[2022-07-16T00:00:28,982][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [node-1] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: Could not load plugin descriptor for plugin directory [analysis-ik]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:125) ~[elasticsearch-cli-7.4.0.jar:7.4.0]
	at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.4.0.jar:7.4.0]
Caused by: java.lang.IllegalStateException: Could not load plugin descriptor for plugin directory [analysis-ik]
	at org.elasticsearch.plugins.PluginsService.readPluginBundle(PluginsService.java:401) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.plugins.PluginsService.findBundles(PluginsService.java:386) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.plugins.PluginsService.getPluginBundles(PluginsService.java:379) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:151) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.node.Node.<init>(Node.java:311) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.node.Node.<init>(Node.java:255) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:221) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:221) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:349) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.4.0.jar:7.4.0]
	... 6 more
Caused by: java.nio.file.NoSuchFileException: /opt/es/elasticsearch-7.4.0/plugins/analysis-ik/plugin-descriptor.properties
	at sun.nio.fs.UnixException.translateToIOException(UnixException.java:92) ~[?:?]
	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]
	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) ~[?:?]
	at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:219) ~[?:?]
	at java.nio.file.Files.newByteChannel(Files.java:374) ~[?:?]
	at java.nio.file.Files.newByteChannel(Files.java:425) ~[?:?]
	at java.nio.file.spi.FileSystemProvider.newInputStream(FileSystemProvider.java:420) ~[?:?]
	at java.nio.file.Files.newInputStream(Files.java:159) ~[?:?]
	at org.elasticsearch.plugins.PluginInfo.readFromProperties(PluginInfo.java:156) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.plugins.PluginsService.readPluginBundle(PluginsService.java:398) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.plugins.PluginsService.findBundles(PluginsService.java:386) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.plugins.PluginsService.getPluginBundles(PluginsService.java:379) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:151) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.node.Node.<init>(Node.java:311) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.node.Node.<init>(Node.java:255) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:221) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:221) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:349) ~[elasticsearch-7.4.0.jar:7.4.0]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.4.0.jar:7.4.0]

上述错误结果方案：
因为ik在7.0版本之后，没有plugin-descriptor.properties文件，所以在上传zip文件之前，需要先解压在本地，并自动添加好依赖，然后在利用mvn打包成zip文件，上传之后，该问题即可以解决


出现这张图片说明没问题了