Apache HttpComponents - HttpClient Logging Practices



handlers=java.util.logging.ConsoleHandler  .level=INFO  java.util.logging.FileHandler.pattern = %h/java%u.log  java.util.logging.FileHandler.limit = 50000  java.util.logging.FileHandler.count = 1  java.util.logging.FileHandler.formatter = java.util.logging.XMLFormatter  java.util.logging.ConsoleHandler.level = INFO  java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter  com.xyz.foo.level = SEVERE

To customize logging a custom logging.properties file should be created in the project directory. The location of this file must be passed to the JVM as asystem property. This can be done on the command line like so:

$JAVA_HOME/java -Djava.util.logging.config.file=$HOME/myapp/logging.properties  -classpath $HOME/myapp/target/classes com.myapp.Main

Alternatively LogManager#readConfiguration(InputStream) can be used to pass it the desired configuration.

  • Enable header wire + context logging - Best for Debugging
    .level = INFO    handlers=java.util.logging.ConsoleHandler  java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter  java.util.logging.ConsoleHandler.level = ALL    org.apache.http.level = FINEST  org.apache.http.wire.level = SEVERE

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