Help Center/ MapReduce Service/ User Guide (Ankara Region)/ Troubleshooting/ Using Kafka/ An Error Is Reported When Kafka Is Run to Obtain a Topic

Updated on 2024-11-29 GMT+08:00

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An Error Is Reported When Kafka Is Run to Obtain a Topic

Issue

An Error is reported when Kafka is run to obtain a topic.

Symptom

An error is reported when the Kafka is run to obtain topics. The error information is as follows:

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

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

Parent topic: Using Kafka

Previous topic: Using Kafka

Next topic: Flume Normally Connects to Kafka But Fails to Send Messages

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