报错OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release. 2020-10-28T11:21:35,217[o.e.b.ElasticsearchUncaughtExceptionHandler] [MiWiFi-R3L-srv] uncaught exception in thread [main] org.elasticsearch.bootstrap.StartupException: ElasticsearchException[failed to bind service]; nested: AccessDeniedException[/home/ae/es761/data/nodes]; at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:174) ~[elasticsearch-7.6.1.jar:7.6.1]
因为文件权限不够，找到黑体部分文件，修改权限
修改为你启动elasticsearch的用户和组，就是和你elasticsearch里面其他文件一样
修改所属组： chgrp [组名] 文件或目录：例如：chgrp aile data //修改data的用户为aile
修改所属用户：chown [用户名] 文件或目录名