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ORA-01722 on Oracle 11.2.0.3.0 with .NET application

edited Jan 21, 2013 12:42AM in Windows Oracle Data Access Components (MOSC) 15 commentsAnswered
ProblemWe are currently upgrading to a new server environment and have upgraded our Oracle 10g databases to Oracle 11g databases.
Now we are facing the infamous ORA-01722 Invalid number error within some of our applications (including some Oracle forms applications.

Upgrade details
We went from a Windows server 2003 x86 with Oracle 10g to a Windows Server 2012 x64 with Oracle 11g (11.2.0.3.0) machine.

What have we tried?
With our C# application the database is now already running on 11.2.0.3.0 and we've tried the following:
  • Upgrading the clients to 11.2.0.3.0 as well
  • Running the method from the package directly from SQLPLUS, works
  • Running the query form the method directly from SQLPLUS, works

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