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Chris Egerton commented on KAFKA-16093: --------------------------------------- Note that the "affects version(s)" field is not completely filled out, as this issue goes back several years. > Spurious warnings logged to stderr about empty path annotations and providers > not implementing provider interfaces > ------------------------------------------------------------------------------------------------------------------ > > Key: KAFKA-16093 > URL: https://issues.apache.org/jira/browse/KAFKA-16093 > Project: Kafka > Issue Type: Improvement > Components: connect > Affects Versions: 3.7.0, 3.8.0 > Reporter: Chris Egerton > Assignee: Chris Egerton > Priority: Minor > Fix For: 3.8.0 > > > Some warnings get logged to stderr on Connect startup. For example: > {quote}Jan 08, 2024 1:48:18 PM org.glassfish.jersey.internal.inject.Providers > checkProviderRuntime > WARNING: A provider > org.apache.kafka.connect.runtime.rest.resources.RootResource registered in > SERVER runtime does not implement any provider interfaces applicable in the > SERVER runtime. Due to constraint configuration problems the provider > org.apache.kafka.connect.runtime.rest.resources.RootResource will be ignored. > Jan 08, 2024 1:48:18 PM org.glassfish.jersey.internal.inject.Providers > checkProviderRuntime > WARNING: A provider > org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource registered > in SERVER runtime does not implement any provider interfaces applicable in > the SERVER runtime. Due to constraint configuration problems the provider > org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource will be > ignored. > Jan 08, 2024 1:48:18 PM org.glassfish.jersey.internal.inject.Providers > checkProviderRuntime > WARNING: A provider > org.apache.kafka.connect.runtime.rest.resources.InternalConnectResource > registered in SERVER runtime does not implement any provider interfaces > applicable in the SERVER runtime. Due to constraint configuration problems > the provider > org.apache.kafka.connect.runtime.rest.resources.InternalConnectResource will > be ignored. > Jan 08, 2024 1:48:18 PM org.glassfish.jersey.internal.inject.Providers > checkProviderRuntime > WARNING: A provider > org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource > registered in SERVER runtime does not implement any provider interfaces > applicable in the SERVER runtime. Due to constraint configuration problems > the provider > org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource will > be ignored. > Jan 08, 2024 1:48:18 PM org.glassfish.jersey.internal.inject.Providers > checkProviderRuntime > WARNING: A provider > org.apache.kafka.connect.runtime.rest.resources.LoggingResource registered in > SERVER runtime does not implement any provider interfaces applicable in the > SERVER runtime. Due to constraint configuration problems the provider > org.apache.kafka.connect.runtime.rest.resources.LoggingResource will be > ignored. > Jan 08, 2024 1:48:19 PM org.glassfish.jersey.internal.Errors logErrors > WARNING: The following warnings have been detected: WARNING: The > (sub)resource method listLoggers in > org.apache.kafka.connect.runtime.rest.resources.LoggingResource contains > empty path annotation. > WARNING: The (sub)resource method listConnectors in > org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource contains > empty path annotation. > WARNING: The (sub)resource method createConnector in > org.apache.kafka.connect.runtime.rest.resources.ConnectorsResource contains > empty path annotation. > WARNING: The (sub)resource method listConnectorPlugins in > org.apache.kafka.connect.runtime.rest.resources.ConnectorPluginsResource > contains empty path annotation. > WARNING: The (sub)resource method serverInfo in > org.apache.kafka.connect.runtime.rest.resources.RootResource contains empty > path annotation. > {quote} > These are benign, but can confuse and even frighten new users. -- This message was sent by Atlassian Jira (v8.20.10#820010)