NoHostAvailableException ClassA C# client driver for Apache Cassandra
Exception thrown when a query cannot be performed because no host are available. This exception is thrown if
  • either there is no host live in the cluster at the moment of the query
  • all host that have been tried have failed due to a connection problem
For debugging purpose, the list of hosts that have been tried along with the failure cause can be retrieved using the #errors method.
Inheritance Hierarchy

OnlineSystem Object
  OnlineSystem Exception
    Cassandra DriverException
      Cassandra NoHostAvailableException

Namespace: Cassandra
Assembly: Cassandra (in Cassandra.dll) Version: (

public class NoHostAvailableException : DriverException
See Also