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Circular Dependency in Spring Beans
App fails to start with circular dependency error. Two or more beans reference each other creating an unsolvable dependency chain.
Spring can't instantiate beans if they depend on each other.
Error Messages You Might See
The dependencies of some of the beans in the application context form a cycle
BeanCurrentlyInCreationException
Common Causes
- Service A @Autowired Service B, Service B @Autowired Service A
- Controller depends on Service that depends on Controller
- Configuration class circular references
- Event listeners creating implicit dependencies
How to Fix It
Refactor to break cycle: extract common functionality to third service. Use @Lazy to defer one bean creation. Use constructor injection to identify issues clearly. Use ObjectProvider
Real developers can help you.
David Olverson
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Simon A.
I'm a backend developer building APIs, emulators, and interactive game systems. Professionally, I've developed Java/Spring reporting solutions, managed relational and NoSQL databases, and implemented CI/CD workflows.
PawelPloszaj
I'm fronted developer with 10+ years of experience with big projects. I have small backend background too
Vlad Temian
15+ years shipping production infrastructure for startups. Former CTO at qed.builders (acquired by The Sandbox).
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ISHANTDEEP SINGH
Senior Software Engineer with 7+ years of experience in React, JavaScript, TypeScript, Next.js, and Node.js. I’ve also worked as a tech lead for startups, owning end-to-end technical execution including architecture, development, scaling, and delivery. I bring a strong mix of hands-on coding, product thinking, and technical leadership, and I’m comfortable building products from scratch as well as improving and scaling existing systems.
rayush33
JavaScript (React.js, React Native, Node.js) Developer with demonstrated industry experience of 4+ years, actively looking for opportunities to hone my skills as well as help small-scale business owners with solutions to technical problems
Milan Surelia
Milan Surelia is a Mobile App Developer with 5+ years of experience crafting scalable, cross-platform apps at 7Span and Meticha. At 7Span, he engineers feature-rich Flutter apps with smooth performance and modern UI. As the Co-Founder of Meticha, he builds open-source tools and developer-focused products that solve real-world problems.
Expertise:
💡 Developing cross-platform apps using Flutter, Dart, and Jetpack Compose for Android, iOS, and Web.
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Notable Achievements:
🎯 Revamped the Vepaar app into Vepaar Store & CRM with a 2x performance boost and smoother UX.
🚀 Launched Compose101 — a Jetpack Compose starter kit to speed up Android development.
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Milan is always happy to connect, work on new ideas, and explore the latest in technology.
Mehdi Ben Haddou
- Founder of Chessigma (1M+ users) & many small projects
- ex Founding Engineer @Uplane (YC F25)
- ex Software Engineer @Amazon and @Booking.com
Omar Faruk
As a Product Engineer at Klasio, I contributed to end-to-end product development, focusing on scalability, performance, and user experience.
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Get HelpFrequently Asked Questions
How do I find the circular dependency?
Spring logs the bean chain showing the cycle. Refactor to eliminate it
Can @Lazy always fix this?
@Lazy defers initialization but doesn't solve underlying design issue. Refactor properly