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Intermittent ORA-01017 errors 

Oracle Tips by Burleson Consulting

November 17, 2011


Question:  I have sporadic ORA-101017 errors that are occurring intermittently. We are running PeopleSoft and every so oftenwe see a burst of ORA-01017 errors in one of our application server log files. The only explanation I can think of is that there is some sort of connection limitation to the database which causes these errors to spawn when the maximum number of connections is reached.

My question is whether or not the ORA-01017 error could be a bug?
 
Answer:  First, see my general notes here on the ORA-01097 error.

Also see MOSC Note:360556.1 "How To Correct Intermittent Connections to Wrong Service" - intermittent ORA-01017 errors . . .

The core issue with an ORA-01017 error is an invalid user ID and passwords combination, but other than an incorrect password, there are user ID issues that may contribute to the ORA-01017 error:

When you get an intermittent ORA-01017 error, logic tells us that it must be:

- A shared resource issue preventing new connections

- A application or Oracle bug

- A TNS "connection" issue.  Try changing names.directory_path=(TNSNAMES)

- A communications issue

Start at MOSC and look for known ORA-01017 errors:

 
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