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Asked: 2026-05-11T21:39:22+00:00

Trying to create an index (and run some long queries) on DB2 v9.1 and

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Trying to create an index (and run some long queries) on DB2 v9.1 and failing with the following error message:

SQL30081N (A communication error has been detected. Communication protocol being used: “TCP/IP”. Communication API being used: “SOCKETS”. Location where the error was detected: “”. Communication function detecting the
error…”)

I have tried to follow advice given by IBM here regarding setting QUERYTIMEOUTINTERVAL=0– http://www-01.ibm.com/support/docview.wss?rs=71&uid=swg21164785 but it did not take.

any ideas? queries and commands seem to time out at about 15 minutes.

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1 Answer

  1. Editorial Team

    You can rule out any network interference by running the DDL and SQL locally on the server. By using nohup on UNIX or schtasks on Windows, you can start a DB2 job that will run to completion even if the database server loses all network connectivity.

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