 | | | ORA-03113 end of file on communication channel | ORA-03113 end of file on communication channel 2004-03-30 - By Surendra.Tirumala@(protected)
Back
We had the same error once (OS was Solaris and FE was Centura)), it
generated trace files(udump) though. And the culprit was a recursive join.
Ex: We had the select as ...
"select list from a1,a2,a3
where <...conditions..>
and
a1.col1=b1.col1
b1.col1=c1.col1
c1.col1=b1.col1;"
And eliminating "c1.col1=b1.col1" fixed the problem.
Surendra Tirumala
Database Administrator
Cabinet for Education
Commonwealth of Kentucky
Ph: (502) 564-9375x380
Surendra.Tirumala@(protected)
-- --Original Message-- --
From: Craig Healey [mailto:c.healey@(protected)]
Sent: Tuesday, March 30, 2004 9:41 AM
To: oracle-l@(protected)
Subject: ORA-03113 (See http://ORA-03113.ora-code.com) end of file on communication channel
Any help would be appreciated.
Oracle 8.1.7 on Windows 2000 Server.
We have a complex process here, written in VB. It takes about 4 hours to
run. Last week it crashed with ORA-03113 (See http://ORA-03113.ora-code.com) showing on the user's screen, but
no trace or log files. It's crashed twice today, again with no files
generated. This is a major process and I'm under pressure to come up with a
solution. I've googled, and checked Metalink, but the error is so general
that without an error file I don't know where to start, other than blindly
applying "solutions" and hoping one works. I tried tracing the session, but
I ended up with 5Mb of FETCH/EXEC in a cursor loop within seconds. There is
a lot of VB code, cursors and temporary tables used, and it's politically
difficult to re-write. Anyone have any idea where I can start looking for
the problem?
Craig Healey
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