conf package:pontarius-xmpp

Resource or session with name already exists.
Configuration for the Session object.
Configuration settings related to the stream.
The server either (1) is closing the existing stream for this entity because a new stream has been initiated that conflicts with the existing stream, or (2) is refusing a new stream for this entity because allowing the new stream would conflict with an existing stream (e.g., because the server allows only a certain number of connections from the same IP address or allows only one server-to-server stream for a given domain pair as a way of helping to ensure in-order processing
DNS resolver configuration
Configuration for the Stream object.
Configuration settings for the stream