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JHipster's JDL lets you declare entities, relationships, DTOs, and pagination in one file and generate a consistent Spring Boot + Angular/React/Vue stack. A worked User–Authority example shows the output, and the regeneration discipline you'll need.
Learn how to write a JHipster JDL file to define entities and relationships, then generate the full Spring Boot backend and Angular/React frontend with one command.
Learn how to model entities and relationships with JHipster JDL and use incremental generation to preserve custom backend and frontend code.
Treat JHipster's JDL as the canonical domain contract. This blog shows a concrete order-domain example, explains how protected regions preserve custom logic during re-imports, and outlines a safe adoption path for existing projects.
When JHipster’s entity sub‑generator aborts with "Invalid field type" errors, the problem usually lies in a misspelled or unsupported JDL field type. This guide walks through diagnosing the issue, correcting the JDL, and verifying the fix with concrete checks and examples.
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