kafka启动失败：Error: VM option 'UseG1GC' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.

本文转载自查看原文 2021-12-10 09:58 2476 后端

麒麟服务器安装kafka后第二天节点挂了

提示VM option 'UseG1GC' is experimental and must be enabled via -XX:+UnlockExperimentalVMOptions.

直接找到此项配置，删除即可。
该配置路径如下：
/app/kafka/kafka_2.12-2.8.0/bin/kafka-run-class.sh
打开之后，找到：
KAFKA_JVM_PERFORMANCE_OPTS="-server -XX:+UseG1GC -XX:MaxGCPauseMillis=20

直接删掉 -XX:+UseG1GC。重启zk集群，启动kafka集群即可。

服务正常。

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