Dec 12, 2020 · Nashorn maintainer here. It indeed seems to be an issue with Spring Boot not loading Nashorn as a JPMS module. Nashorn exports itself as a scripting engine to be found by the javax.script.ScriptEngineManager through a "provides" entry in its module-info.jav

Oct 7, 2022 · It should be pretty much a drop-in replacement so everything written in Nashorn User's Guide within Oracle Java 14 documentation (with examples) should be a good place to start. If you depend in your Java code on Nashorn, you'll need to update the package names in imports from jdk.scripting.nashorn to org.openjdk.nashorn.

load("nashorn:mozilla_compat.js"); However, this change affect the execution on JDK 7 (JDK does not gives support to load method). To maintain the compatibility for both SDKs, I solved this problem adding try/catch clause:

Mar 26, 2015 · Notice that Nashorn did not make the Undefined type part of the public API, so using it can be problematic (they are free to change this between releases), so use ScriptObjectMirror instead. Just added this here as a curiosity...

Java 8 and Nashorn engine: Some of the above example is written using the jdk 7 based rhino js engine. In jdk 1.8, the rhino engine has been replaced with the Nashorn (V8) engine. For example the importPackage command will not work there. You would need to use the JavaImporter function to do the same in Nashorn.

Mar 5, 2016 · Now, I need to migrate this the Java 8, and use Nashorn. However, I am finding that Nashorn always stores global variables in a special "nashorn.global" object. In fact, it seems to be treating all bindings as read-only, and attempts to change an existing variable instead results in a new global variable shadowing the existing binding.

Mar 2, 2017 · jdk.nashorn.api.* packages are nashorn script engine specific APIs (whereas javax.script is scripting language independent API). If you're using nashorn in your code and you want nashorn specific access (like accessing script object from Java code reflectively - using jdk.nashorn.api.scripting.ScriptObjectMirror), then you can use these APIs.

Oct 16, 2019 · It indicates that the Java Development Kit (JDK)'s Nashorn JavaScript engine is scheduled to be removed in a later JDK version. The notice indicates that Nashorn will no longer be supported in future JDK versions, thus you should begin moving your code to use an alternate JavaScript engine, like GraalVM or another appropriate choice.

Sep 3, 2021 · The Nashorn engine is entirely irrelevant. Read the message: “ Symbol is declared in module … which does not export package … You are using a private class, not part of the official API.

Nov 14, 2020 · It seems the Minecraft code you are using depends on the Nashorn scripting engine. Nashorn was removed from the JDK in Java 15, which it seems you are running. Downgrade to JDK 14 or an earlier version.