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Hang on SQLConnect when attempting to connect to Oracle 12.2 with the Connect for ODBC Oracle Wire Protocol Driver

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TitleHang on SQLConnect when attempting to connect to Oracle 12.2 with the Connect for ODBC Oracle Wire Protocol Driver
URL Namehang-on-sqlconnect-when-attempting-to-connect-to-oracle-12-2-with-the-connect-for-odbc-oracle-wire-protocol-driver
Article Number000125602
EnvironmentProduct: Connect for ODBC Oracle Wire Protocol Driver
Version: 8.0
O/S: Linux
Database: Oracle
Application: N/A
Question/Problem Description
Hang on SQLConnect when attempting to connect to Oracle 12.2 with the Connect for ODBC Oracle Wire Protocol Driver.  Is actually an infinite loop during connection which appears to be a hang.
Steps to Reproduce
Clarifying Information
Snapshots of the stack during the hang behavior reveal that the driver is actually looping through the following functions:

HugeInteger::BarrettReduction(): 
HugeInteger::operator= 
BUTU8FIL () 
HugeInteger::Minus 
HugeInteger::IsGreaterThan
Error Message
Defect Number84157
Enhancement Number
Cause
The driver was internally calculating values to be used during the negotiation of the connection.  Some of the values were being calculated incorrectly.  This created a situation where a conditional value was never reached; hence the infinite loop.
Resolution
Fixed in hotfix 08.02.2083 

Refer to "Connect and Connect64 for ODBC hot fix download and install instructions" for instructions on how to download and install the hot fix.
Workaround
Notes
Last Modified Date2/5/2018 9:01 PM
Files
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