ERROR Task threw an uncaught and unrecoverable exception

[joginar10]

Upon running this command, ./bin/connect-standalone etc/schema-registry/connect-avro-standalone.properties etc/kafka-connect-hdfs/quickstart-hdfs.properties

i got an error:

[2018-12-19 01:11:50,998] ERROR WorkerSinkTask{id=hdfs-sink-0} Task threw an uncaught and unrecoverable exception (org.apache.kafka.connect.runtime.WorkerTask:177) java.lang.NullPointerException at io.confluent.connect.hdfs.HdfsSinkTask.open(HdfsSinkTask.java:133) at org.apache.kafka.connect.runtime.WorkerSinkTask.openPartitions(WorkerSinkTask.java:613) at org.apache.kafka.connect.runtime.WorkerSinkTask.access$1100(WorkerSinkTask.java:70) at org.apache.kafka.connect.runtime.WorkerSinkTask$HandleRebalance.onPartitionsAssigned(WorkerSinkTask.java:673) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:291) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:406) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:340) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:341) at org.apache.kafka.clients.consumer.KafkaConsumer.updateAssignmentMetadataIfNeeded(KafkaConsumer.java:1214) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1179) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1164) at org.apache.kafka.connect.runtime.WorkerSinkTask.pollConsumer(WorkerSinkTask.java:445) at org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:318) at org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:226) at org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:194) at org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:175) at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:219) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) [2018-12-19 01:11:51,000] ERROR WorkerSinkTask{id=hdfs-sink-0} Task is being killed and will not recover until manually restarted (org.apache.kafka.connect.runtime.WorkerTask:178)

[OneCricketeer]

Hard to say what the problem could be without some sample data and its schema