用于个人学习，破解了x-pack，主节点成功了，但是从节点报错：failed to load plugin class [org.elasticsearch.xpack.XPackPlugin]

failed to load plugin class [org.elasticsearch.xpack.XPackPlugin]


java.lang.IllegalStateException: failed to load plugin class [org.elasticsearch.xpack.XPackPlugin]
at org.elasticsearch.plugins.PluginsService.loadPlugin(PluginsService.java:452) ~[elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.plugins.PluginsService.loadBundles(PluginsService.java:392) ~[elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:142) ~[elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.node.Node.<init>(Node.java:302) ~[elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.node.Node.<init>(Node.java:245) ~[elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:212) ~[elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:322) [elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:121) [elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:112) [elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-6.1.2.jar:6.1.2]
at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-6.1.2.jar:6.1.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) [elasticsearch-6.1.2.jar:6.1.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:85) [elasticsearch-6.1.2.jar:6.1.2]
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:?]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
at java.lang.reflect.Constructor.newInstance(Constructor.java:422) ~[?:1.8.0_45]
at org.elasticsearch.plugins.PluginsService.loadPlugin(PluginsService.java:443) ~[elasticsearch-6.1.2.jar:6.1.2]
... 14 more