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Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Unified JVM Logging [JEP 158]

Creating a unified logging schema for the JVM was the central goal of JEP-158. Here is a comprehensive list of the goals of the JEP:

  • Create a JVM-wide set of command-line options for all logging operations
  • Use categorized tags for logging
  • Permit messages to have multiple tags, also referred to as tag sets
  • Provide six levels of logging:
    • Error
    • Warning
    • Information
    • Debug
    • Trace
    • Develop
  • Select which messages are logged based on levels
  • Optionally direct logging to the console or a file
    • Print one line at a time and do not support interleaving within the same line
  • Permit output of multiple line logs (non-interleaved)
  • Format all logging messages so that they are easily human-read
  • Add decorations such as uptime, ...
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Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page