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Cascade Created Spring Bean Circular Dependency
Spring application fails to start with 'circular dependency' error after Cascade added new beans. Bean A depends on Bean B which depends on Bean A, creating an unsolvable dependency graph. The application cannot instantiate beans in any order.
Cascade likely generated beans without understanding dependency injection order.
Error Messages You Might See
BeanCurrentlyInCreationException: circular dependency
The dependencies of some beans form a cycle
Cannot instantiate bean due to circular reference
Common Causes
- Cascade added @Autowired field creating circular dependency between services
- Two beans depend on each other through constructor injection (no lazy loading)
- Cascade created bean that depends on itself indirectly through multiple hops
How to Fix It
Review bean dependencies - look for circular patterns. Use setter injection or lazy loading with @Lazy. Refactor to break cycle: extract common dependency into third service. Use ObjectProvider for optional late-binding. Consider if services should be split or combined differently.
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Get HelpFrequently Asked Questions
How do I fix circular dependencies?
Use @Lazy for lazy initialization. Use setter injection instead of constructor. Extract common dependency.
How do I detect circular dependencies?
Spring startup error message shows the cycle. Look at @Autowired fields to understand relationships.