[geotk] NullPointerException with WFSFeatureStore

[Emmanuel Blondel]

Thanks, Ok for the warnings. I've added the derby dep.
Now i get this: http://pastebin.com/cwS63bDY <v> (i've removed the warnings)

Le 11/12/2014 10:01, Martin Desruisseaux a écrit :
> Le 11/12/14 17:34, Emmanuel Blondel a écrit :
>> I'v tested the WFS client with SNAPSHOT. No more warning about 
>> timeout, but see stacktrace and errors at: http://pastebin.com/crLnitsE
>> Any idea?
>
> The warnings are about java.util.prefs not having permission to write 
> in the system-wide preference variables. This warnings occur even if 
> Geotk only wants to check if a preference exist - it does not want to 
> write anything, but apparently the JDK insists for creating empty 
> nodes anyway. This problem exists since JDK 1.4 and seems to have 
> never been solved. In Apache SIS, we will avoid the use of system 
> preferences. In the main time, they can be safely ignored (we should 
> probably remove them from Geotk too, as I don't think that many 
> peoples use them).
>
> The exception is because there is no Derby driver in the classpath. 
> Geotk does not put the Derby driver in transitive dependencies, 
> because some projects prefer to use PostgreSQL, HSQL or Oracle 
> instead. Adding the following in you pom.xml should solve the problem 
> (again, for Apache SIS we will try to find a better solution):
>
>        <dependency>
>          <groupId>org.apache.derby</groupId>
>          <artifactId>derby</artifactId>
>          <version>10.10.1.1</version>
>        </dependency>
>
> Martin
>
>
>
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