classTooManyWaitersException extends RequestException with HasLogLevel
Used by com.twitter.finagle.pool.WatermarkPool to indicate that a request
failed because too many requests are already waiting for a connection to
become available from a client's connection pool.
Used by com.twitter.finagle.pool.WatermarkPool to indicate that a request failed because too many requests are already waiting for a connection to become available from a client's connection pool.