Use non-blocking random source by default (-Djava.security.egd=file:/dev/./urandom )

Deploying the jboss-fuse-springboot-camel-rest-sql quickstart, the tomcat initialization takes quite a long time (over 1 minute) generating secrets...

Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [96,725] milliseconds

A non-blocking random source (-Djava.security.egd=file:/dev/./urandom ) should be used by default to be consistent with other xPaaS images, (see .e.g https://issues.jboss.org/browse/CLOUD-604 )