users@jersey.java.net

Re: [Jersey] Conflict when using Jersey and Jackson json

From: Beatriz Nombela <beaotx_at_gmail.com>
Date: Thu, 22 Apr 2010 18:08:19 +0200

:-) Great. It works. I didn't realize that I could override the
embedded GF dependencies in that way.

Many thanks for your help.
Best regards.


On Thu, Apr 22, 2010 at 5:22 PM, Paul Sandoz <Paul.Sandoz_at_sun.com> wrote:
>
> On Apr 22, 2010, at 4:50 PM, Beatriz Nombela wrote:
>
>> Hi Paul,
>>
>> It is specified at the end of the following link:
>> http://docs.sun.com/app/docs/doc/819-3659/beadf?a=view :
>>
>> "The default value is delegate="true", which causes the Web class
>> loader to delegate in the same manner as the other class loaders. You
>> must use delegate="true" for a web application that accesses EJB
>> components or that acts as a web service client or endpoint."
>>
>
> Oh crap, i did not know that.
>
> Ah, i think i may have worked it out:
>
> Try this in the int-test pom:
>
>            <plugin>
>                <groupId>org.glassfish</groupId>
>                <artifactId>maven-embedded-glassfish-plugin</artifactId>
>                <version>3.0</version>
>                <dependencies>
>                    <dependency>
>                        <groupId>org.codehaus.jackson</groupId>
>                        <artifactId>jackson-mapper-asl</artifactId>
>                        <version>${jackson-version}</version>
>                        <scope>test</scope>
>                    </dependency>
>                    <dependency>
>                        <groupId>com.sun.jersey</groupId>
>                        <artifactId>jersey-server</artifactId>
>                        <version>${jersey-version}</version>
>                    </dependency>
>
> namely override the dependency that is added by GF embedded and retain class
> loader delegation as true.
>
> Paul.
>
>> I've attached another sample closer to my application. There are two
>> more modules: ejb and ear. The way to test it is the same than before.
>> You will see that if delegate="true", the EJB's will be created, but
>> version of Jackson library would be incorrect. If delegate="false", my
>> application will use Jackson 1.5, but there will be a lot of
>> exceptions due to errors creating the EJB.
>>
>
> OK.
>
> Paul.
>
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-- 
Beatriz Nombela Escobar
beaotx_at_gmail.com