VSE matches log show 404 Not Found messages in

Document ID : KB000076604
Last Modified Date : 26/09/2018
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Introduction:
vse_matches.log shows the below error:

2018-04-06 13:42:40,049Z (15:42)[PortServer:0.0.0.0/0.0.0.0:50034] INFO  - Response on the Wire HTTP/1.1 404 Not Found
Connection: close
Content-Type: text/html; charset=US-ASCII
Content-Length: 141

<html><head><title>404 Not Found</title></head><body><h1>Not Found</h1>The requested URL / was not found on this server.<p><hr></body></html>
 
Question:
What causes the below error in vse_matches.log :

2018-04-06 13:42:40,049Z (15:42)[PortServer:0.0.0.0/0.0.0.0:50034] INFO - Response on the Wire HTTP/1.1 404 Not Found Connection: close Content-Type: text/html; charset=US-ASCII Content-Length: 141

Not Found

The requested URL / was not found on this server.

 

Environment:
DevTest supported  versions.
Answer:
The "404 Not Found" messages will be shown in vse_matches.log when the transaction hit the VS is not available in the VSI file.