You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@nifi.apache.org by "ASF subversion and git services (Jira)" <ji...@apache.org> on 2021/07/08 21:27:00 UTC
[jira] [Commented] (NIFI-8771) NiFI fails to start if clustered and
flow consists only of 1+ Controller Services
[ https://issues.apache.org/jira/browse/NIFI-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17377595#comment-17377595 ]
ASF subversion and git services commented on NIFI-8771:
-------------------------------------------------------
Commit 202599931076e11acc2569ccec93db3845a30dae in nifi's branch refs/heads/main from Mark Payne
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=2025999 ]
NIFI-8771: This closes #5205. Ensure that we consider root process group level Controller Services when determining whether or not the dataflow is empty
Signed-off-by: Joe Witt <jo...@apache.org>
> NiFI fails to start if clustered and flow consists only of 1+ Controller Services
> ---------------------------------------------------------------------------------
>
> Key: NIFI-8771
> URL: https://issues.apache.org/jira/browse/NIFI-8771
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Critical
> Fix For: 1.14.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Kind of a corner case, but if you try to start up a NiFi cluster and the dataflow consists of only 1 or more controller services in the root process group and no other components, NiFi will fail to start.
> This can fail in two possible ways:
> * If the flow was saved using the same version of NiFi as is being started, we will see the following error:
> {code}
> 2021-07-08 16:09:27,065 ERROR [main] o.a.nifi.controller.StandardFlowService Failed to load flow from cluster due to: org.apache.nifi.controller.serialization.FlowSynchronizationException: Failed to connect node to cluster because local flow controller partially updated. Administrator should disconnect node and review flow for corruption.
> org.apache.nifi.controller.serialization.FlowSynchronizationException: Failed to connect node to cluster because local flow controller partially updated. Administrator should disconnect node and review flow for corruption.
> at org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:1052)
> at org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:521)
> at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1206)
> at org.apache.nifi.NiFi.<init>(NiFi.java:159)
> at org.apache.nifi.NiFi.<init>(NiFi.java:71)
> at org.apache.nifi.NiFi.main(NiFi.java:303)
> Caused by: org.apache.nifi.controller.serialization.FlowSynchronizationException: java.lang.IllegalStateException: The specified observer identifier (bulletin-observer) already exists.
> at org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:306)
> at org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1468)
> at org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.load(StandardXMLFlowConfigurationDAO.java:89)
> at org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:810)
> at org.apache.nifi.controller.StandardFlowService.loadFromConnectionResponse(StandardFlowService.java:1021)
> ... 5 common frames omitted
> Caused by: java.lang.IllegalStateException: The specified observer identifier (bulletin-observer) already exists.
> at org.apache.nifi.logging.repository.StandardLogRepository.addObserver(StandardLogRepository.java:135)
> at org.apache.nifi.controller.flow.StandardFlowManager.createControllerService(StandardFlowManager.java:494)
> at org.apache.nifi.controller.service.ControllerServiceLoader.createControllerService(ControllerServiceLoader.java:206)
> at org.apache.nifi.controller.service.ControllerServiceLoader.loadControllerServices(ControllerServiceLoader.java:111)
> at org.apache.nifi.controller.StandardFlowSynchronizer.addControllerServices(StandardFlowSynchronizer.java:1374)
> at org.apache.nifi.controller.StandardFlowSynchronizer.addProcessGroup(StandardFlowSynchronizer.java:1317)
> at org.apache.nifi.controller.StandardFlowSynchronizer.updateFlow(StandardFlowSynchronizer.java:432)
> at org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:283)
> ... 9 common frames omitted
> {code}
> * If the version is different, we will see this error:
> {code}
> 2021-07-08 15:49:52,994 ERROR [main] org.apache.nifi.web.server.JettyServer Unable to load flow due to: org.apache.nifi.controller.UninheritableFlowException: Proposed flow could not be inherited because it references one or more Bundles that are not available in this NiFi instance: Could not find Bundle org.apache.nifi:nifi-ssl-context-service-nar:1.11.4.2.0.4.0-80: org.apache.nifi.ssl.StandardRestrictedSSLContextService from org.apache.nifi:nifi-ssl-context-service-nar:1.11.4.2.0.4.0-80 is not known to this NiFi instance.
> org.apache.nifi.controller.UninheritableFlowException: Proposed flow could not be inherited because it references one or more Bundles that are not available in this NiFi instance: Could not find Bundle org.apache.nifi:nifi-ssl-context-service-nar:1.11.4.2.0.4.0-80: org.apache.nifi.ssl.StandardRestrictedSSLContextService from org.apache.nifi:nifi-ssl-context-service-nar:1.11.4.2.0.4.0-80 is not known to this NiFi instance.
> at org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:199)
> at org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1457)
> at org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.load(StandardXMLFlowConfigurationDAO.java:89)
> at org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:810)
> at org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:458)
> at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1155)
> at org.apache.nifi.NiFi.<init>(NiFi.java:159)
> at org.apache.nifi.NiFi.<init>(NiFi.java:71)
> at org.apache.nifi.NiFi.main(NiFi.java:303)
> {code}
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)