sample-apps/spark-awssdkv1/src/main/java/com/amazon/sampleapp/App.java [28:54]:
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    String port;
    String host;
    String listenAddress = System.getenv("LISTEN_ADDRESS");

    if (listenAddress == null) {
      host = "127.0.0.1";
      port = "4567";
    } else {
      String[] splitAddress = listenAddress.split(":");
      host = splitAddress[0];
      port = splitAddress[1];
    }

    // set sampleapp app port number and ip address
    port(Integer.parseInt(port));
    ipAddress(host);

    get(
        "/",
        (req, res) -> {
          return "healthcheck";
        });

    /** trace http request */
    get(
        "/outgoing-http-call",
        (req, res) -> {
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sample-apps/spark/src/main/java/com/amazon/sampleapp/App.java [33:59]:
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    String port;
    String host;
    String listenAddress = System.getenv("LISTEN_ADDRESS");

    if (listenAddress == null) {
      host = "127.0.0.1";
      port = "4567";
    } else {
      String[] splitAddress = listenAddress.split(":");
      host = splitAddress[0];
      port = splitAddress[1];
    }

    // set sampleapp app port number and ip address
    port(Integer.parseInt(port));
    ipAddress(host);

    get(
        "/",
        (req, res) -> {
          return "healthcheck";
        });

    /** trace http request */
    get(
        "/outgoing-http-call",
        (req, res) -> {
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