You want a Spring Boot bean to be created once per HTTP session and also want to inject it into a singleton bean. What is the correct way to handle this scenario?

hard📝 Conceptual Q8 of 15

Spring Boot - Spring Annotations

AUse @Scope("prototype") and inject directly into singleton

BDeclare the bean as singleton and manually manage session data

CDeclare the bean with @Scope("session") and use proxyMode = ScopedProxyMode.TARGET_CLASS

DUse @Scope("request") and inject into singleton bean

Step-by-Step Solution

Solution:

Step 1: Understand session scoped bean injection into singleton
Session scoped beans need proxies to be injected into singleton beans.
Step 2: Use proxyMode to enable correct injection
Setting proxyMode = ScopedProxyMode.TARGET_CLASS creates a proxy to handle session scope properly.
Final Answer:
Declare the bean with @Scope("session") and use proxyMode = ScopedProxyMode.TARGET_CLASS -> Option C
Quick Check:
Session scope + proxyMode needed for singleton injection [OK]

Quick Trick: Use scoped proxy to inject session bean into singleton [OK]

Common Mistakes:

Injecting session bean directly without proxy
Using prototype scope incorrectly
Confusing request with session scope

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You want a Spring Boot bean to be created once per HTTP session and also want to inject it into a singleton bean. What is the correct way to handle this scenario?

Step 1: Understand session scoped bean injection into singleton

Step 2: Use proxyMode to enable correct injection

Final Answer:

Quick Check:

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