Home » Developer & Programmer » Application Express, ORDS & MOD_PLSQL » Alter UTL_HTTP Timeout
Alter UTL_HTTP Timeout [message #250829] Wed, 11 July 2007 08:23 Go to next message
amardilo
Messages: 37
Registered: February 2007
Member
Hi there.

Is there a way to get PL/SQL code to notice when a UTL_HTTP request times out?

I would like my code to spot the time out then increase the UTL_HTTP request time out period by 5 seconds. Once a request has been received to then revert the timeout back to the default 60 seconds.

Due to a restriction I am not allowed to increase the UTL_HTTP timeout permanently.

The UTL_HTTP package is used in many areas and I only need this (increase and decrease) functionality to run in one area.

Any help or advice would be very useful (even if I am not this is not possible).
Re: Alter UTL_HTTP Timeout [message #251791 is a reply to message #250829] Mon, 16 July 2007 12:13 Go to previous message
andrew again
Messages: 2577
Registered: March 2000
Senior Member
a common approach to this type of issue (similar to locks) would be to put the request in a loop and try 3 times or so before failing for the particular error code you have trying to make it more robust for.

If you do a "descr utl_http" from sqlplus, you can set the timeout as your session level - it's not a global change for other users of utl_http.

SQL> descr utl_http;
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.
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  /**
   * Sets the default time-out value for all future HTTP requests that the
   * UTL_HTTP package should attempt reading the HTTP response from the
   * Web server or proxy server. This time-out value may be used to avoid the
   * PL/SQL programs from being blocked by busy Web servers or heavy network
   * traffic while retrieving Web pages from the Web servers. The default
   * value of the time-out is 60 seconds.
   *
   * PARAMETERS
   *   timeout   The network transfer time-out value (in seconds).
   *
   * EXCEPTIONS
   *   miscellaneous runtime exceptions.
   * NOTES
   *   None.
   */
  PROCEDURE set_transfer_timeout(timeout IN PLS_INTEGER DEFAULT 60);
  PRAGMA restrict_references(set_transfer_timeout, wnds, rnds, trust);

  /**
   * Retrieves the default time-out value for all future HTTP requests.
   *
   * PARAMETERS
   *   timeout   The network transfer time-out value (in seconds).
   *
   * EXCEPTIONS
   *   miscellaneous runtime exceptions.
   * NOTES
   *   None.
   */
  PROCEDURE get_transfer_timeout(timeout OUT PLS_INTEGER);
  PRAGMA restrict_references(get_transfer_timeout, wnds, rnds, trust);
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