We are trying to integrate Kylo with existing Nifi cluster (SSL enabled) and we are receiving this message in the logs. Seems like Nifi is not getting connected with Kylo. All the steps in manual deployment guide were followed during this set up.
2018-04-23 13:27:15 INFO pool-9-thread-1:DefaultServicesApplicationStartup:108 - Running startup listener PreconditionPolicyRuleCache
2018-04-23 13:27:15 INFO pool-9-thread-3:DefaultServicesApplicationStartup:108 - Running startup listener FeedFailureServiceStatusStartupListener
2018-04-23 13:27:15 INFO pool-9-thread-6:DefaultServicesApplicationStartup:108 - Running startup listener StandardizationStartupListener
2018-04-23 13:27:15 INFO pool-9-thread-5:DefaultServicesApplicationStartup:108 - Running startup listener ValidationStartupListener
2018-04-23 13:27:15 INFO pool-9-thread-2:DefaultServicesApplicationStartup:108 - Running startup listener NifiFlowCacheImpl
2018-04-23 13:27:15 INFO pool-9-thread-4:DefaultServicesApplicationStartup:108 - Running startup listener ClusterServiceStartupListener
2018-04-23 13:27:15 INFO pool-9-thread-1:ReflectionPolicyAnnotationDiscoverer:48 - Found 2 classes annotated with interface com.thinkbiganalytics.policy.precondition.PreconditionPolicy
2018-04-23 13:27:15 INFO pool-9-thread-2:NifiFlowCacheImpl:231 - Check and Initialize NiFi Flow Cache. Kylo up to date:true, NiFi Connected:false, Cache needs loading:true
2018-04-23 13:27:15 INFO pool-9-thread-5:ReflectionPolicyAnnotationDiscoverer:48 - Found 13 classes annotated with interface com.thinkbiganalytics.policy.validation.Validator
2018-04-23 13:27:15 INFO pool-9-thread-6:ReflectionPolicyAnnotationDiscoverer:48 - Found 11 classes annotated with interface com.thinkbiganalytics.policy.standardization.Standardizer
2018-04-23 13:27:16 INFO DefaultMessageListenerContainer-1:ProvenanceEventReceiver:182 - About to process batch: 3e968434-1986-4e19-9cd6-aca851f5e3fe, 62 events from the thinkbig.feed-manager queue
2018-04-23 13:27:16 INFO main:KyloServerApplication:57 - Started KyloServerApplication in 88.587 seconds (JVM running for 91.945)
2018-04-23 13:27:16 INFO DefaultMessageListenerContainer-1:ProvenanceEventReceiver:212 - NiFi is not up yet. Sending batch 3e968434-1986-4e19-9cd6-aca851f5e3fe back to JMS for later dequeue
2018-04-23 13:27:16 WARN DefaultMessageListenerContainer-1:DefaultMessageListenerContainer:936 - Execution of JMS message listener failed, and no ErrorHandler has been set.
org.springframework.jms.listener.adapter.ListenerExecutionFailedException: Listener method 'public void com.thinkbiganalytics.metadata.jobrepo.nifi.provenance.ProvenanceEventReceiver.receiveEvents(com.thinkbiganalytics.nifi.provenance.model.ProvenanceEventRecordDTOHolder)' threw exception; nested exception is com.thinkbiganalytics.metadata.jobrepo.nifi.provenance.JmsProcessingException: Unable to process events. NiFi is either not up, or there is an error trying to populate the Kylo NiFi Flow Cache.
at org.springframework.jms.listener.adapter.MessagingMessageListenerAdapter.invokeHandler(MessagingMessageListenerAdapter.java:98)
at org.springframework.jms.listener.adapter.MessagingMessageListenerAdapter.onMessage(MessagingMessageListenerAdapter.java:66)
at org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:721)
at org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:681)
at org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:651)
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:315)
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:253)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1158)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1150)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1047)
at java.lang.Thread.run(Thread.java:745)
Caused by: com.thinkbiganalytics.metadata.jobrepo.nifi.provenance.JmsProcessingException: Unable to process events. NiFi is either not up, or there is an error trying to populate the Kylo NiFi Flow Cache.
at com.thinkbiganalytics.metadata.jobrepo.nifi.provenance.ProvenanceEventReceiver.receiveEvents(ProvenanceEventReceiver.java:213)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:197)
at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:115)
at org.springframework.jms.listener.adapter.MessagingMessageListenerAdapter.invokeHandler(MessagingMessageListenerAdapter.java:90)
... 10 more