An Error Is Reported When the Kafka Client Is Run to Obtain Topics

Symptom

The following error is reported when the Kafka client is run to obtain topics:

ERROR org.apache.kafka.common.errors.InvalidReplicationFactorException: Replication factor: 2 larger than available brokers: 0.

Possible Cause

The variable for obtaining the ZooKeeper address is incorrect due to special characters.

Procedure

1. Log in to any Master node.
2. Run the cat Client installation directory/Kafka/kafka/config/server.properties |grep '^zookeeper.connect =' command to check the variable of the ZooKeeper address.
3. Run Kafka again to obtain the topic. Do not add any character to the variables obtained in 2.