java.nio.file.FileSystemException: /plugins/.DS_Store/plugin-descriptor.properties: Not a directory

1. Elasticsearch 安装分词器后启动出现问题：

Caused by: java.nio.file.FileSystemException:  elasticsearch/plugins/.DS_Store/plugin-descriptor.properties: Not a directory
1

2. 详细问题：

localhost:elasticsearch-5.6.1 zhangjingyi$ bin/elasticsearch
[2020-08-09T10:11:03,425][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: org.elasticsearch.bootstrap.BootstrapException: java.nio.file.FileSystemException: elasticsearch-5.6.1/plugins/.DS_Store/plugin-descriptor.properties: Not a directory
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:136) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:123) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:67) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:134) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:91) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:84) ~[elasticsearch-5.6.1.jar:5.6.1]
Caused by: org.elasticsearch.bootstrap.BootstrapException: java.nio.file.FileSystemException: elasticsearch-5.6.1/plugins/.DS_Store/plugin-descriptor.properties: Not a directory
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:170) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:342) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:132) ~[elasticsearch-5.6.1.jar:5.6.1]
	... 6 more
Caused by: java.nio.file.FileSystemException: /TOOLS/elasticsearch-5.6.1/plugins/.DS_Store/plugin-descriptor.properties: Not a directory
	at sun.nio.fs.UnixException.translateToIOException(UnixException.java:91) ~[?:1.8.0_191]
	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_191]
	at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_191]
	at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:214) ~[?:1.8.0_191]
	at java.nio.file.Files.newByteChannel(Files.java:361) ~[?:1.8.0_191]
	at java.nio.file.Files.newByteChannel(Files.java:407) ~[?:1.8.0_191]
	at java.nio.file.spi.FileSystemProvider.newInputStream(FileSystemProvider.java:384) ~[?:1.8.0_191]
	at java.nio.file.Files.newInputStream(Files.java:152) ~[?:1.8.0_191]
	at org.elasticsearch.plugins.PluginInfo.readFromProperties(PluginInfo.java:114) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Spawner.spawnNativePluginControllers(Spawner.java:76) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:168) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:342) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:132) ~[elasticsearch-5.6.1.jar:5.6.1]
	... 6 more
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

3. 解决方式： 找到这个文件删除（ls -a 显示隐藏文件）

localhost:elasticsearch-5.6.1 zhangjingyi$ cd plugins/
localhost:plugins zhangjingyi$ ls -a
.		..		.DS_Store	analysis-ik
localhost:plugins zhangjingyi$ rm .DS_Store 
1
2
3
4

4. 重新启动es即可