lukaszlenart opened a new issue, #103:
URL: https://github.com/apache/struts-intellij-plugin/issues/103
## Context
JetBrains notified plugin authors that in **IntelliJ Platform 2026.2**, the
JavaScript plugin was migrated to the **v2 plugin model**. Functionality is
split into separate content modules; a plain dependency on the `JavaScript`
plugin may no longer be enough at runtime.
Typical linkage errors:
```
java.lang.NoClassDefFoundError: com/intellij/lang/javascript/JSElementTypes
java.lang.ClassNotFoundException: com.intellij.lang.javascript.JSElementTypes
```
This plugin depends on the JavaScript plugin (`<plugin id="JavaScript"/>` in
`plugin.xml`, `bundledPlugin("JavaScript")` in Gradle) for JS language
injection in Struts taglib attributes.
**Blocked on:** IntelliJ Platform **2026.2** release (build `262.*`). The
repo currently targets **2026.1** (`platformVersion = 2026.1`,
`pluginSinceBuild = 261`).
## Scope of JavaScript API usage
Only two production files import `com.intellij.lang.javascript.*`:
| File | Classes used |
|------|--------------|
| `src/main/java/com/intellij/struts2/jsp/TaglibJavaScriptInjector.java` |
`JavaScriptSupportLoader`, `JSInXmlLanguagesInjector` |
|
`src/main/java/com/intellij/struts2/freemarker/FreeMarkerJavaScriptInjector.java`
| `JavaScriptSupportLoader` |
No direct usage of `JSElementTypes`, `JSLanguage`, `JSReferenceExpression`,
JS lexers/parsers, etc.
## Required v2 module dependencies
Based on class placement in the 2026.1 distribution and JetBrains WEB-77676
(JavaScript plugin → fully v2):
| Class | v2 module |
|-------|-----------|
| `JavaScriptSupportLoader` | `intellij.javascript.parser` |
| `JSInXmlLanguagesInjector` | `intellij.javascript.backend` |
Keep the existing `<plugin id="JavaScript"/>` dependency — v2 `<module>`
entries are **additional** runtime classloader requirements.
If residual `NoClassDefFoundError` occurs after adding the two modules
above, try `intellij.javascript.common` before broader sets (`psi.impl`,
`analysis.impl`).
## Proposed changes
### `src/main/resources/META-INF/plugin.xml`
```xml
<dependencies>
...
<plugin id="JavaScript"/>
<module name="intellij.javascript.parser"/>
<module name="intellij.javascript.backend"/>
...
</dependencies>
```
### `build.gradle.kts` (when retargeting to 2026.2)
```kotlin
bundledPlugin("JavaScript")
bundledModule("intellij.javascript.parser")
bundledModule("intellij.javascript.backend")
```
### Platform upgrade (same release cycle)
When 2026.2 is available, also update `gradle.properties`:
- `platformVersion` → `2026.2`
- `pluginSinceBuild` / `pluginUntilBuild` → `262` / `262.*`
- `pluginVersion` branch prefix → `262.x.y`
See [Platform Upgrade
Checklist](https://github.com/apache/struts-intellij-plugin/blob/master/CLAUDE.md#platform-upgrade-checklist)
in `CLAUDE.md`.
## Acceptance criteria
- [ ] `plugin.xml` declares `intellij.javascript.parser` and
`intellij.javascript.backend`
- [ ] Gradle declares matching `bundledModule(...)` entries
- [ ] Build targets IntelliJ Platform 2026.2 (`262.*`)
- [ ] `./gradlew build` and `./gradlew runPluginVerifier` pass against 2026.2
- [ ] `./gradlew runIde` — JSP and FreeMarker Struts taglib JS injection
works (no classloader errors)
- [ ] `CHANGELOG.md` updated
## References
- [Plugin Dependencies — modular
plugins](https://plugins.jetbrains.com/docs/intellij/plugin-dependencies.html)
- [IntelliJ Platform Gradle Plugin —
`bundledModule()`](https://plugins.jetbrains.com/docs/intellij/tools-intellij-platform-gradle-plugin-dependencies-extension.html)
- JetBrains intellij-plugins commit WEB-77676: JavaScript plugin converted
to fully-v2 module
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