Azure Functions Troubleshooting

Common Issues and Solutions

Unhandled Exceptions

Azure Functions can throw exceptions if your code isn't handling errors gracefully. Ensure proper error handling with try-catch blocks and logging. Check your Application Insights logs for detailed error messages. Consider adding a global exception handler.

Dependency Conflicts

Conflicts between different library versions can lead to unexpected behavior. Use a package manager (like npm or yarn) to manage your dependencies and ensure version compatibility.

Timeout Errors

Functions may time out if they are running for too long. Increase the timeout setting in your function configuration. Optimize your code to reduce execution time.

Debugging Techniques

Application Insights

Connect your function to Application Insights for detailed monitoring, tracing, and exception analysis. Set up alerts for critical errors.

Remote Debugging

Use VS Code's remote debugging capabilities to step through your function's code in real-time. This allows you to identify the exact location of the issue.

Logging

Implement comprehensive logging throughout your function. Use different log levels (Debug, Info, Warning, Error) to track the flow of execution and identify potential problems.