Performance Degradation Due to Repeated Download of Static Files (Doc ID 1383098.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle Weblogic Server - Version: 10.3 to 10.3
Information in this document applies to any platform.

Symptoms

On a WebLogic Server 10.3.0 domain, when accessing the admin console and refreshing the page by clicking the F5 button, the static files like .js/.css/.gif are re-downloaded for every request (the HTTP response code is 200), rather than using the cached version (which would result in an HTTP response code of 304). For example, we see these problematic results:

Started         !       Time    Sent   Received Method Result   Type    URL
00:00:00.000	Oracle WebLogic Server Administration Console								
+ 0.000		!	0.011	445	3770	GET	200	html	http://localhost:5001/console/login/LoginForm.jsp
+ 0.012		!	0.045	582	2838	GET	200	css	http://localhost:5001/console/framework/skins/wlsconsole/css/general.css
+ 0.014		!	0.019	581	4351	GET	200	css	http://localhost:5001/console/framework/skins/wlsconsole/css/window.css
+ 0.018		!	0.031	553	2713	GET	200	css	http://localhost:5001/console/css/login.css
+ 0.021		!	0.033	592	2447	GET	200	gif	http://localhost:5001/console/framework/skins/wlsconsole/images/ConsoleTitle2l.gif
+ 0.076		!	0.005	586	280	GET	200	gif	http://localhost:5001/console/framework/skins/wlsconsole/images/window_l.gif
+ 0.078		!	0.005	586	293	GET	200	gif	http://localhost:5001/console/framework/skins/wlsconsole/images/window_r.gif
+ 0.080		!	0.021	561	5324	GET	200	gif	http://localhost:5001/console/images/buttons_bg.gif
+ 0.082		!	0.009	587	709	GET	200	gif	http://localhost:5001/console/framework/skins/wlsconsole/images/window_tb.gif
+ 0.085		!	0.009	589	410	GET	200	gif	http://localhost:5001/console/framework/skins/wlsconsole/images/titlebar_bg.gif

We expect to see these results instead:

Started         !       Time    Sent   Received Method Result   Type    URL
00:00:00.000	Oracle WebLogic Server Administration Console								
+ 0.000		!	0.008	445	3770	GET	200	html	http://localhost:6868/console/login/LoginForm.jsp
+ 0.009		!	0.011	582	120	GET	304	css	http://localhost:6868/console/framework/skins/wlsconsole/css/general.css
+ 0.010		!	0.010	581	120	GET	304	css	http://localhost:6868/console/framework/skins/wlsconsole/css/window.css
+ 0.012		!	0.009	553	120	GET	304	css	http://localhost:6868/console/css/login.css
+ 0.014		!	0.009	592	120	GET	304	gif	http://localhost:6868/console/framework/skins/wlsconsole/images/ConsoleTitle2l.gif
+ 0.024		!	0.005	587	120	GET	304	gif	http://localhost:6868/console/framework/skins/wlsconsole/images/window_tb.gif
+ 0.027		!	0.004	586	120	GET	304	gif	http://localhost:6868/console/framework/skins/wlsconsole/images/window_l.gif
+ 0.030		!	0.007	586	120	GET	304	gif	http://localhost:6868/console/framework/skins/wlsconsole/images/window_r.gif
+ 0.033		!	0.005	589	120	GET	304	gif	http://localhost:6868/console/framework/skins/wlsconsole/images/titlebar_bg.gif
+ 0.042		!	0.004	561	120	GET	304	gif	http://localhost:6868/console/images/buttons_bg.gif
			0.046	5662	4850	10 requests

Changes

JVM's user language is not set to English ('en').

Cause

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