I believe this is caused by dependency conflicts/mismatch. I also
commented this on the Jira issue.
Best,
Aljoscha
On 16.12.20 07:39, han guoguo wrote:
Hi,
Kafka source may has some issues on application mode
when i run it with application mode on flink 1.11.2 it can't startup
the detail Excetion is:
org.apache.kafka.common.KafkaException: Failed to construct kafka consumer
at
org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:789)
at
org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:643)
at
org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:623)
at
org.apache.flink.streaming.connectors.kafka.internal.KafkaPartitionDiscoverer.initializeConnections(KafkaPartitionDiscoverer.java:58)
at
org.apache.flink.streaming.connectors.kafka.internals.AbstractPartitionDiscoverer.open(AbstractPartitionDiscoverer.java:94)
at
org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.open(FlinkKafkaConsumerBase.java:550)
at
org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:36)
at
org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:102)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:291)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$beforeInvoke$0(StreamTask.java:479)
at
org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:92)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:475)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:528)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:721)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:546)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.kafka.common.KafkaException:
org.apache.kafka.common.serialization.ByteArrayDeserializer is not an instance
of org.apache.kafka.common.serialization.Deserializer
at
org.apache.kafka.common.config.AbstractConfig.getConfiguredInstance(AbstractConfig.java:263)
at
org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:688)
... 15 more
I has create open it on
https://issues.apache.org/jira/browse/FLINK-20617
