jaiext.colorindexer.CachingColorIndexer) is not an
instance of the parameter class
(it.geosolutions.jaiext.colorindexer.ColorIndexer) for parameter
"Indexer".
</ServiceException>

Is Geoserver still expected to work normal with Native JAI/ImageIO
libs, or one has to make a switch to Community JAI-Ext Version in
order everything to work fine?

We are currently still using Geoserver v2.8, as few important issues
still prevents us to upgrade to v2.9.

Thank you!

Kind regards,
Ivan

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GeoServer Professional Services from the experts! Visit
http://goo.gl/it488V for more information.

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
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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