Kay-Uwe, Please check the nifi-app.log. There should be a stack trace there that provides much more information.
Thanks -Mark > On Mar 8, 2024, at 10:24 AM, u...@moosheimer.com wrote: > > I use NiFi 1.24 as a standalone. > Today I installed Apache Drill and Apache Zookeeper as a daemon. > > Of course, I immediately tested whether everything works again after a > reboot. > And lo and behold: of course not. > > I suddenly get the error message in the nifi-bootstrap.log: > > 2024-03-08 16:10:05,430 INFO [main] org.apache.nifi.bootstrap.Command > Launched Apache NiFi with Process ID 8804 > 2024-03-08 16:10:05,461 INFO [NiFi logging handler] > org.apache.nifi.StdOut Listening for transport dt_socket at address: 8000 > 2024-03-08 16:10:05,785 INFO [NiFi Bootstrap Command Listener] > org.apache.nifi.bootstrap.RunNiFi Apache NiFi now running and listening > for Bootstrap requests on port 41543 > 2024-03-08 16:10:09,567 ERROR [NiFi logging handler] > org.apache.nifi.StdErr Failed to start web server: > javax.servlet.ServletContainerInitializer: > com.sun.jersey.server.impl.container.servlet.JerseyServletContainerInitializer > Unable to get public no-arg constructor > 2024-03-08 16:10:09,567 ERROR [NiFi logging handler] > org.apache.nifi.StdErr Shutting down... > 2024-03-08 16:10:10,432 INFO [main] org.apache.nifi.bootstrap.RunNiFi > NiFi never started. Will not restart NiFi > > Can anyone tell me what this means? > I can't see that any port is used that NiFi needs. > And the statement "Unable to get public no-arg constructor" is > surprising to me, since NiFi was already working before. > > But still, I have broken something. > But what? > > -- Kay-Uwe >
