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

Last updated on FEBRUARY 12, 2019

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://<HOST>:5001/console/login/LoginForm.jsp
+ 0.012        !    0.045    582    2838    GET    200    css    http://<HOST>:5001/console/framework/skins/wlsconsole/css/general.css
+ 0.014        !    0.019    581    4351    GET    200    css    http://<HOST>:5001/console/framework/skins/wlsconsole/css/window.css
+ 0.018        !    0.031    553    2713    GET    200    css    http://<HOST>:5001/console/css/login.css
+ 0.021        !    0.033    592    2447    GET    200    gif    http://<HOST>:5001/console/framework/skins/wlsconsole/images/ConsoleTitle2l.gif
+ 0.076        !    0.005    586    280    GET    200    gif    http://<HOST>:5001/console/framework/skins/wlsconsole/images/window_l.gif
+ 0.078        !    0.005    586    293    GET    200    gif    http://<HOST>:5001/console/framework/skins/wlsconsole/images/window_r.gif
+ 0.080        !    0.021    561    5324    GET    200    gif    http://<HOST>:5001/console/images/buttons_bg.gif
+ 0.082        !    0.009    587    709    GET    200    gif    http://<HOST>:5001/console/framework/skins/wlsconsole/images/window_tb.gif
+ 0.085        !    0.009    589    410    GET    200    gif    http://<HOST>: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://<HOST>:6868/console/login/LoginForm.jsp
+ 0.009        !    0.011    582    120    GET    304    css    http://<HOST>:6868/console/framework/skins/wlsconsole/css/general.css
+ 0.010        !    0.010    581    120    GET    304    css    http://<HOST>:6868/console/framework/skins/wlsconsole/css/window.css
+ 0.012        !    0.009    553    120    GET    304    css    http://<HOST>:6868/console/css/login.css
+ 0.014        !    0.009    592    120    GET    304    gif    http://<HOST>:6868/console/framework/skins/wlsconsole/images/ConsoleTitle2l.gif
+ 0.024        !    0.005    587    120    GET    304    gif    http://<HOST>:6868/console/framework/skins/wlsconsole/images/window_tb.gif
+ 0.027        !    0.004    586    120    GET    304    gif    http://<HOST>:6868/console/framework/skins/wlsconsole/images/window_l.gif
+ 0.030        !    0.007    586    120    GET    304    gif    http://<HOST>:6868/console/framework/skins/wlsconsole/images/window_r.gif
+ 0.033        !    0.005    589    120    GET    304    gif    http://<HOST>:6868/console/framework/skins/wlsconsole/images/titlebar_bg.gif
+ 0.042        !    0.004    561    120    GET    304    gif    http://<HOST>: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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In this Document
Symptoms
Changes
Cause
Solution
References

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