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"wrapper" Log ​

This log is crucial as it captures all application console messages, acting as the main system log.

This log is linked to the wrapper.conf file located in the [installation directory]/conf folder.

Basic Configuration ​

  • Name: wrapper
  • Output file: logs/wrapper.log
  • Importance: Main application log

Role and Usage ​

The wrapper-log serves several essential purposes:

  • Captures all application console messages.
  • Records system startup and shutdown events.
  • Logs critical system errors.
  • Tracks service configuration changes.
  • Documents memory and performance issues.
  • Captures the "Thread dump" of the system in case of crash.

Troubleshooting Usage ​

This log is particularly useful for:

  • Diagnosing startup issues.
  • Analyzing system crashes.
  • Checking general service status.
  • Monitoring configuration changes.
  • Resolving performance issues.

Best Practices ​

  • Consult this log first when an incident occurs.
  • Regularly check warning messages.
  • Keep archives for historical analysis.
  • Use this log for system monitoring.