in src/main/java/org/apache/sling/testing/serversetup/StartRunnableJarPhase.java [38:51]
public StartRunnableJarPhase(final ServerSetup owner, String id, String description, Properties config)
throws JarExecutor.ExecutorException {
this.id = id;
this.description = description;
executor = new JarExecutor(config);
String hostname = config.getProperty(TEST_SERVER_HOSTNAME);
if(hostname == null) {
hostname = "localhost";
}
final String url = "http://" + hostname + ":" + executor.getServerPort();
log.info("Server base URL={}", url);
owner.getContext().put(ServerSetup.SERVER_BASE_URL, url);
}