Mark Payne created NIFI-10937:
---------------------------------
Summary: If Registry Client exists in flow, NiFi will fail to
startup from flow.xml.gz
Key: NIFI-10937
URL: https://issues.apache.org/jira/browse/NIFI-10937
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Reporter: Mark Payne
Assignee: Mark Payne
If there exists a flow and a Registry Client has been added, upon restart
everything loads properly from the flow.json.gz. But if for any reason we
attempt to load from flow.xml.gz (because flow.json.gz was removed), NiFi will
fail to startup with a NullPointerException:
{code:java}
2022-12-02 16:15:35,462 WARN [main] org.apache.nifi.web.server.JettyServer
Failed to start web server... shutting down.
java.lang.NullPointerException: null
at java.util.Comparator.lambda$comparing$77a9974f$1(Comparator.java:469)
at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355)
at java.util.TimSort.sort(TimSort.java:220)
at java.util.Arrays.sort(Arrays.java:1512)
at java.util.ArrayList.sort(ArrayList.java:1464)
at
org.apache.nifi.fingerprint.FingerprintFactory.addFlowControllerFingerprint(FingerprintFactory.java:200)
at
org.apache.nifi.fingerprint.FingerprintFactory.createFingerprint(FingerprintFactory.java:155)
at
org.apache.nifi.fingerprint.FingerprintFactory.createFingerprint(FingerprintFactory.java:129)
at
org.apache.nifi.controller.inheritance.FlowFingerprintCheck.checkInheritability(FlowFingerprintCheck.java:45)
at
org.apache.nifi.controller.XmlFlowSynchronizer.sync(XmlFlowSynchronizer.java:205)
at
org.apache.nifi.controller.serialization.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:42)
at
org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1525)
at
org.apache.nifi.persistence.StandardFlowConfigurationDAO.load(StandardFlowConfigurationDAO.java:104)
at
org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:817)
at
org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:538)
at
org.apache.nifi.web.contextlistener.ApplicationStartupContextListener.contextInitialized(ApplicationStartupContextListener.java:67)
at
org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:1073)
at
org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:572)
at
org.eclipse.jetty.server.handler.ContextHandler.contextInitialized(ContextHandler.java:1002)
at
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:765)
at
org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:379)
at
org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1449)
at
org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1414)
at
org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:916)
at
org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:288)
at
org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:524)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at
org.eclipse.jetty.server.handler.gzip.GzipHandler.doStart(GzipHandler.java:426)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
at org.eclipse.jetty.server.Server.start(Server.java:423)
at
org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
at
org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
at org.eclipse.jetty.server.Server.doStart(Server.java:387)
at
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:73)
at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:814)
at org.apache.nifi.NiFi.<init>(NiFi.java:172)
at org.apache.nifi.NiFi.<init>(NiFi.java:83)
at org.apache.nifi.NiFi.main(NiFi.java:332) {code}
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