If you set logging.pattern.file=%d{yyyy-MM-dd HH:mm:ss} %-5level %logger - %msg%n in Spring Boot, what will happen?

medium📝 component behavior Q5 of 15

Spring Boot - Logging

If you set logging.pattern.file=%d{yyyy-MM-dd HH:mm:ss} %-5level %logger - %msg%n in Spring Boot, what will happen?

ALogs will be saved without timestamps

BFile logs will use the specified pattern for each log entry

CLogging will stop because the pattern is invalid

DConsole logs will use this pattern instead of file logs

Step-by-Step Solution

Solution:

Step 1: Understand the property usage
logging.pattern.file sets the log format for file output.
Step 2: Confirm effect on logs
File logs will follow the given pattern; console logs remain unchanged.
Final Answer:
File logs will use the specified pattern for each log entry -> Option B
Quick Check:
File log pattern property affects file logs only [OK]

Quick Trick: File pattern affects file logs, not console [OK]

Common Mistakes:

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