Could not complete the operation due to error c00ce56e

Question

I've upgraded from rich faces 3.3 to rich faces 4.2 because ajax didn't work for IE9. Now it still not works. After receiving the Response IE gets an JS error "SCRIPT58734: Der Vorgang konnte aufgrund des folgenden Fehlers nicht fortgesetzt werden: c00ce56e." while trying ``` data.responseText=request.responseText ``` on jsf.js.html?ln=javax.faces&conversationContext=2, Line 1 Row 21747 I think it's because of an incorrecct HTTP header ``` Content-Type: text/xml;charset=UTF8 ``` should be ``` Content-Type: text/xml;charset=UTF-8 ``` Here The raw-response of the server ``` HTTP/1.1 200 OK Server: Apache-Coyote/1.1 X-Powered-By: JSF/2.0 Cache-Control: no-cache Content-Type: text/xml;charset=UTF8 Content-Length: 293 Date: Tue, 17 Apr 2012 15:25:22 GMT

Hello !]]>

Accepted Answer

Your analysis is correct. The `charset` attribute in the `Content-Type` header is wrong and IE9 chokes on that with error `c00ce56e`.

JSF uses by default the one as obtained from `ServletRequest#getCharacterEncoding()`. This normally defaults to the client-specified one, or `null` if there's none (which is often the case). This is normally overrideable by some custom filter which calls `request.setCharacterEncoding()`.

Given the incorrect charset, this can only mean that your web application is somewhere calling `request.setCharacterEncoding()` with `"UTF8"` instead of `"UTF-8"`.

I'd start checking all filters and their configuration.

Could not complete the operation due to error c00ce56e

Solution

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