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Posted to issues@nifi.apache.org by "Greg Biddy (Jira)" <ji...@apache.org> on 2022/06/17 13:28:00 UTC
[jira] [Updated] (NIFI-10132) New NiFi Installation Fails to Start
[ https://issues.apache.org/jira/browse/NIFI-10132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Greg Biddy updated NIFI-10132:
------------------------------
Attachment: test_template_1.15.3.xml
> New NiFi Installation Fails to Start
> ------------------------------------
>
> Key: NIFI-10132
> URL: https://issues.apache.org/jira/browse/NIFI-10132
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.16.2, 1.16.3
> Environment: RHEL OS
> Reporter: Greg Biddy
> Priority: Blocker
> Attachments: test_template_1.15.3.xml
>
>
> I am attempting to deploy a NiFi cluster running NiFi 1.16.3. In all cases, the application fails to start. I have observed two errors in the nifi application log during the start-up process.
> One occurs if no flow.xml.gz is present in the conf directory when the nifi service is started:
> {code:java}
> 2022-06-16 20:30:51,774 INFO [main] org.apache.nifi.io.socket.SocketListener Now listening for connections from nodes on port 11443
> 2022-06-16 20:30:51,820 INFO [main] o.a.n.c.s.VersionedFlowSynchronizer Synchronizing FlowController with proposed flow: Controller Already Synchronized = false
> 2022-06-16 20:30:51,906 WARN [main] org.apache.nifi.web.server.JettyServer Failed to start web server... shutting down.
> java.lang.NullPointerException: null
> at org.apache.nifi.registry.flow.diff.StandardFlowDifference.hashCode(StandardFlowDifference.java:92)
> at java.util.HashMap.hash(HashMap.java:339)
> at java.util.HashMap.put(HashMap.java:612)
> at java.util.HashSet.add(HashSet.java:220)
> at org.apache.nifi.registry.flow.diff.StandardFlowComparator.addIfDifferent(StandardFlowComparator.java:567)
> at org.apache.nifi.registry.flow.diff.StandardFlowComparator.compare(StandardFlowComparator.java:456)
> at org.apache.nifi.registry.flow.diff.StandardFlowComparator.compare(StandardFlowComparator.java:94)
> at org.apache.nifi.registry.flow.diff.StandardFlowComparator.compare(StandardFlowComparator.java:79)
> at org.apache.nifi.controller.serialization.VersionedFlowSynchronizer.compareFlows(VersionedFlowSynchronizer.java:387)
> at org.apache.nifi.controller.serialization.VersionedFlowSynchronizer.sync(VersionedFlowSynchronizer.java:167)
> at org.apache.nifi.controller.serialization.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:43)
> at org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1524)
> at org.apache.nifi.persistence.StandardFlowConfigurationDAO.load(StandardFlowConfigurationDAO.java:107)
> at org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:819)
> at org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:461)
> at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1086)
> at org.apache.nifi.NiFi.<init>(NiFi.java:170)
> at org.apache.nifi.NiFi.<init>(NiFi.java:82)
> at org.apache.nifi.NiFi.main(NiFi.java:330) {code}
>
> The second error occurs if there is a flow.xml.gz present when the nifi service is started, where the flow is copied over from a cluster running 1.15.3:
> {code:java}
> 2022-06-16 20:29:31,101 INFO [main] org.apache.nifi.web.server.JettyServer Loading Flow...
> 2022-06-16 20:29:31,106 INFO [main] org.apache.nifi.io.socket.SocketListener Now listening for connections from nodes on port 11443
> 2022-06-16 20:29:31,130 WARN [main] org.apache.nifi.web.server.JettyServer Failed to start web server... shutting down.
> java.lang.NullPointerException: null
> at org.apache.nifi.util.DomUtils.getChildElementsByTagName(DomUtils.java:53)
> at org.apache.nifi.controller.serialization.FlowFromDOMFactory.getChildrenByTagName(FlowFromDOMFactory.java:635)
> at org.apache.nifi.controller.serialization.FlowFromDOMFactory.getString(FlowFromDOMFactory.java:582)
> at org.apache.nifi.controller.serialization.FlowFromDOMFactory.getProcessGroup(FlowFromDOMFactory.java:187)
> at org.apache.nifi.controller.XmlFlowSynchronizer.isFlowEmpty(XmlFlowSynchronizer.java:660)
> at org.apache.nifi.controller.XmlFlowSynchronizer.sync(XmlFlowSynchronizer.java:179)
> at org.apache.nifi.controller.serialization.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:43)
> at org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1524)
> at org.apache.nifi.persistence.StandardFlowConfigurationDAO.load(StandardFlowConfigurationDAO.java:107)
> at org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:819)
> at org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:461)
> at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1086)
> at org.apache.nifi.NiFi.<init>(NiFi.java:170)
> at org.apache.nifi.NiFi.<init>(NiFi.java:82)
> at org.apache.nifi.NiFi.main(NiFi.java:330)
> 2022-06-16 20:29:31,131 INFO [Thread-1] org.apache.nifi.NiFi Application Server shutdown started {code}
> Any guidance would be much appreciated.
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