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Un jour ca marchera

back_end/src/main/java/hackathon/FrisbYEE/rest/SessionResource.java

@@ -44,7 +44,9 @@ public class SessionResource {
     public ResponseEntity<?> create(@RequestBody SessionDTO dto) {
         try {
             Session session = maptoEntity(dto);
+            System.out.println("ID COACH: " + dto.getCoachId());
             Coach c = coachDAO.findById(dto.getCoachId()).orElse(null);
+            System.out.println("IS COACH FOUND ? " + (c != null));
             session.setCoach(c);
             sessionDAO.save(session);
             return ResponseEntity.status(HttpStatus.CREATED).body(maptoDTO(session));