找不到Log4j2.xml但是log4j2-test.xml是

Question

I'm upgrading from log4j 1.x to log4j 2, and have updated my log4j.xml configuration file to a new log4j2.xml configuration. I'm running maven, spring, and mule.

When running a test maven build, the log4j2.xml file is not being picked up. However, if I rename the file log4j2-test.xml, it gets picked up (for instance the console logger with a custom PatternLayout works correctly the second case, but in the first case the default config is used).

Why would log4j pick up the log4j2-test.xml but not the log4j2.xml?

Answer 1

Since log4j2-test.xml has a higher load precedence than log4j2.xml , you probably have another log4j2 configuration file somewhere on your classpath that's overriding your log4j2.xml . Try finding the location of which conf file is getting pulled by having the following code execute when you run your maven test build:

for (String confFile : Arrays.asList("/log4j2-test.xml", "/log4j2.yaml", "/log4j2.yml", "/log4j2.json", "/log4j2.jsn", "/log4j2.xml")) {
    URL resource = YourTestClass.class.getResource(confFile);
    if (resource != null) {
        System.out.format("found %s in: %s\n", confFile, resource.getFile());
    }
}