Neha Narkhede created KAFKA-495:
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             Summary: Handle topic names with "/" on Kafka server
                 Key: KAFKA-495
                 URL: https://issues.apache.org/jira/browse/KAFKA-495
             Project: Kafka
          Issue Type: Bug
            Reporter: Neha Narkhede


If a producer publishes data to topic "foo/foo", the Kafka server ends up 
creating an invalid directory structure on the server. This corrupts the 
zookeeper data structure for the topic - /brokers/topics/foo/foo. This leads to 
rebalancing failures on the consumer as well as errors on the zookeeper based 
producer. 

We need to harden the invalid topic handling on the Kafka server side to avoid 
this.

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