[BUG] The host value in the original request header is lost after shenyu forwards it

[wls981]

Is there an existing issue for this?

• [X] I have searched the existing issues

Current Behavior

As shown in the figure above, the above figure is the list of headers in the web request output in the back-end application after forwarding by shenyu. The value of the host header is not the value of the host header in the original request.

My deployment environment is as follows:

Expected Behavior

Expect to get the host header value in the original request.

Steps To Reproduce

The deployment environment as described above is reproducible.

Environment

ShenYu version(s):2.4.1

Debug logs

No response

Anything else?

No response

[yu199195]

you can used shenyu least version

[wls981]

The latest version still has the problem.

[yu199195]

shenyu will remove original host in webclient,

headers.remove(HttpHeaders.HOST);

you can used nettyHttpClient

[wls981]

Yes, I saw that the host header was removed from the webclient plugin. Currently, I modified the plugin and commented out this line, but I don't understand the reason for this.

[hutaishi]

Yes, I saw that the host header was removed from the webclient plugin. Currently, I modified the plugin and commented out this line, but I don't understand the reason for this.

The latest version has been modified. removed:

headers.remove(HttpHeaders.HOST);