具体错误信息如下：
jiankunking@ubuntu:~/software/elasticsearch$ ./bin/elasticsearch [2017-03-23T18:14:05,880][INFO ][o.e.n.Node ] [] initializing ... [2017-03-23T18:14:06,151][INFO ][o.e.e.NodeEnvironment ] [r5Eus3r] using [1] data paths, mounts [[/ (/dev/sda1)]], net usable_space [11.1gb], net total_space [17.5gb], spins? [possibly], types [ext4] [2017-03-23T18:14:06,152][INFO ][o.e.e.NodeEnvironment ] [r5Eus3r] heap size [1.9gb], compressed ordinary object pointers [true] [2017-03-23T18:14:06,154][INFO ][o.e.n.Node ] [r5Eus3r] node name [r5Eus3r] derived from node ID; set [node.name] to override [2017-03-23T18:14:06,171][INFO ][o.e.n.Node ] [r5Eus3r] version[5.0.1], pid[3669], build[080bb47/2016-11-11T22:08:49.812Z], OS[Linux/4.8.0-41-generic/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_121/25.121-b13] [2017-03-23T18:14:08,104][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [aggs-matrix-stats] [2017-03-23T18:14:08,110][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [ingest-common] [2017-03-23T18:14:08,110][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [lang-expression] [2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [lang-groovy] [2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [lang-mustache] [2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [lang-painless] [2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [percolator] [2017-03-23T18:14:08,111][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [reindex] [2017-03-23T18:14:08,112][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [transport-netty3] [2017-03-23T18:14:08,112][INFO ][o.e.p.PluginsService ] [r5Eus3r] loaded module [transport-netty4] [2017-03-23T18:14:08,113][INFO ][o.e.p.PluginsService ] [r5Eus3r] no plugins loaded [2017-03-23T18:14:12,904][INFO ][o.e.n.Node ] [r5Eus3r] initialized [2017-03-23T18:14:12,905][INFO ][o.e.n.Node ] [r5Eus3r] starting ... [2017-03-23T18:14:13,161][INFO ][o.e.t.TransportService ] [r5Eus3r] publish_address {127.0.0.1:9300}, bound_addresses {[::]:9300} [2017-03-23T18:14:13,165][INFO ][o.e.b.BootstrapCheck ] [r5Eus3r] bound or publishing to a non-loopback or non-link-local address, enforcing bootstrap checks ERROR: bootstrap checks failed max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] [2017-03-23T18:14:13,199][INFO ][o.e.n.Node ] [r5Eus3r] stopping ... [2017-03-23T18:14:13,250][INFO ][o.e.n.Node ] [r5Eus3r] stopped [2017-03-23T18:14:13,250][INFO ][o.e.n.Node ] [r5Eus3r] closing ... [2017-03-23T18:14:13,274][INFO ][o.e.n.Node ] [r5Eus3r] closed
解决办法： 1、切换到root用户修改配置sysctl.conf
vi /etc/sysctl.conf
添加下面配置：
vm.max_map_count=655360
并执行命令：
sysctl -p
然后，重新启动elasticsearch，即可启动成功。 参考链接：https://blog.csdn.net/jiankunking/article/details/65448030
