reference: http://kafka.apache.org/quickstart

need to solve issue

ISSUE 1:

[2019-01-29 15:59:39,272] ERROR Failed to commit offsets for WorkerSourceTask{id=local-file-source-0} (org.apache.kafka.connect.runtime.SourceTaskOffsetCommitter:109)

[2019-01-29 15:59:54,272] ERROR Failed to flush WorkerSourceTask{id=local-file-source-0}, timed out while waiting for producer to flush outstanding 1 messages (org.apache.kafka.connect.runtime.WorkerSourceTask:289)

[2019-01-29 15:59:54,273] ERROR Failed to commit offsets for WorkerSourceTask{id=local-file-source-0} (org.apache.kafka.connect.runtime.SourceTaskOffsetCommitter:109)

[2019-01-29 16:00:09,273] ERROR Failed to flush WorkerSourceTask{id=local-file-source-0}, timed out while waiting for producer to flush outstanding 1 messages (org.apache.kafka.connect.runtime.WorkerSourceTask:289)

[2019-01-29 16:00:09,273] ERROR Failed to commit offsets for WorkerSourceTask{id=local-file-source-0} (org.apache.kafka.connect.runtime.SourceTaskOffsetCommitter:109)?

ISSUE 2:

org.apache.kafka.connect.errors.ConnectException: Failed to create consumer
at org.apache.kafka.connect.runtime.WorkerSinkTask.createConsumer(WorkerSinkTask.java:348)
at org.apache.kafka.connect.runtime.WorkerSinkTask.initialize(WorkerSinkTask.java:108)
at org.apache.kafka.connect.runtime.Worker.startTask(Worker.java:278)
at org.apache.kafka.connect.runtime.standalone.StandaloneHerder.createConnectorTasks(StandaloneHerder.java:263)
at org.apache.kafka.connect.runtime.standalone.StandaloneHerder.updateConnectorTasks(StandaloneHerder.java:287)
at org.apache.kafka.connect.runtime.standalone.StandaloneHerder.putConnectorConfig(StandaloneHerder.java:163)
at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:96)
Caused by: org.apache.kafka.common.KafkaException: Failed to construct kafka consumer
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:703)
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:553)
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:536)
at org.apache.kafka.connect.runtime.WorkerSinkTask.createConsumer(WorkerSinkTask.java:346)
... 6 more
Caused by: org.apache.kafka.common.KafkaException: org.apache.kafka.common.KafkaException: Jaas configuration not found
at org.apache.kafka.common.network.SaslChannelBuilder.configure(SaslChannelBuilder.java:86)
at org.apache.kafka.common.network.ChannelBuilders.create(ChannelBuilders.java:70)
at org.apache.kafka.clients.ClientUtils.createChannelBuilder(ClientUtils.java:85)
at org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:644)
... 9 more
Caused by: org.apache.kafka.common.KafkaException: Jaas configuration not found
at org.apache.kafka.common.security.kerberos.KerberosLogin.getServiceName(KerberosLogin.java:299)
at org.apache.kafka.common.security.kerberos.KerberosLogin.configure(KerberosLogin.java:103)
at org.apache.kafka.common.security.authenticator.LoginManager.<init>(LoginManager.java:45)
at org.apache.kafka.common.security.authenticator.LoginManager.acquireLoginManager(LoginManager.java:68)
at org.apache.kafka.common.network.SaslChannelBuilder.configure(SaslChannelBuilder.java:78)
... 12 more
Caused by: java.io.IOException: Could not find a 'KafkaClient' entry in this configuration.
at org.apache.kafka.common.security.JaasUtils.jaasConfig(JaasUtils.java:50)
at org.apache.kafka.common.security.kerberos.KerberosLogin.getServiceName(KerberosLogin.java:297)
... 16 more
[2019-01-29 16:10:22,287] INFO Created connector local-file-sink (org.apache.kafka.connect.cli.ConnectStandalone:93)

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