Using Nashorn in Apache Tomcat

[Rony G. Flatscher]

This is more about deploying the Nashorn standalone module in the context of Apache Tomcat 10 
("jakarta"-namespace) not about creating a stand-alone Java application.

---rony


On 03.10.2022 19:03, Remi Forax wrote:
>
>
> ----------------------------------------------------------------------------------------------------
>
>     *From: *"Simon Besenbäck" <simon.besenbaeck at gmail.com>
>     *To: *nashorn-dev at openjdk.org
>     *Sent: *Monday, October 3, 2022 3:04:26 PM
>     *Subject: *Using Nashorn in Apache Tomcat
>
>     Hi!
>
>     I am using Apache 10.0.23 on Windows 10. I want to use Nashorn for developing JSP's within the
>     Eclipse IDE. Therefore I use OpenJDK 19 and added the jakarta.ScriptTagLibs.jar to the lib
>     directory. I added script-jsr223.tld to the META-INF Folder. As far as I know I should be able
>     to use nashorn if I add the nashorn-core-15.4.jar (downloaded here:
>     https://search.maven.org/artifact/org.openjdk.nashorn/nashorn-core/15.4/jar) to the lib
>     directory, but for me it doesn´t work. I either get the Page without the elements generated by
>     nashorn or I get an Internal Server Error.
>
>     However, I also tried Rhino, by adding rhino-engine-1.7.14.jar and rhino-runtime-1.7.14.jar to
>     the lib directory and it works. Though, if I try it by only adding the rhino-1.7.14.jar to the
>     lib directory it won't work either. (Downloaded here:
>     https://github.com/mozilla/rhino/releases/tag/Rhino1_7_14_Release)
>
>     I would be very thankful for any tipps as I really do not know how to get nashorn working.
>
>
> Usually, when you want to build a Java application with some dependencies, the best is to use a 
> build tool that will download the dependencies for you *and* configure your IDE for you.
>
> For a small project like the one you describe, i believe it's simpler to use Maven. Maven uses a 
> pom.xml file that describes the dependencies and some plugins, you have one for tomcat by example.
> There is an eclipse plugin called m2eclipse that configure eclipse from the pom.xml (you have to 
> activate an option in the m2e plugin).
>
> There are a lot of tutorial on the internet on how to use Maven with Eclipse.
>
> Once you have played a little with Maven, dependencies should be a problem from the past and you 
> should be able to focus on what you want to do :)
>
>
>     Thanks.
>
>     Simon
>
>
> regards,
> Rémi
>
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