John, Your error message doesn't seem to hint at a problem with what the external procedure was trying to run specifically, but in the 'call' to extproc. If I were you I'd try to put the listener in trace mode, as it looks like that's where the problem occurs.
HTH. >----- Original Message ----- >From: John Dunn <[EMAIL PROTECTED]> >To: Multiple recipients of list ORACLE-L ><[EMAIL PROTECTED]> >Sent: Wed, 03 Apr 2002 04:43:37 > >We have occasional problems with the external >procedure listener... >ORA-28575 unable to open RPC connection to >external procedure agent. > >We are finding it very difficult to track down the >source of these errors. >Is there anyway to trace what the external >procedure was trying to run when >these errors were encountered, as these errors >occur very sporadically. We >use the external procedure listener to run unix >commands via a C routine. > >Oracle is 8.1.7 on AIX. > >T.I.A. >John > >-- >Please see the official ORACLE-L FAQ: >http://www.orafaq.com >-- >Author: John Dunn > INET: [EMAIL PROTECTED] > >Fat City Network Services -- (858) 538-5051 >FAX: (858) 538-5051 >San Diego, California -- Public Internet >access / Mailing Lists >To REMOVE yourself from this mailing list, send an >E-Mail message >to: [EMAIL PROTECTED] (note EXACT spelling of >'ListGuru') and in >the message BODY, include a line containing: UNSUB >ORACLE-L >(or the name of mailing list you want to be removed >from). You may >also send the HELP command for other information >(like subscribing). >--------------------------------------------------- >----------------- Stephane Faroult Oriole Corporation Performance Tools & Free Scripts -------------------------------------------------------------- http://www.oriole.com, designed by Oracle DBAs for Oracle DBAs -------------------------------------------------------------- -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Stephane Faroul INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).