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Add cycles to core-beans: the circular-dependency failure report, what allow-circular-references repairs and hides, and four fixes on Boot 4.1

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Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Uu7q8vPeREyT4218EJPzz1
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Claude
2026-09-24 06:29:14 +00:00
parent 51f3ecd5da
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core-beans/output/20-boot-cycle-failure-report.txt
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# Three constructor-injected services in a ring: what Spring Boot 4.1.1 prints when start-up fails
***************************
APPLICATION FAILED TO START
***************************
Description:
The dependencies of some of the beans in the application context form a cycle:
┌─────┐
| notificationService defined in file [<core-beans>/target/classes/com/ankurm/corebeans/cycles/broken/NotificationService.class]
↑ ↓
| orderService defined in file [<core-beans>/target/classes/com/ankurm/corebeans/cycles/broken/OrderService.class]
↑ ↓
| paymentService defined in file [<core-beans>/target/classes/com/ankurm/corebeans/cycles/broken/PaymentService.class]
└─────┘
Action:
Relying upon circular references is discouraged and they are prohibited by default. Update your application to remove the dependency cycle between beans. As a last resort, it may be possible to break the cycle automatically by setting spring.main.allow-circular-references to true.