maropu commented on a change in pull request #28368:
URL: https://github.com/apache/spark/pull/28368#discussion_r421164055
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/connection/DB2ConnectionProvider.scala
##########
@@ -48,7 +48,7 @@ private[sql] class DB2ConnectionProvider(driver: Driver,
options: JDBCOptions)
result
}
- override def setAuthenticationConfigIfNeeded(): Unit = {
+ override def setAuthenticationConfigIfNeeded(): Unit =
SecurityConfigurationLock.synchronized {
Review comment:
Thanks for the detailed info, @gaborgsomogyi . btw, is there any
reference (documents, specification, ...) to the behaviour you described above?
```
Worth to mention all the originally existing configuration is still
reachable because if the searched application name is not matching with the
newly added entry then the entry delegates the call to the parent.
```
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