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Posted to dev@kafka.apache.org by "Anders Tornblad (JIRA)" <ji...@apache.org> on 2018/05/03 14:38:00 UTC
[jira] [Created] (KAFKA-6855) Kafka fails to start due to faulty
Java version detection
Anders Tornblad created KAFKA-6855:
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Summary: Kafka fails to start due to faulty Java version detection
Key: KAFKA-6855
URL: https://issues.apache.org/jira/browse/KAFKA-6855
Project: Kafka
Issue Type: Bug
Components: core
Affects Versions: 1.1.0
Environment: Ubuntu 18.04
Java 10
Reporter: Anders Tornblad
After downloading fresh installations of ZooKeeper and Kafka, and then starting ZooKeeper and Kafka the way that is recommended on [http://kafka.apache.org/documentation/#quickstart] the following error message is shown:
{{Unrecognized VM option 'PrintGCDateStamps'}}
I found the error in the kafka-run-class.sh file, where the Java version is determined and put in the JAVA_MAJOR_VERSION variable. My Java runtime reports the version as openjdk version "10.0.1" 2018-04-17, which makes the JAVA_MAJOR_VERSION value be "10 2018-04-17" instead of just "10". That makes the subsequent if statement fail.
I found the following line to fix the problem:
{{JAVA_MAJOR_VERSION=$($JAVA -version 2>&1 | sed -E -n 's/.* version "([^.-]*).*/\1p')}}
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