scriptdef not working in ant build.xml for latest DITAOT 4.2.3

[Ganapathy P]

Hi All,

Build.xml

  <basename property="job.language.upper" file="${basedir}${file.separator}..${file.separator}"/>

  <scriptdef language="javascript" name="lower">
    <attribute name="string"/>
    <attribute name="to"/>
    project.setProperty(attributes.get("to"),attributes.get("string").toLowerCase());
  </scriptdef>

ERROR:

[lower] ScriptEngineManager providers.next(): javax.script.ScriptEngineFactory: Provider com.oracle.truffle.js.scriptengine.GraalJSEngineFactory could not be instantiated
Java 15 has removed Nashorn, you must provide an engine for running JavaScript yourself. GraalVM JavaScript currently is the preferred option.

Note: No issue while running using DITAOT 1.8.

Please share any ideas, if you have solved them before.

Regards

Ganapathy 

[kendalldita]

It seems to be pointing out that Nashorn javascript engine was removed, so you need to supply a script engine for java script. The one graalvm javascript and rhino are mentioned as implementations https://ant.apache.org/manual/install.html#librarydependencies

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[Ganapathy P]

Thanks, I'll check it out. 

[Radu Coravu]

Here is a link to the Ant <script> documentation:

https://ant.apache.org/manual/Tasks/script.html

there is this part there:

Starting with Java 15 Nashorn has been removed again.....

In my opinion to avoid third party dependencies, ideally you should attempt to remove all the Javascript content from the ANT build file and create custom Ant tasks implemented in Java for those parts.

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[Stefan Jung]

Hello,

 

you can try installing my plugin org.jung.graal. I made it for exactly this purpose. You can also install it from the DITA-OT registry, see dita-ot.org/plugins/org.jung.graal.

 

Best regards,

Stefan

Ganapathy P <ganapa...@gmail.com> hat am 26.08.2024 09:20 CEST geschrieben:

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