Tirtha Chatterjee created KAFKA-8670:
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Summary: kafka-topics.sh shows IllegalArgumentException when
describing all topics if no topics exist
Key: KAFKA-8670
URL: https://issues.apache.org/jira/browse/KAFKA-8670
Project: Kafka
Issue Type: Bug
Components: admin, tools
Affects Versions: 2.2.1, 2.3.0, 2.2.0
Reporter: Tirtha Chatterjee
Assignee: Tirtha Chatterjee
When trying to describe all the kafka-topics.sh utility, a user would run
kafka-topics.sh --describe without passing a --topic option. If there are no
topics on the cluster, Kafka returns an error with IllegalArgumentException.
{code:java}
./kafka-topics.sh --zookeeper
172.16.7.230:2181,172.16.17.27:2181,172.16.10.89:2181 --describe
Error while executing topic command : Topics in [] does not exist
[2019-07-07 03:33:15,288] ERROR java.lang.IllegalArgumentException: Topics in
[] does not exist
at
kafka.admin.TopicCommand$.kafka$admin$TopicCommand$$ensureTopicExists(TopicCommand.scala:416)
at
kafka.admin.TopicCommand$ZookeeperTopicService.describeTopic(TopicCommand.scala:332)
at kafka.admin.TopicCommand$.main(TopicCommand.scala:66)
at kafka.admin.TopicCommand.main(TopicCommand.scala)
(kafka.admin.TopicCommand$)
{code}
If no --topic option is passed to the command, it should not fail, rather have
empty output.
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