[Solved] Consider a Spring Boot application where you want to log WARN and ERROR messages for com.example.service but DEBUG and above for com.example.... Which application.properties configuration is correct? | Spring Boot

Spring Boot - Logging

Consider a Spring Boot application where you want to log WARN and ERROR messages for com.example.service but DEBUG and above for com.example.controller. Which application.properties configuration is correct?

Alogging.level.com.example.service=DEBUG\nlogging.level.com.example.controller=WARN

Blogging.level.com.example.service=WARN\nlogging.level.com.example.controller=DEBUG

Clogging.level.com.example.service=ERROR\nlogging.level.com.example.controller=INFO

Dlogging.level.com.example.service=INFO\nlogging.level.com.example.controller=TRACE

Step-by-Step Solution

Solution:

Step 1: Set service package to WARN
Use logging.level.com.example.service=WARN to log WARN and ERROR only.
Step 2: Set controller package to DEBUG
Use logging.level.com.example.controller=DEBUG to log DEBUG and above.
Final Answer:
logging.level.com.example.service=WARN\nlogging.level.com.example.controller=DEBUG -> Option B
Quick Check:
Service WARN and Controller DEBUG set correctly [OK]

Quick Trick: Set each package log level to desired minimum level [OK]

Common Mistakes:

Swapping levels between packages
Using INFO instead of DEBUG
Setting ERROR instead of WARN

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More Spring Boot Quizzes

Which application.properties configuration is correct?

Step 1: Set service package to WARN

Step 2: Set controller package to DEBUG

Final Answer:

Quick Check:

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