Oracle.exe Guard locks a file connection has been closed.

Hello

I wrote a windows .net service that monitors a directory for new downloaded files that need to be synchronized with the database. When it detects a new file it moves the file to a different directory from which oracle can reach the file. When the file is moved. I open a connection with the database that is running a select *... on the external table that reads the file. This set works like a charm, and then I have the connection.

Then, I try to move the file again to another directory, because he was treated, but then I got a System.IO.IOException because the file is locked by a process. When I check how it is oracle.exe and stays locked until I cancel my service. When I debug the service I double checked and the status of the connection is closed before I try to move it again. For some reason oracle.exe locks the file until I kill the service that opened the connection.

If I need to give more precise information please ask, any help would be greatly appreciated.

Pieter

Don't you see the same behavior is you select * from sqlplus to instead of the app from the odp, but do not disconnect the sqlplus session?

ODP has worn to default, so even if you close and has the connection, the harsh underlying connection remains open.

I don't know if there is a way to unlock the file without disconnection, which may be the ideal solution, but if not you could probably just turn off connection pooling (pooling = false value in the connection string) to work around.

It will be useful,
Greg

Tags: Database

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