UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36

Steps to reproduce the problem:
1. Create a server with attached files on localhost.
2. Create your websocket server
3. Open 3 tabs with given index.html.
4. Write your websocket server's url in text field in 1st tab and click "Connect". Repeat it in the 2nd and 3rd tabs.
5. Then refresh 1st tab and reconnect to your websocket server, refresh 2 tab and reconnect to your websocket server.
6 Refresh 3 tab, then choose 1st tab and click "Connect" one more time.
7. See an error in console.

What is the expected behavior?

What went wrong?
I get an error message from pepflashplayer.dll
see 1.jpg

Did this work before? N/A 

Chrome version: 49.0.2623.87  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 21.0 r0
 

Deleted: test.7z 238 KB

test.7z 238 KB Download

Deleted: 1.jpg 178 KB

	1.jpg 178 KB View Download