Getting mvn and log4j2 to work nicely

log4j2.properties

# Console appender configuration
appender.console.type = Console
appender.console.name = consoleLogger
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = %d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

# Root logger level
rootLogger.level = trace

# Root logger referring to console appender
rootLogger.appenderRef.stdout.ref = consoleLogger

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.example</groupId>
  <artifactId>starter</artifactId>
  <version>1.0.0-SNAPSHOT</version>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

    <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
    <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
    <junit-jupiter.version>5.9.1</junit-jupiter.version>
    <log4j.version>2.20.0</log4j.version>
  </properties>
  
  <dependencies>
  
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-api</artifactId>
      <version>${junit-jupiter.version}</version>
      <scope>test</scope>
    </dependency>
    
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-engine</artifactId>
      <version>${junit-jupiter.version}</version>
      <scope>test</scope>
    </dependency>
    
    <!-- Logging using Log4j2 -->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-api</artifactId>
      <version>${log4j.version}</version>
    </dependency>

    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-core</artifactId>
      <version>${log4j.version}</version>
    </dependency>

    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-jul</artifactId>
      <version>${log4j.version}</version>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>${maven-compiler-plugin.version}</version>
        <configuration>
          <release>11</release>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>${maven-surefire-plugin.version}</version>
      </plugin>
    </plugins>
  </build>

</project>

runtest.sh

#!/bin/bash
# Maven needs to be on th path
mvn -Dlog4j2.configurationFile=$HOME/Code/junit-maven/log4j2.properties clean test

TestMain.java

package com.example.starter;

import static org.junit.jupiter.api.Assertions.assertEquals;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

public class TestMain {

  Logger logger = LogManager.getLogger(TestMain.class);

  @BeforeEach
  void beforeEach() {
    logger.info("Running in BeforeEach");
  }

  @Test
  void test1() {
    String msg = "Hello World";
    logger.warn(msg);
    assertEquals(11, msg.length(), "Is Hello World 11 chars?");
    logger.debug("Test1 completed");
  }

  @Test
  void test2() {
    try {
      throw new Exception("'FAIL'");
    } catch (Exception e) {
      logger.error(e);
    }
  }

  @Test
  void test3() {
    String msg = "Hello World";
    assertEquals(11, msg.length(), "Is Hello World 11 chars, again?");
    logger.trace("Test3 completed");
  }
}