Hi Justin,
I followed your instructions and the module installed just fine. As I
mentioned earlier I am running geoserver from the source code through
eclipse. I start geoserver by running the Start.java file under
web/src/test/java/org/vfny/geoserver/jetty/.
After doing the mvn install will it work if i simple stop and start the
servert? Or do I need to do a mvn install on the whole geoserver project
again ?
How do I test this module? I assume it is by going to this url:
http://localhost:8080/geoserver/rest/hello_rest/hello.txt
http://localhost:8080/geoserver/rest/hello_rest
On Thu, Jun 25, 2009 at 4:25 AM, Justin Deoliveira <[email protected]>wrote:
> Hi Sebastin,
>
> Thanks for sending me over your code. I took at a look at it and here is
> what I found.
>
> First off, there was a problem with the documentation, it was out of date.
> Apologies I should have seen that right away. The createSupportedFormats()
> method should return a list, rather than a map. I have updated the
> documentation here:
>
>
> http://docs.geoserver.org/1.7.x/developer/programming-guide/rest-services/implementing.html
>
> There were also a few other issues with teh code:
>
> * The sources and test files are not in the proper location with regard to
> packaging. You need to move src/main/java/HelloResource.java to
> src/main/java/org/geoserver/hellorest/HelloResource.java. And similarly for
> the the HelloResourceTest.java file.
>
> * A few imports were missing from HelloResource:
>
> import org.geoserver.rest.format.StringFormat;
> import org.restlet.data.MediaType;
>
> You also now will need:
>
> import java.util.ArrayList;
> import java.util.List;
>
> Let me know if that works. After making those changes I was able to
> successfully run HelloResourceTest.
>
> -Justin
>
> On Wed, 24 Jun 2009 11:43:05 -0400, Sebastin Kolman <[email protected]>
> wrote:
> > Thanks Justin. Did you mean just the hello_rest module? I have attached
> it
> > with this mail.
> >
> > I am also just learning Java so yeah I could be doing a simple thing
> really
> > wrong.
> >
> > On Tue, Jun 23, 2009 at 9:51 PM, Justin Deoliveira
> > <[email protected]>wrote:
> >
> >> Hmmm... can you zip up your project and send it to me in a private
> email?
> >> It looks like the classpath is somehow off, and it would be nice to look
> >> at
> >> the eclipse .classpath file, along with the sources.
> >>
> >> -Justin
> >>
> >>
> >> sabman wrote:
> >>
> >>> Thanks Justin.
> >>>
> >>> Here is what I was doing wrong. I created the folders src/main/java and
> >>> src/test/java under rest/hello_rest. When I created the class files,
> >>> eclipse
> >>> was creating the files under the rest/src/java folder instead of
> >>> rest/hello_rest/src/java.
> >>>
> >>> So now I made sure that the HelloResource.java file is located under
> the
> >>> correct folder and there were no errors. (But I could see that the
> >>> StringFormat and MediaType objects were not being recognized
> correctly.)
> >>> Also I moved the applicationContext.xml file from the resources
> >>> folder(as
> >>> mentioned in the tutorial) to the src/main/java folder (as you
> >>> mentioned.).
> >>> Also made sure the HelloResourceTest.java file is under the correct
> >>> folder.
