This java agent override the java.net.InetAddres#getLocalHost() address to always return 127.0.0.1. To run this tools, add the jagent-*.jar as a -javaagent and make sure that asm-*.jar is part of the classpath (as in java -javaagent:./target/jagent-1.0.0.jar -cp ~/.m2/repository/asm/asm/3.2/asm-3.2.jar:./target/jagent-1.0.0-tests.jar com.jolira.jagent.MainTest)