1. Symptom:
I found lots of requests for the same resource on Apache logs, like this:
/image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 206 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 206 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 206 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
10.83.140.23 - - [29/Dec/2011:08:50:10 +0800] "GET /image/default/dHtmTreeImg/iconUnCheckAll.gif HTTP/1.1" 200 120
I searched a lot still don't understand why this happens? How to prevent this happens? Thanks.
2. Environment
Apache: 2.2 OS: windows 2003