Dustin Cote created KAFKA-5118:
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Summary: Improve message for Kafka failed startup with non-Kafka
data in data.dirs
Key: KAFKA-5118
URL: https://issues.apache.org/jira/browse/KAFKA-5118
Project: Kafka
Issue Type: Improvement
Components: core
Affects Versions: 0.10.2.0
Reporter: Dustin Cote
Priority: Minor
Today, if you try to startup a broker with some non-Kafka data in the data.dirs
you end up with a cryptic message:
{code}
[2017-04-21 13:35:08,122] ERROR There was an error in one of the threads during
logs loading: java.lang.StringIndexOutOfBoundsException: String index out of
range: -1 (kafka.log.LogManager)
[2017-04-21 13:35:08,124] FATAL [Kafka Server 3], Fatal error during
KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
{code}
It'd be better if we could tell the user to look for non-Kafka data in the
data.dirs and print out the offending directory that caused the problem in the
first place.
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