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https://issues.apache.org/jira/browse/KAFKA-16093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17805158#comment-17805158
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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.
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