Chris Egerton created KAFKA-16093:
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Summary: 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
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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