tomcat 8.5 gives RC 400 sometimes?

[Lou DeGenaro]

tomcat version = 8.5.5

Requests for same file sometimes get 200 and sometime 400.  How come?

>From log file:

192.168.1.1 - - [22/Feb/2018:05:48:57 -0500] "GET /
whiteplainshistory.org//local/images/icons/Heritage_Trail.jpg HTTP/1.1" 400
-

192.168.1.1 - - [22/Feb/2018:05:49:05 -0500] "GET /
whiteplainshistory.org//local/images/icons/Heritage_Trail.jpg HTTP/1.1" 200
3207

Thanks.

Lou.