Vasudevan Seshadri created KAFKA-7328:
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Summary: Java version for Kafka
Key: KAFKA-7328
URL: https://issues.apache.org/jira/browse/KAFKA-7328
Project: Kafka
Issue Type: Improvement
Components: documentation
Affects Versions: 2.0.0
Reporter: Vasudevan Seshadri
Kafka-zookeeper runs very well on Java 1.6, while all other components like
kafka-server or kafka-consumer or kafka-topic doesn't run on Java 1.6.
Error was: unsuported minor.major.version 52
I downloaded the latest version of Kafka from -
[https://www.apache.org/dyn/closer.cgi?path=/kafka/2.0.0/kafka_2.11-2.0.0.tgz]
Suggestion: I think following has to be implemented
1. Quick Start Page (https://kafka.apache.org/quickstart) : Clearly mention the
pre-requisites as Java 1.8+
2. Also, add checks in starter scripts to check Java version. If it's not a
compatible version of Java, don't even start anything and call out clearly.
While kafka-zookeeper was running without any issues and others had issues, it
took a while to identify what the actual problem and had to search the
documentation section 6.4 to understand Java 1.8 is required.
Thanks,
Vasu
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