Simple code to initialize Log4j to only log to console. Useful in unit tests where you have log4j dependency in your code.

Log4jToConsoleTest.java

package com.inepex.gist;

import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.junit.Test;

public class Log4jToConsoleTest {
  @Test
  public void testRead() throws IOException {
    ConsoleAppender ca = new ConsoleAppender(new PatternLayout(PatternLayout.TTCC_CONVERSION_PATTERN), "System.out");
    Logger.getRootLogger().addAppender(ca);
    logger.info("Hello console");
  }
}