@BeforeClass public static void startServer() throws Exception { server = new Server(); ServerConnector connector = new ServerConnector(server); connector.setPort(0); server.addConnector(connector); ContextHandlerCollection contexts = new ContextHandlerCollection(); File dir = MavenTestingUtils.getTargetTestingDir(ResourceHandlerRangeTest.class.getSimpleName()); FS.ensureEmpty(dir); File rangeFile = new File(dir, "range.txt"); try (FileWriter writer = new FileWriter(rangeFile)) { writer.append("0123456789"); writer.flush(); } ContextHandler contextHandler = new ContextHandler(); ResourceHandler contentResourceHandler = new ResourceHandler(); contextHandler.setBaseResource(Resource.newResource(dir.getAbsolutePath())); contextHandler.setHandler(contentResourceHandler); contextHandler.setContextPath("/"); contexts.addHandler(contextHandler); server.setHandler(contexts); server.start(); String host = connector.getHost(); if (host == null) { host = "localhost"; } int port = connector.getLocalPort(); serverUri = new URI(String.format("http://%s:%d/", host, port)); }