JanusGraph使用报错整理-JMX

实验环境

  • CentOS7
  • janusgraph-0.2.1-hadoop2

报错

gremlin> graph = JanusGraphFactory.open('conf/janusgraph-cassandra-embedded-es.properties')
07:15:47 WARN  org.apache.cassandra.service.CassandraDaemon  - JMX is not enabled to receive remote connections. Please see cassandra-env.sh for more info.
07:15:47 ERROR org.apache.cassandra.service.CassandraDaemon  - cassandra.jmx.local.port missing from cassandra-env.sh, unable to start local JMX service.null
==>standardjanusgraph[embeddedcassandra:[127.0.0.1]]

原因分析

操作系统防火墙没关闭,阻止了JMX的启动

解决方案

关闭防火墙

systemctl stop firewalld.service #停止firewall
systemctl disable firewalld.service #禁止firewall开机启动

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