> >>> Now when I run mvn install under the root module I get the following
> >>> compilation error:
> >>>
> >>> [INFO] Compiling 1 source file to
> >>>
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/target/classes
> >>> [INFO]
> >>>
> ------------------------------------------------------------------------
> >>> [ERROR] BUILD FAILURE [INFO]
> >>>
> ------------------------------------------------------------------------
> >>> [INFO] Compilation failure
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/src/main/java/HelloResource.java:[9,7]
> >>> org.geoserver.hellorest.HelloResource is not abstract and does not
> >>> override
> >>> abstract method
> >>>
> createSupportedFormats(org.restlet.data.Request,org.restlet.data.Response)
> >>> in org.geoserver.rest.AbstractResource
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/src/main/java/HelloResource.java:[12,38]
> >>>
> createSupportedFormats(org.restlet.data.Request,org.restlet.data.Response)
> >>> in org.geoserver.hellorest.HelloResource cannot override
> >>>
> createSupportedFormats(org.restlet.data.Request,org.restlet.data.Response)
> >>> in org.geoserver.rest.AbstractResource; attempting to use incompatible
> >>> return type found :
> >>> java.util.Map<java.lang.String,org.geoserver.rest.format.DataFormat>
> >>> required: java.util.List<org.geoserver.rest.format.DataFormat>
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/src/main/java/HelloResource.java:[14,7]
> >>> cannot find symbol symbol : class HashMap location: class
> >>> org.geoserver.hellorest.HelloResource
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/src/main/java/HelloResource.java:[14,29]
> >>> cannot find symbol symbol : class HashMap location: class
> >>> org.geoserver.hellorest.HelloResource
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/src/main/java/HelloResource.java:[15,31]
> >>> cannot find symbol symbol : class StringFormat location: class
> >>> org.geoserver.hellorest.HelloResource
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/src/main/java/HelloResource.java:[15,45]
> >>> cannot find symbol symbol : variable MediaType location: class
> >>> org.geoserver.hellorest.HelloResource
> >>>
>
> /home/sabman/Documents/Projects/geoserver/src/rest/hello_rest/src/main/java/HelloResource.java:[11,4]
> >>> method does not override or implement a method from a supertype
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> Justin Deoliveira wrote:
> >>>
> >>>> sabman wrote:
> >>>>
> >>>>> I did not copy the jar file in the WEB-INF/lib folder. I did that now
> >>>>> but
> >>>>> its
> >>>>> still the same.
> >>>>>
> >>>> Did you restart geoserver after you did?
> >>>>
> >>>>> There is no information related to the exception in the log file.
> >>>>> There
> >>>>> are
> >>>>> some errors messages in eclipse which I am listing below:
> >>>>>
> >>>> Yeah, there probably won't be an exception, just nothing in the log
> >>>> file.
> >>>> It could also be that your applicationContext.xml file is in the wrong
> >>>> place. Is it under src/main/java in the root of your plugin source?
> >>>>
> >>>> Can you do a "jar tvf hello_rest.jar" to give us a listing of the
> >>>> files.
> >>>> Thanks.
> >>>>
> >>>>> 1) In the HelloResource.java file, For this piece of code:
> >>>>> protected Map<String, DataFormat> createSupportedFormats(Request
> >>>>> request,
> >>>>> Response response) {
> >>>>>
> >>>>> HashMap formats = new HashMap();
> >>>>> formats.put( "txt", new StringFormat( MediaType.TEXT_PLAIN
> >>>>> ));
> >>>>>
> >>>>> return formats;
> >>>>> }
> >>>>>
> >>>>> These are the errors:
> >>>>> @ Map<String, DataFormat> Multiple markers at this line
> >>>>> - The return type is incompatible with
> >>>>> AbstractResource.createSupportedFormats(Request, Response)
> >>>>> - implements
> >>>>> org.geoserver.rest.AbstractResource.createSupportedFormats
> >>>>> @HashMap Multiple markers at this line
> >>>>> - HashMap cannot be resolved to a type
> >>>>> - HashMap cannot be resolved to a type
> >>>>>
> >>>>> @StringFormat and @MediaType Multiple markers at this line
> >>>>> - StringFormat cannot be resolved to a type
> >>>>> - MediaType cannot be resolved
> >>>>>
> >>>> These are because the rest module is not on the classpath of your
> >>>> module.
> >>>> Can you run a mvn eclipse:eclipse in the root of your module and then
> >>>> refresh the project in eclipse. I think the tutorial is lackign that
> >>>> step.
> >>>>
> >>>>> 2) When i start geoserver from eclipse by running the Start.java
> file
> >>>>> I
> >>>>> see
> >>>>> the following warning messages in the console:
> >>>>>
> >>>>> Jun 22, 2009 11:14:11 AM
> >>>>> it.geosolutions.imageio.gdalframework.GDALUtilities
> >>>>> loadGDAL
> >>>>> WARNING: Native library load failed.java.lang.UnsatisfiedLinkError:
> no
> >>>>> gdaljni in java.library.path
> >>>>> ..
> >>>>> ..
> >>>>> log4j:WARN File option not set for appender [geoserverlogfile].
