On Thursday, February 13, 2014 6:04:10 PM UTC-8, David Karr wrote:
>
> I've written a simple server script that is intended to be used as a tool
> for front-end developers to shorten their dev cycle. It serves all local
> files, but proxies calls to a web service to an external domain. It uses
> "express" to serve static files and "http-proxy" to proxy the web services.
>
> This works fine when used with Chrome. However, when used with Firefox,
> it seems to load the files, but doesn't know what to do with them. I
> narrowed this down to the fact that Node isn't setting the "Content-Type"
> header on the files it sends to the browser. Chrome is ok with this,
> because apparently it intuits a guess based on the file content. Firefox
> doesn't do that. I also assembled the app with our full build script and
> deployed it to WebLogic, and that works fine in both Chrome and Firefox, as
> WebLogic sets the Content-Type properly.
>
> This is my simple script:
>
> var express = require('express');
>> var httpProxy = require('http-proxy');
>>
>> var app = express();
>>
>> var proxy = new httpProxy.createProxyServer({});
>>
>> app.use(app.router);
>> app.use("/", express.static(__dirname));
>>
>> app.all('/FooService/*', function(req, res) {
>> "use strict";
>> return proxy.web(req, res, {
>> target: "http://otherhost:port";
>> });
>> });
>>
>> app.listen(8000);
>>
>>
> Is this a known problem with "express"? Is there a simple workaround, or
> do I have to do this very differently?
>
I've concluded that Node/Express is setting the Content-Type.
Nevertheless, the page served from Node into Firefox is semi-brain-dead,
resulting in Firefox not loading the javascript files. I don't have this
problem when the files are served by WebLogic, and I don't see this problem
in Chrome, no matter whether the files are served by Node or WebLogic.
The only significant difference I see in the response headers is actually
in the Content-Type value sent by Node. This is what I see from Node and
WebLogic:
* Node: text/html; charset=UTF-8
* WebLogic: text/html
I have no idea whether this is significant.
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