Yes the controller service was working before aks version upgrade ... View more

Hi Matt, I scaled down the stateful set from 3 to 1 and with primary node, the error disappears about the DBCBpool connection error. I am able to login using UI. But when I scale it up to 2 or 3. The error returns.  It seems there is some replication and communication issue with primary node 0 with node 1 and node 2. ... View more

Hi Matt,  I checked the nifi-app.log and it is giving this error  2024-03-28 12:52:55,028 ERROR [Timer-Driven Process Thread-3] o.a.n.c.s.StandardControllerServiceNode StandardControllerServiceNode[service=DBCPCo nnectionPool[id=8c23244e-6b42-38c5-aaf2-effc40ab1d4b], versionedComponentId=null, processGroup=StandardProcessGroup[identifier=43891bd4-018b-1000- 0000-00006f0c9f3e], active=true] Failed to invoke @OnEnabled method due to org.apache.nifi.reporting.InitializationException: Can't load Database Driver: {} org.apache.nifi.reporting.InitializationException: Can't load Database Driver at org.apache.nifi.dbcp.DBCPConnectionPool.getDriverClassLoader(DBCPConnectionPool.java:397) at org.apache.nifi.dbcp.DBCPConnectionPool.onConfigured(DBCPConnectionPool.java:336) at sun.reflect.GeneratedMethodAccessor113.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:142) at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:130) at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:75) at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotation(ReflectionUtils.java:52) at org.apache.nifi.controller.service.StandardControllerServiceNode$2.run(StandardControllerServiceNode.java:432) at org.apache.nifi.engine.FlowEngine$2.run(FlowEngine.java:110) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:419) at java.lang.ClassLoader.loadClass(ClassLoader.java:352) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) ... View more

@mburgess @bbahamondes, I have checked Nifi properties file to check the location of the driver file but was not able to locate it. I was wondering if the Jar file can be located ... View more

Thank you Diana  ... View more