January 2018
Intermediate to advanced
350 pages
9h 7m
English
Content preview from Java EE 8 High Performance
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Level
Level is a simple concept. It is the metadata of the log record but also most of the logging components we just looked at. The main idea is to be able to compare the log record level to the level of the component the record goes through to skip the message if it is not compatible. The common (sorted) logging levels are:
- OFF: Not directly used by the log record, but generally used only by other components, it disables any log message.
- SEVERE (or ERROR): The highest log level. It is intended to be used when something bad occurs. A record is logged if the component level is not OFF.
- WARNING: Generally used when something wrong happened (but is not preventing the application to work); a record is logged if the level of the components is ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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