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Key: DNET-825
Type: Bug Bug
Status: Closed Closed
Resolution: Cannot Reproduce
Priority: Major Major
Assignee: Jiri Cincura
Reporter: Danie Brink
Votes: 0
Watchers: 0
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.NET Data provider

connection shutdown error if connection remains open for more than 110 seconds on embedded server

Created: 07/Jun/18 01:01 PM   Updated: 22/Jan/19 10:09 AM
Component/s: ADO.NET Provider
Affects Version/s: 5.12.1.0
Fix Version/s: None

Environment: Windows 10, .Net 4.5.2


 Description  « Hide
When using FB 3.0.3.329 as an embedded server it crashes after a connection has been in use for 110 seconds in 50-60% of instances. Seems to be similar to an issue reported when using 2.5 & 3.0 simultaneously and running backups but occurs when just using 3.0 and a prepared command .

To reproduce the error:
Create a database with 1 table & 2 fields.
Create a connection to the database & then a FbCommand with 1 lookup parameter to select a record from the table & call .Prepare() on the FbCommand.
In a loop provide a value for the parameter & call the prepared FbCommand.

In 50-60% of runs firebird crashes after 110 - 115 seconds. Connection Pooling & lifetime settings appear to have no effect & once the error occurs the only way to establish a new connection to any database is to stop & restart the process. This does not happen with Firebird 2.5.8 or any other 2.5.x version we've used.


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