spring - How do I get the user in tomcat's access log? -


i have spring application running on tomcat running on ec2 instance managed aws elastic beanstalk. application uses http basic authentication , log properties not overriden. believe default log format access logs is: "%h %l %u %t "%r" %s %b" %u supposed give user in http authentication.

however, logs have - in user column. line of log looks like: 

127.0.0.1 - - [15/aug/2017:05:43:33 +0000] "get /v1//client/test/team http/1.1" 200 319

how display username passed in http basic auth header?


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