Dag H. Wanvik wrote:

Environment: Derby 10.5.3.0

I'm trying to do a large update, and after about 15 seconds the update
statement fails with the following error:

Error: A communications error has been detected: Read timed out.
SQLState:  08006

Could it be DERBY-2026?

Yep, that's it- I'm using SQuirreL to issue the SQL and I notice it has a logout timeout setting. I've set that to 0 which means disabled, and now the update completes, although it still takes an absolute age:

12,957 Row(s) Updated
Query 10 of 12 elapsed time (seconds) - Total: 327.772, SQL query: 327.772, Building output: 0

Thanks.

--
Alan Burlison
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