Settings settings = new Settings();
        Proxy proxy = new Proxy();
        String id = "foo";
        proxy.setId(id);
        proxy.setHost("www.example.com");
        settings.addProxy(proxy);
        settings.addProxy(proxy);

        SimpleProblemCollector problems = new SimpleProblemCollector();
        validator.validate(settings, problems);
        assertEquals(1, problems.messages.size());

        //    </proxy>
        //  </proxies>

        for (Proxy proxy : settings.getProxies()) {
            if (!proxy.isActive()) {
                continue;
            }

            request.addProxy(proxy);
        }

        // <mirrors>
        //   <mirror>
        //     <id>nexus</id>
        //     <mirrorOf>*</mirrorOf>
        //     <url>http://repository.sonatype.org/content/groups/public</url>

        //    </proxy>
        //  </proxies>

        for (Proxy proxy : settings.getProxies()) {
            if (!proxy.isActive()) {
                continue;
            }
            request.addProxy(new org.apache.maven.settings.Proxy(proxy));
        }

        // <mirrors>
        //   <mirror>
        //     <id>nexus</id>
        //     <mirrorOf>*</mirrorOf>

    // Use a misconfigured proxy to guarantee that the request is retried.
    client =
      client
        .newBuilder()
        .proxySelector(
          FakeProxySelector()
            .addProxy(server2.proxyAddress)
            .addProxy(Proxy.NO_PROXY),
        ).build()
    server2.close()
    val request =
      Request(
        url = server.url("/def"),
        body = transferKind.newRequestBody("body"),
      )

    client =
      client
        .newBuilder()
        .proxySelector(
          FakeProxySelector()
            .addProxy(server2.proxyAddress)
            .addProxy(Proxy.NO_PROXY),
        ).build()
    server2.close()
    val request =
      Request(
        url = server.url("/"),
        body = "abc".toRequestBody("text/plain".toMediaType()),