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https://issues.apache.org/jira/browse/NIFI-3972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025066#comment-16025066
]
ASF subversion and git services commented on NIFI-3972:
-------------------------------------------------------
Commit eb25c8547a8fec278296ab7b846deac2295f4af4 in nifi's branch
refs/heads/master from [~markap14]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=eb25c85 ]
NIFI-3972: Ensure that we wait until service state becomes enabled before
triggering completable future that says that it's enabled
> Controller Service failing to enabled because the service it depends on is
> not fully enabled on nifi restart
> ------------------------------------------------------------------------------------------------------------
>
> Key: NIFI-3972
> URL: https://issues.apache.org/jira/browse/NIFI-3972
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Critical
> Fix For: 1.3.0
>
>
> I have a JsonRecordSetWriter controller service. It depends on a Schema
> Registry controller service. Both are enabled. Upon restart, the
> JsonRecordSetWriter service fails to enable, indicating that the Schema
> Registry service is not enabled. When I look at the Controller Service
> configuration, though, the Schema Registry service is enabled. So it appears
> that the JsonRecordSetWriter was attempting to be enabled before the Schema
> Registry Service finishes enabling.
> {code}
> 2017-05-24 19:46:56,314 ERROR [main]
> o.a.n.c.s.StandardControllerServiceProvider Failed to enable
> JsonRecordSetWriter[id=0d273e88-9bd7-1dd9-ffff-ffffc1e1a536]
> java.lang.IllegalStateException: Cannot invoke method public abstract
> java.util.Set
> org.apache.nifi.schemaregistry.services.SchemaRegistry.getSuppliedSchemaFields()
> on Controller Service with identifier 0660348b-255e-1f3a-ffff-fffffb399783
> because the Controller Service is disabled
> at
> org.apache.nifi.controller.service.StandardControllerServiceInvocationHandler.invoke(StandardControllerServiceInvocationHandler.java:84)
> at com.sun.proxy.$Proxy85.getSuppliedSchemaFields(Unknown Source)
> at
> org.apache.nifi.schema.access.SchemaNamePropertyStrategy.<init>(SchemaNamePropertyStrategy.java:42)
> at
> org.apache.nifi.schema.access.SchemaAccessUtils.getSchemaAccessStrategy(SchemaAccessUtils.java:147)
> at
> org.apache.nifi.serialization.SchemaRegistryService.getSchemaAccessStrategy(SchemaRegistryService.java:149)
> at
> org.apache.nifi.serialization.SchemaRegistryService.getSuppliedSchemaFields(SchemaRegistryService.java:128)
> at
> org.apache.nifi.serialization.SchemaRegistryRecordSetWriter.customValidate(SchemaRegistryRecordSetWriter.java:160)
> at
> org.apache.nifi.components.AbstractConfigurableComponent.validate(AbstractConfigurableComponent.java:126)
> at
> org.apache.nifi.controller.AbstractConfiguredComponent.validate(AbstractConfiguredComponent.java:326)
> at
> org.apache.nifi.controller.AbstractConfiguredComponent.isValid(AbstractConfiguredComponent.java:441)
> at
> org.apache.nifi.controller.service.StandardControllerServiceNode.verifyCanEnable(StandardControllerServiceNode.java:301)
> at
> org.apache.nifi.controller.service.StandardControllerServiceProvider.enableControllerService(StandardControllerServiceProvider.java:327)
> at
> org.apache.nifi.controller.service.StandardControllerServiceProvider.enableControllerServiceDependenciesFirst(StandardControllerServiceProvider.java:384)
> at
> org.apache.nifi.controller.service.StandardControllerServiceProvider.enableControllerServices(StandardControllerServiceProvider.java:350)
> at
> org.apache.nifi.controller.FlowController.enableControllerServices(FlowController.java:3271)
> at
> org.apache.nifi.controller.service.ControllerServiceLoader.enableControllerServices(ControllerServiceLoader.java:159)
> at
> org.apache.nifi.controller.service.ControllerServiceLoader.enableControllerServices(ControllerServiceLoader.java:152)
> at
> org.apache.nifi.controller.StandardFlowSynchronizer.addProcessGroup(StandardFlowSynchronizer.java:1042)
> at
> org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:312)
> at
> org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1554)
> at
> org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.load(StandardXMLFlowConfigurationDAO.java:84)
> at
> org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:722)
> at
> org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:452)
> at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:800)
> at org.apache.nifi.NiFi.<init>(NiFi.java:160)
> at org.apache.nifi.NiFi.main(NiFi.java:267)
> {code}
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