> >>>>> log4j:WARN Are you using FileAppender instead of ConsoleAppender?
> >>>>>
> >>>> That is normal, you can ignore that.
> >>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> aaime wrote:
> >>>>>
> >>>>>> sabman ha scritto:
> >>>>>> > I followed the instructions for the REST services available
> >>>>>>
> >>>>>>>
> >>>>>>>
>
> http://docs.geoserver.org/1.7.x/developer/programming-guide/rest-services/implementing.html
> >>>>>>> here . The only changes I had to make was in the pom.xml file where
> >>>>>>> i
> >>>>>>> changed the org.geoserver versions to "1.7.5-SNAPSHOT" from
> >>>>>>> "1.7.3-SNAPSHOT"
> >>>>>>> (i compared it with the other pom.xml files). The hello_rest module
> >>>>>>> compiled
> >>>>>>> successfully. I then tried testing the rest service by going to the
> >>>>>>> URL:
> >>>>>>>
> >>>>>>> http://localhost:8080/geoserver/rest/hello.txt
> >>>>>>> http://localhost:8080/geoserver/rest/hello_rest/hello.txt
> >>>>>>> http://localhost:8080/geoserver/rest/hello_rest
> >>>>>>>
> >>>>>>> I was not sure which one is correct so I tried all in the browser.
> >>>>>>> And
> >>>>>>> all I
> >>>>>>> see is this:
> >>>>>>>
> >>>>>>> Geoserver Configuration API
> >>>>>>>
> >>>>>>> * exception
> >>>>>>>
> >>>>>>> What am I doing wrong here?
> >>>>>>>
> >>>>>> Did you actually include your jar/project in the GeoServer
> >>>>>> application
> >>>>>> classpath? E.g, took the hello_rest jar and drop it into
> >>>>>> geoserver/WEB-INF/lib?
> >>>>>>
> >>>>>> Can you look in $GEOSERVER_DATA_DIR/logs/geoserver.log and see what
> >>>>>> exception (with full strack trace) is thrown when you try to access
> >>>>>> those
> >>>>>> URL's?
> >>>>>>
> >>>>>> Cheers
> >>>>>> Andrea
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
>
> ------------------------------------------------------------------------------
> >>>>>> Are you an open source citizen? Join us for the Open Source Bridge
> >>>>>> conference!
> >>>>>> Portland, OR, June 17-19. Two days of sessions, one day of
> >>>>>> unconference:
> >>>>>> $250.
> >>>>>> Need another reason to go? 24-hour hacker lounge. Register today!
> >>>>>>
> >>>>>>
>
> http://ad.doubleclick.net/clk;215844324;13503038;v?http://opensourcebridge.org
> >>>>>> _______________________________________________
> >>>>>> Geoserver-devel mailing list
> >>>>>> [email protected]
> >>>>>> https://lists.sourceforge.net/lists/listinfo/geoserver-devel
> >>>>>>
> >>>>>>
> >>>>>>
> >>>> --
> >>>> Justin Deoliveira
> >>>> OpenGeo - http://opengeo.org
> >>>> Enterprise support for open source geospatial.
> >>>>
> >>>>
> >>>>
>
> ------------------------------------------------------------------------------
> >>>> Are you an open source citizen? Join us for the Open Source Bridge
> >>>> conference!
> >>>> Portland, OR, June 17-19. Two days of sessions, one day of
> >>>> unconference:
> >>>> $250.
> >>>> Need another reason to go? 24-hour hacker lounge. Register today!
> >>>>
> >>>>
>
> http://ad.doubleclick.net/clk;215844324;13503038;v?http://opensourcebridge.org
> >>>> _______________________________________________
> >>>> Geoserver-devel mailing list
> >>>> [email protected]
> >>>> https://lists.sourceforge.net/lists/listinfo/geoserver-devel
> >>>>
> >>>>
> >>>>
> >>>
> >>
> >> --
> >> Justin Deoliveira
> >> OpenGeo - http://opengeo.org
> >> Enterprise support for open source geospatial.
> >>
>
> --
> Justin Deoliveira
> OpenGeo - http://opengeo.org
> Enterprise support for open source geospatial.
>
--
Regards,
Sebastin
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