After deploying a .war to JBoss Wildfly, I start a Testcase and want to read a XML-File from the filesystem (relative path -> <Project>/target/test-classes). As this didn't work, I checked the path: System.out.println(new File("test.txt").getAbsolutePath());

The result was <WILDFLY-HOME/bin/test.txt which was really a big surprise!

I am not absolutely sure if this is a bug, but it hampers testing a lot in some cases and it should at least be better documented. (I couldn't find information about this behavior so far.)