ORA Database Error Messages ORA-19321: Could not open HTTP connection to host (string): port (string) November 21, 2016 mpbod ORA-19321: Could not open HTTP connection to host (string): port (string) Cause: A HTTP connection could not be opened to the host Action: Specify a valid host name and port to connect to Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)