Yeva Byzek created KAFKA-5278:
---------------------------------
Summary: kafka-console-consumer: `--value-deserializer` is not
working but `--property value.deserializer` does
Key: KAFKA-5278
URL: https://issues.apache.org/jira/browse/KAFKA-5278
Project: Kafka
Issue Type: Bug
Components: clients
Affects Versions: 0.10.2.1
Reporter: Yeva Byzek
Priority: Minor
kafka-console-consumer: {{--value-deserializer}} is not working but
{{--property value.deserializer}} is working
1. Does not work
{noformat}
$ kafka-console-consumer --bootstrap-server localhost:9092 --from-beginning
--topic TEST1 --value-deserializer
org.apache.kafka.common.serialization.LongDeserializer
[2017-05-18 13:09:41,745] ERROR Error processing message, terminating consumer
process: (kafka.tools.ConsoleConsumer$)
java.lang.ClassCastException: java.lang.Long cannot be cast to [B
at kafka.consumer.NewShinyConsumer.receive(BaseConsumer.scala:100)
at kafka.tools.ConsoleConsumer$.process(ConsoleConsumer.scala:120)
at kafka.tools.ConsoleConsumer$.run(ConsoleConsumer.scala:75)
at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:50)
at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala)
Processed a total of 0 messages
{noformat}
2. Does work
{noformat}
$ kafka-console-consumer --bootstrap-server localhost:9092 --from-beginning
--topic TEST1 --property
value.deserializer=org.apache.kafka.common.serialization.LongDeserializer
1000
2500
2000
5500
8000
{noformat}
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