Resolving the Data handler does not fire Issue in Node.js HTTP Server

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Understanding the Problem: Data Handler Not Firing

Imagine you are streaming JSON data line by line to an HTTP server, only to find that your data event listener fails to trigger. In the provided scenario, the server successfully logs "request received," but it never reaches the data callback intended to handle incoming information. This leaves us perplexed, asking: What is going wrong?

The Root of the Issue

Upon inspecting the code, the problem arises from the absence of an HTTP method specification in the client request. Here’s the crucial realization:

By default, HTTP requests are made using the GET method.

The Simple Solution: Add the Method

To resolve this issue, we simply need to specify the method as POST when making the request. This is how you can modify your code:

[[See Video to Reveal this Text or Code Snippet]]

Why Does This Fix the Issue?

POST Method: By changing the method to POST, we designate that this request can send data in the body.

Body Data Handling: The server is set to listen for data events. With POST, the data written from the client now gets registered in the server's data handler.

Seamless Data Transmission: This ensures smooth streaming of your JSON, line by line, as intended.

Conclusion