After starting Wildfly on the page - forbidden how to fix it?

Question

Java

I start the server, there is one jsp page - hello world and I see forbidden in the browser! How to fix it ? In the logs I see two lines of warning

17:01:00,704 WARN  [org.jboss.as.txn] (ServerService Thread Pool -- 58) WFLYTX0013: The node-identifier attribute on the /subsystem=transactions is set to the default value. This is a danger for environments running multiple servers. Please make sure the attribute value is unique.

and

17:01:02,049 WARN  [org.jboss.as.domain.management.security] (MSC service thread 1-6) WFLYDM0111: Keystore /home/alex/wildfly/wildfly-12.0.0.Final/standalone/configuration/application.keystore not found, it will be auto generated on first use with a self signed certificate for host localhost

Although since morning everything worked fine!!