[Solved] Find the problem in this logging statement:logger.info("User ID: {}", userId, extraParam); — Ans: Too many parameters for placeholders | Spring Boot

Spring Boot - Logging

Find the problem in this logging statement:

logger.info("User ID: {}", userId, extraParam);

AToo many parameters for placeholders

BMissing placeholder for extraParam

CLogger not initialized

DIncorrect log level

Step-by-Step Solution

Solution:

Step 1: Count placeholders and parameters
There is one placeholder '{}' but two parameters after the message.
Step 2: Understand SLF4J formatting rules
Number of placeholders must match parameters; extra parameters cause errors or ignored values.
Final Answer:
Too many parameters for placeholders -> Option A
Quick Check:
Parameter count must match placeholders [OK]

Quick Trick: Match placeholders '{}' with parameters exactly [OK]

Common Mistakes:

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