1、问题一:
org.elasticsearch.bootstrap.StartupException:BindTransportException[Failed to bind to [9300]]; nested: BindException[无法指定被请求的地址];
atorg.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:127)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:114)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:67)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:122)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.cli.Command.main(Command.java:88)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:91)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:84)~[elasticsearch-5.4.1.jar:5.4.1]
Caused by:org.elasticsearch.transport.BindTransportException: Failed to bind to [9300]
atorg.elasticsearch.transport.TcpTransport.bindToPort(TcpTransport.java:769)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.transport.TcpTransport.bindServer(TcpTransport.java:734)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.transport.netty4.Netty4Transport.doStart(Netty4Transport.java:173)~[?:?]
atorg.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:69)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.transport.TransportService.doStart(TransportService.java:196)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.common.component.AbstractLifecycleComponent.start(AbstractLifecycleComponent.java:69)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.node.Node.start(Node.java:686) ~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.bootstrap.Bootstrap.start(Bootstrap.java:277)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:359)~[elasticsearch-5.4.1.jar:5.4.1]
atorg.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:123)~[elasticsearch-5.4.1.jar:5.4.1]
...6 more
Caused by: java.net.BindException: 无法指定被请求的地址
atsun.nio.ch.Net.bind0(Native Method) ~[?:?]
atsun.nio.ch.Net.bind(Net.java:433) ~[?:?]
atsun.nio.ch.Net.bind(Net.java:425) ~[?:?]
atsun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)~[?:?]
atio.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)~[?:?]
atio.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:554)~[?:?]
atio.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1258)~[?:?]
atio.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)~[?:?]
atio.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)~[?:?]
atio.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:980)~[?:?]
atio.netty.channel.AbstractChannel.bind(AbstractChannel.java:250) ~[?:?]
atio.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:365) ~[?:?]
atio.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)~[?:?]
atio.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)~[?:?]
atio.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:462) ~[?:?]
atio.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)~[?:?]
atjava.lang.Thread.run(Thread.java:748) [?:1.8.0_161]
原因:elasticsearch.yml文件的参数配置不正确
解决方法:编辑node节点对应的配置文件,例如:
(1)在命令行输入:vim /usr/elk/elasticsearch/elasticsearch-master/config/elasticsearch.yml
(2)打开文件后,把文件中的这两个地方的IP地址改成ES所在服务器的IP地址即可。
2.问题二:
org.elasticsearch.bootstrap.StartupException: java.lang.RuntimeException: can not run elasticsearch as root
原因:因为安全问题elasticsearch不让用root用户直接运行,所以要创建新用户
解决:创建一个单独的用户用来运行ElasticSearch
3,问题三:最大文件描述符[4096]对于弹性搜索过程太低,至少增加[65536]
原因
:切换到根用户,编辑/etc/security/limits.conf
添加麋鹿硬nofile 65536
elk soft nofile 65536(elk是用户名)
4,问题四:用户[elk]的最大线程数[1024]太低,至少增加到[2048]
原因
:切换超级用户,编辑/ etc / security / limits。 d / 90-nproc.conf
5,问题五:
最大虚拟内存区域vm.max_map_count [65530]太低,增加到至少[262144]
原因:操作系统的vm.max_map_count参数设置太小导致的
解决方案:切换超级用户,编辑/etc/sysctl.conf
添加vm .max_map_count = 655360
保存退出,执行sysctl -p
6,问题六系统调用过滤器安装失败; 检查日志并修复配置或禁用系统调用过滤器需要您自担风险
原因:
解决:编辑ES配置文件elasticsearch.yml
添加bootstrap.system_call_filter:false
7,问题七启动时,可能会因为非root用户原因,对一些文件没有权限报异常
解决:chown -R xxx path / file赋予权限(xxx为用户名,例如elk)
8,问题八如遇端口号占用问题
netstat -anp | grep端口查出进程号kill -9 pid
9,问题九如果在终端出现-bash:grunt:command not found
原因:需要创建软链接
解决方案:ln -s /usr/elk/node-v6.11.4-linux- x64 / bin / grunt(这是grunt快捷方式的路径)/ usr / local / bin / grunt