Below snippet prints the internal state of logback library.
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory(); StatusPrinter.print(loggerContext);
Find the below working application.
PrintInternalState.java
package com.sample.app;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.core.util.StatusPrinter;
public class PrintInternalState {
public static void main(String[] args) {
Logger logger = LoggerFactory.getLogger(PrintInternalState.class);
logger.debug("Hello world....");
// print internal state
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
StatusPrinter.print(loggerContext);
}
}
Output
19:46:45.837 [main] DEBUG com.sample.app.PrintInternalState - Hello world.... 19:46:45,798 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback-test.xml] 19:46:45,799 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback.xml] 19:46:45,801 |-INFO in ch.qos.logback.classic.BasicConfigurator@7e6cbb7a - Setting up default configuration.
From the outptut, you can confirm that Logback library is failed to find the logback-test.xml and logback.xml configuration files, and it is configured itself using its default policy.
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