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The Question is:
we have an appication that spawns a DCl command similar to:-
@rtscopy arg1 arg2
this command just copes a file and logs some information in a logfile.
the application uses lib$spawn. the problem is sometimes is works, and
sometimes it fails without ever running the DCL. the error returned from
lib$spawn is 2264 (ss$_mbfull)
we are not using mailboxes. Why do we get this error?
The Answer is :
SPAWN and lib$spawn both use DCL mailboxes, and it would appear that
there are large numbers of logical names and/or symbols present, or
that the client (new) subprocess is very slow reading the mailbox,
or that the OpenVMS system mailbox-related system parameters
(DEFMBXBUFQUO and DEFMBXMXMSG) are set too small.
As a workaround and assuming you are passing no symols and logical
names, use SPAWN/NOSYMBOLS/NOLOGICAL_NAMES.
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