Hi Moda:
GeoTools uses the Java "Factory SPI" system to find the different
factories on the classpath. OSGi mangles classpaths so that the
contents are only "published" by package; and what is being used by
FactorySPI to wire things up is the META_INF/services directory.
The only solution we found for uDig was to place all the geotools jars
into a single OSGi bundle. A member of our community repackaged
GeoTools with the correct OSGi manifests to wire things up but did not
have a mandate to help push that back into the core library.
You will find these topics covered in our user guide:
- http://docs.codehaus.org/display/GEOTDOC/03+GeoTools+and+Eclipse+or+OSGi
And the proposal to fix the manifests in geotools:
-
http://docs.codehaus.org/display/GEOTOOLS/Add+bundle+information+to+jar+manifest
If you would like to arrange a patch for the above we would be glad to
review; right now it is too big a job to tackle without interested
users testing and/or paying for the work to be done :-(
Jody
On 05/09/2009, at 7:03 AM, Moda, Frank wrote:
Hello,
I am currently using Geotools in a project that is to be deployed
into Apache Servicemix as an OSGI bundle. As part of the program,
it creates a ReferencingFactoryFinder to get a
MathTransformFactory. This Factory uses the
Lambert_Azimuth_Equal_Area Projection to perform transform operations.
When running from the command line (using commands like “mvn
jetty:run” or “mvn camel:run”), the program executes correctly. It
is able to discover about 25 different Projections, one of which is
the Lambert_Azimuth_Equal_Area Projection that I am using. I
believe it is able to find these by looking in the gt-referencing
package, under the META-INF/services directory, where it specifies
an implementation of MathTransformFactory and providers for
MathTransformProvider.
However, when I turn the project into an OSGI bundle, and place it
in servicemix, it finds no projections, and fails on
FactoryException: org.opengis.referencing.NoSuchIdentifierException:
No transform for classification "Lambert_Azimuthal_Equal_Area". My
belief is that is not seeing the META-INF/services directory that is
included within a geotools osgi bundle I created as a combination of
gt-referencing and gt-metadata. I was wondering if anyone has been
able to successfully use this referencing technique within
servicemix, and if so, how do I set up the geotools in servicemix
for it to be seen correctly? For reference, I am using version
2.5.3 of geotools.
Thanks in advance,
Frank
------------------------------------------------------------------------------
Let Crystal Reports handle the reporting - Free Crystal Reports 2008
30-Day
trial. Simplify your report design, integration and deployment - and
focus on
what you do best, core application coding. Discover what's new with
Crystal Reports now.
http://p.sf.net/sfu/bobj-july_______________________________________________
Geotools-gt2-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
------------------------------------------------------------------------------
Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
trial. Simplify your report design, integration and deployment - and focus on
what you do best, core application coding. Discover what's new with
Crystal Reports now. http://p.sf.net/sfu/bobj-july
_______________________________________________
Geotools-gt2-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
