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Add core-di: constructor vs setter vs field injection and @Autowired candidate resolution on Boot 4.1

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Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01JoVmf2fWvcpoXndcDSwRf7
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Claude
2026-09-24 04:59:40 +00:00
parent b0c39a8d4c
commit 9825efa081
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core-di/output/04-field-used-in-constructor.txt
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# A field-injected collaborator used in the constructor
context started: false
top exception : org.springframework.beans.factory.BeanCreationException
top message : Error creating bean with name 'fieldTrapService': Failed to instantiate [com.ankurm.coredi.injection.FieldTrapService]: Constructor threw exception
root cause : java.lang.NullPointerException: Cannot invoke "com.ankurm.coredi.injection.PaymentGateway.charge(String, int)" because "this.gateway" is null