This is imported from bugzilla item
Description Markus Mäkelä 2015-02-04 19:14:51 UTC
Created attachment 183 http://bugs.mariadb.com/attachment.cgi?id=183
Quote from the readconnroute.c file:
With this assumption the Read Connection Router service from the attached configuration should work.
Currently if no router_options is defined, the default operation is to route to a master. If the service has no master servers, new session creation will fail.