1，could not find java in JAVA_HOME or bundled at /usr/local/java/jdk1.8.0_181/bin/java

解決：在安裝jdk8后配置環(huán)境變量時JAVA_HOME：/usr/local/java/jdk1.8.0_231路徑結(jié)尾未加/

2，ElasticsearchUncaughtExceptionHandler] … can not run elasticsearch as root

解決：根據(jù)報錯詳情日志看出是elasticsearch.yml配置文件中修改network.host:47.97.26.218時冒號后未加空格

3、BindTransportException[Failed to bind to [9300-9400]

解決：配置文件elasticsearch.yml 將 network.host: 47.97.26.218 修改為本機(jī)IP 0.0.0.0

4、unable to install syscall filter:

解決：在配置文件elasticsearch.yml最后一行添加bootstrap.system_call_filter: false

5、java.nio.file.AccessDeniedException: …/elasticsearch-7.4.0/config/jvm.options

解決：給es用戶賦予elasticsearch-7.0.0下所有文件的權(quán)限 chown -R es:es ?/usr/local/elasticsearch-7.0.0/

6、max number of threads [1024] for user [lishang] likely too low

解決：切換root用戶，修改limits.d目錄下的配置文件vim /etc/security/limits.d/90-nproc.conf

7、max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

解決：切到root用戶執(zhí)行sysctl -w vm.max_map_count=262144，在??/etc/sysctl.conf文件最后添加一行vm.max_map_count=262144