The complete event wasn't getting called on local file 404s. Thanks to 'mrspeaker' for the patch. Fixes #5468.

jeresig · jeresig · commit 513053d62ba8 · 2009-11-07T14:59:47.000+01:00
diff --git a/src/ajax.js b/src/ajax.js
@@ -457,6 +457,8 @@ jQuery.extend({
 			xhr.send( type === "POST" || type === "PUT" ? s.data : null );
 		} catch(e) {
 			jQuery.handleError(s, xhr, null, e);
+			// Fire the complete handlers
+			complete();
 		}
 
 		// firefox 1.5 doesn't fire statechange for sync requests

Original file line number	Diff line number	Diff line change
`@@ -457,6 +457,8 @@ jQuery.extend({`
`457`	`457`	`xhr.send( type === "POST" \|\| type === "PUT" ? s.data : null );`
`458`	`458`	`} catch(e) {`
`459`	`459`	`jQuery.handleError(s, xhr, null, e);`
	`460`	`+ // Fire the complete handlers`
	`461`	`+ complete();`
`460`	`462`	`}`
`461`	`463`
`462`	`464`	`// firefox 1.5 doesn't fire statechange for sync requests`