static List<InetSocketAddress> parseContactPoints(String contactPoints) {
    List<InetSocketAddress> result = new ArrayList<>();
    for (String contactPoint : contactPoints.split(",", 100)) {
      HostAndPort parsed = HostAndPort.fromString(contactPoint, 9042);
      result.add(new InetSocketAddress(parsed.getHost(), parsed.getPort()));
    }
    return result;
  }
Returns a connected session. Closes the cluster if any exception occurred.
zipkin-storage/cassandra/src/main/java/zipkin2/storage/cassandra/internal/SessionBuilder.java