Diagnostic logs

Diagnostic logs are automatically recorded information about the application's operation – e.g. steps performed in a process, system messages, errors, or response time.

Logs are used to analyze problems (e.g. why a given request ended with an error), monitor the correctness of business processes, and support IT teams in quickly finding causes of errors and incidents. They help ensure the stability and security of the application.

Logging levels

  • INFO – standard information about operation,

  • DEBUG – details for developers; usually turned off in production so as not to generate excess data.

  • WARN – warning. The system is running, but something has appeared that may indicate a potential problem.

  • ERROR – error. The operation has failed.

Logger in low code

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