Post

Logging Level

✅ Logging

use log4j use different levels to express urgency of error

✅ ERROR

  • Immediate solution required for program running

✅ WARN

  • Need to be warned, but program is running
  • unable to use current data, cache
  • admin console password is not protected

✅ INFO

  • notify when important process is being started, ended

✅ DEBUG

  • developer adds log to make record
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