seniorSpring
How does Spring Boot behave under JVM class metadata pressure (Metaspace issues)?
Updated May 17, 2026
Short answer
Metaspace stores class metadata and can grow leading to OutOfMemoryError.
Deep explanation
Spring applications load many classes due to proxies, reflection, and runtime generation. This increases Metaspace usage. Poor classloader design or redeployments can cause class metadata leaks.
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