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error in using kafka in flink


Hello

I downloaded kafka and followed these instructions step by step:

cd kafka_2.11-2

# start zookeeper server
./bin/zookeeper-server-start.sh ./config/zookeeper.properties

# start broker
./bin/kafka-server-start.sh ./config/server.properties 

# create topic “test”
 ./bin/kafka-topics.sh --create --topic test --zookeeper localhost:2181 --partitions 1 --replication-f

# consume from the topic using the console producer
./bin/kafka-console-consumer.sh --topic test --zookeeper localhost:2181

# produce something into the topic (write something and hit enter)
./bin/kafka-console-producer.sh --topic test --broker-list localhost:9092

Also, I added "flink-connector-kafka" and "kafka-client" dependencies to "pom.xml". 
But while I run the example of "Monitoring the Wikipedia Edit Stream" I got this error:
"cannot resolve symbol FlinkKafkaProducer08". I searched a lot but I could n't find the solution. 

Would you please help me?

Thank you in advance.