Salesforce Apex: How to Read & Use Debug Logs for Troubleshooting

💡 Struggling to understand what went wrong in your Apex code? In this beginner-friendly session, we explore how to read, enable, and use Salesforce debug logs to troubleshoot issues like errors, SOQL problems, and governor limits!

📌 Whether you're new to Apex or looking to improve your debugging skills, this session walks you through how debug logs work, how to enable them using both Setup and Developer Console, and how to interpret key sections of the logs.

🔍 What You’ll Learn:
✅ What Apex debug logs are and why they’re essential
✅ How to enable debug logs from Setup and Developer Console
✅ Reading and understanding log content (USER_DEBUG, LIMIT_USAGE, etc.)
✅ Tips for writing meaningful System.debug() statements
✅ How log levels affect the amount of detail shown
✅ Viewing governor limits and spotting performance issues
✅ Best practices for effective debugging in Salesforce

⏱️ Timestamps:
00:00 – Session welcome, intro, and reminder about YouTube channel
1:02 – Intro to today’s topic: Understanding & using debug logs
1:35 – Introduction to debugging in Apex & why logs matter
5:22 – How to enable logs from Setup: Trace Flags, Debug Levels, and more
16:11 – Enabling logs from Developer Console (user scope, log levels)
20:44 – Q&A: Can Developer Console show other users' logs?
21:49 – Finishing slides: clearing logs & quick tips
24:13 – Reading debug logs: walkthrough of key log components
26:12 – Live Demo: Reading a log file & seeing the difference log levels make
39:58 – How to check governor limit usage at the end of a log
42:23 – Tips for writing clean, useful `System.debug()` lines
50:51 – What’s next + session wrap-up
51:09 – Q&A: Logging in production—best practices
55:15 – Final session closing

View the source code for this session on GitHub:
https://github.com/CodeWithSally/Code...

#Salesforce #SalesforceApex #DebugLogs #ApexDebugging #SalesforceDevelopment #ApexLogs #SystemDebug #DebuggingTips #CodeWithSally #TroubleshootingApex #DeveloperConsole #GovernorLimits #Trailblazer
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