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Check HTTP Request Response

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by vigneshchennai74 dot icon Updated: Mar 11, 2023

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Checking HTTP request-response involves sending a request to a server over HTTP and receiving a response from the server. The response can be used to check the server's status, ensure that it is active, and respond to requests. 


This code is an example of checking HTTP request-response, where it sends an HTTP POST request to a specified URI and prints the response received from the server. If the response is successful (e.g., HTTP status code 200), it confirms that the server is active and responding to requests. Checking HTTP request-response is important because it ensures the server is available and functioning correctly. It can help identify any issues or errors that may prevent the server from operating as intended. This can be particularly useful in debugging and troubleshooting scenarios. 

Preview of the output that you will get on running this code.

Code

In this solution we have used HttpClient function in java.

sending HTTP POST requests in Java

JavadotLines of Code : 27dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
package com.*********.xyz;

        import java.io.IOException;
        import java.util.Scanner;
        import java.net.URI;
        import java.net.http.HttpClient;
        import java.net.http.HttpRequest;
        import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws IOException, InterruptedException {
        String body = "this is the message you are going to post!";

        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
                .uri(URI.create("http://192.168.1.46:4046/authenticate"))
                .headers("Content-Type", "text/plain;charset=UTF-8")
                .POST(HttpRequest.BodyPublishers.ofString(body))
                .build();
        HttpResponse<String> response = client.send(request,
                HttpResponse.BodyHandlers.ofString());

        System.out.println(response);
        //Should print 200 after sending the response if the server is active
    }
}
  1. Copy the code using the "Copy" button above, and paste it in a Java file in your IDE.
  2. Add Java.io and java.net library and import in java file.
  3. Run the file to get the output.


I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.


I found this code snippet by searching for "Send http request in java" in Kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.


  • The solution is created and executed in Eclipse Version: 2022-09 (4.25.0)


In this solution we are going to Send HTTP post Request in java with simple steps. This process also facilities an easy to use, hassle free method to create a hands-on working version of code which would help us Send HTTP post Request in java.

Dependent Library

http-requestby kevinsawicki

Java doticonstar image 3299 doticonVersion:Currentdoticon
License: Permissive (MIT)

Java HTTP Request Library

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          Reuse

            http-requestby kevinsawicki

            Java doticon star image 3299 doticonVersion:Currentdoticon License: Permissive (MIT)

            Java HTTP Request Library
            Support
              Quality
                Security
                  License
                    Reuse

                      If you do not have http-request that is required to run the code , You can just install it by clicking on the Library Library. You can search for any dependent library on kandi like http-request.

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