2016-06-16 11:15 GMT+02:00 Andy Wilkinson <awilkin...@pivotal.io>: > I work on Spring Boot which uses Tomcat (or Jetty or Undertow) as an > embedded servlet container. We've seen a number of complaints from users > that their application hangs during startup, most often on a newly booted > VPS. The root cause is a lack of entropy which causes Tomcat's use of > SecureRandom for session ID generation to block. > > Users that choose to use Undertow rather than Tomcat aren't affected by > this problem during startup. Like Tomcat, Undertow uses SecureRandom to > generate session IDs. However, unlike Tomcat, Undertow does so lazily. This > defers the problem till the first request that uses a session and > permanently if the application does not make use of HTTP sessions. > > Can we please explore the possibility of making Tomcat behave in a similar > way to Undertow? > > -1, I am against fake improvements.
Rémy
