exceptionfactory commented on code in PR #10693:
URL: https://github.com/apache/nifi/pull/10693#discussion_r2651755703
##########
nifi-extension-bundles/nifi-standard-services/nifi-dbcp-service-bundle/nifi-dbcp-service/src/main/java/org/apache/nifi/dbcp/DBCPConnectionPool.java:
##########
@@ -262,14 +262,21 @@ protected Driver getDriver(final String driverName, final
String url) {
}
try {
- return DriverManager.getDriver(url);
+ final Driver driver = DriverManager.getDriver(url);
+ // Ensure drivers that register themselves during class loading
can be set as the registeredDriver.
+ // This ensures drivers that register themselves can be
deregisterd when the componet is removed.
+ // These drivers should be loaded in the same InstanceClassloader
that load this component
+ if (driver != registeredDriver
+ &&
driver.getClass().getClassLoader().equals(getClass().getClassLoader())) {
Review Comment:
Is there a way that this conditional can be triggered in normal operation?
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