Oracle data provider pegs IIS worker process when web site is stopped

Question

We\'re experiencing a nasty issue in Oracle 11g Release 2 where the w3wp process takes over and entire processor core, and debugging shows that the Oracle data provider is throw

Answer 1

This has been resolved. The fix is released in Oracle 11.2.0.1.2, which is available through the oracle.com website.

Unfortunately the fix is currently only available through a "My Oracle Support" account.

This has been fixed in 11.2.0.2 and in Patch 9966926 ORACLE 11G 11.2.0.1 PATCH 5 BUG FOR WINDOWS (64-BIT AMD64 AND INTEL EM64T).

Or WORKAROUND: is to disable self tuning by adding "Self Tuning=false" to the connection string.