Re: cloneNode in a xpcom component failed

On 11/28/08 9:59 PM, Smaug wrote:
> On 11/28/08 1:34 PM, Sylvain Spinelli wrote:
>> Hi,
>>
>> Context : 1.9.1 recent build, windows
>>
>> // In a JS component, I load a DOM (from chrome://)
>> var vXhrComp = Components.classes["@mozilla.org/xmlextras/
>> xmlhttprequest;1"];
>> var vReq = vXhrComp.createInstance
>> (Components.interfaces.nsIXMLHttpRequest);
>> vReq.open("GET", "chrome://mychrome/content/myFile.xml", false);
>> vReq.send(null);
>> var vXml = vReq.responseXML;
>>
>> //I want to "backup" my dom
>> var vXmlBackup = vXml.cloneNode(true);
>>
>> The cloneNode failed : Security Error: Content at moz-nullprincipal:
>> {c0db3ee1-d7c3-47e4-b6d9-0a08830f15c9} may not load or link to //
>> chrome://mychrome/content/myFile.xml.
And is it really .cloneNode which causes the security error, not 
XMLHttpRequest? Well explain this all in the bug report and please try
to provide a *minimal* testcase.