Hello Team,   We have configured the standalone splunk kafka connect server with event hub kafka topic . But we are not able to fetch the logs from kafka topic to Splunk. Below are the our configuration details.   standalone.properties ================================================================================== bootstrap.servers=<hostname>:9093 plugin.path=/opt/app/kafka/plugins,/opt/app/kafka/kafka_2.13-3.4.0/jre1.8.0_211 # unique name for the cluster, used in forming the Connect cluster group. Note that this must not conflict with consumer group IDs group.id=<group>   value.converter=org.apache.kafka.connect.json.JsonConverter key.converter=org.apache.kafka.connect.json.JsonConverter key.converter.schemas.enable=false value.converter.schemas.enable=false internal.key.converter=org.apache.kafka.connect.json.JsonConverter internal.value.converter=org.apache.kafka.connect.json.JsonConverter internal.key.converter.schemas.enable=false internal.value.converter.schemas.enable=false offset.flush.interval.ms=60000 consumer.security.protocol=SASL_SSL consumer.sasl.mechanism=OAUTHBEARER security.protocol=SASL_SSL sasl.mechanism=OAUTHBEARER consumer.key.deserializer=org.apache.kafka.common.serialization.StringDeserializer //Kafka Serializer class for Kafka record values, we have set our message body to be String consumer.value.deserializer=org.apache.kafka.common.serialization.StringDeserializer consumer.sasl.jaas.config=org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required clientId="<token>" clientSecret="<token>" scope="https://<bootstrap_server>/.default"; consumer.sasl.oauthbearer.token.endpoint.url=https://login.microsoftonline.com/<values>/oauth2/v2.0/token consumer.sasl.login.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerLoginCallbackHandler offset.storage.file.filename=/opt/app/kafka/run/offset_connectorservice_1 #consumer.auto.offset.reset=latest auto.offset.reset=latest consumer.group.id=<topic_group> sasl.login.callback.handler.class=org.apache.kafka.common.security.oauthbearer.secured.OAuthBearerLoginCallbackHandler sasl.oauthbearer.token.endpoint.url=https://login.microsoftonline.com/<values>/oauth2/v2.0/token sasl.jaas.config=org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule required clientId="<token>" clientSecret="<token>" scope="https://<bootstrap_server>/.default"; access.control.allow.origin=* access.control.allow.methods=GET,OPTIONS,HEAD,POST,PUT,DELETE ================================================================================= Logs from standalone kafka ================================================================================ 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. Jul 27, 2023 4:37:51 AM 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. Jul 27, 2023 4:37:51 AM 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. Jul 27, 2023 4:37:51 AM 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. [2023-07-27 04:37:51,213] INFO Started o.e.j.s.ServletContextHandler@252dc8c4{/,null,AVAILABLE} (org.eclipse.jetty.server.handler.ContextHandler:921) [2023-07-27 04:37:51,213] DEBUG STARTED @14030ms o.e.j.s.ServletContextHandler@252dc8c4{/,null,AVAILABLE} (org.eclipse.jetty.util.component.AbstractLifeCycle:191) [2023-07-27 04:37:51,213] INFO REST resources initialized; server is started and ready to handle requests (org.apache.kafka.connect.runtime.rest.RestServer:309) [2023-07-27 04:37:51,213] INFO Kafka Connect started (org.apache.kafka.connect.runtime.Connect:56) =================================================================================   splunksinkconnector.sh ================================================================================= #!/bin/bash curl localhost:8083/connectors -X POST -H "Content-Type: application/json" -d '{ "name": "splunk-asla-dev", "config": { "connector.class": "com.splunk.kafka.connect.SplunkSinkConnector", "tasks.max": "1", "topics": "<topic>", "splunk.hec.uri": "https://<splunk_indexer>:8088", "splunk.hec.token": "<token>", "splunk.hec.ack.enabled": "true", "splunk.hec.raw": "true", "splunk.hec.track.data": "true", "splunk.hec.ssl.validate.certs": "false", "splunk.indexes": "index", "splunk.sourcetypes": "sourcetype", "splunk.hec.raw.line.breaker": "\n" } }' ===================================================================================   Below are the error messages, after running the sink connector,   ================================================================================ [2023-07-27 04:40:50,906] TRACE [sink_connector|task-0] [Consumer clientId=connector-consumer-sink_connector-0, groupId=stage-group] sslCiphers: closed 1 metric(s). (org.apache.kafka.common.network.Selector:269) [2023-07-27 04:40:50,906] TRACE [sink_connector|task-0] [Consumer clientId=connector-consumer-sink_connector-0, groupId=stage-group] clients: entering performPendingMetricsOperations (org.apache.kafka.common.network.Selector:213) [2023-07-27 04:40:50,906] TRACE [sink_connector|task-0] [Consumer clientId=connector-consumer-sink_connector-0, groupId=stage-group] clients: leaving performPendingMetricsOperations (org.apache.kafka.common.network.Selector:229) [2023-07-27 04:40:50,906] TRACE [sink_connector|task-0] [Consumer clientId=connector-consumer-sink_connector-0, groupId=stage-group] clients: closed 0 metric(s). (org.apache.kafka.common.network.Selector:269) [2023-07-27 04:40:50,906] INFO [sink_connector|task-0] [Principal=:74fafaf6-a0c9-4b8b-bd8f-397ccb3c1212]: Expiring credential re-login thread has been interrupted and will exit. (org.apache.kafka.common.security.oauthbearer.internals.expiring.ExpiringCredentialRefreshingLogin:95) [2023-07-27 04:40:50,907] TRACE [sink_connector|task-0] LoginManager(serviceName=kafka, publicCredentials=[SaslExtensions[extensionsMap={}]], refCount=0) released (org.apache.kafka.common.security.authenticator.LoginManager:157) [2023-07-27 04:40:50,907] TRACE [sink_connector|task-0] Removed metric named MetricName [name=version, group=app-info, description=Metric indicating version, tags={client-id=connector-consumer-sink_connector-0}] (org.apache.kafka.common.metrics.Metrics:568) [2023-07-27 04:40:50,907] TRACE [sink_connector|task-0] Removed metric named MetricName [name=commit-id, group=app-info, description=Metric indicating commit-id, tags={client-id=connector-consumer-sink_connector-0}] (org.apache.kafka.common.metrics.Metrics:568) [2023-07-27 04:40:50,907] TRACE [sink_connector|task-0] Removed metric named MetricName [name=start-time-ms, group=app-info, description=Metric indicating start-time-ms, tags={client-id=connector-consumer-sink_connector-0}] (org.apache.kafka.common.metrics.Metrics:568) [2023-07-27 04:40:50,907] INFO [sink_connector|task-0] App info kafka.consumer for connector-consumer-sink_connector-0 unregistered (org.apache.kafka.common.utils.AppInfoParser:83) [2023-07-27 04:40:50,907] DEBUG [sink_connector|task-0] [Consumer clientId=connector-consumer-sink_connector-0, groupId=stage-group] Kafka consumer has been closed (org.apache.kafka.clients.consumer.KafkaConsumer:2425)   ===============================================================================   Please let us know what we are missing in this configuration .   ... 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