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Tutorial: integrating Nuclos into IntelliJ IDEA
Integrate the Nuclos core into IntelliJ IDEA – clone repositories, configure Maven and the AspectJ compiler.
TUTORIAL DEVELOPER UPDATED: JUL 2026 APPLIES TO NUCLOS 4.2026.X
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Objective
Integrate a Nuclos project (core) into the IntelliJ IDEA IDE to develop on the Nuclos source code or on extensions.
Prerequisites
- a working Nuclos project installation;
- IntelliJ IDEA (Ultimate), Maven, Git;
- the AspectJ compiler plugin (Ajc) for the compiler settings.
Windows: longpaths
Windows: configure Git for long file names:
git config --system core.longpaths true
Clone the repositories
Clone both the project git and the core git. In the core, switch to the tag matching the Nuclos version of the project installation (git checkout <tag>).
Configure IntelliJ
- Set up Maven: File → Settings → Build, Execution, Deployment → Build Tools → Maven.
- Set the compiler to Ajc: … → Compiler → Java Compiler.
- Rebuild the project; for problems see troubleshooting.
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