[大数据]Elasticsearch Security misconfiguration: cannot access java.io.tmpdir 问题解决

[2021-08-03T19:53:01,460][ERROR][o.e.b.Bootstrap          ] [iZca9nzhell38gZ] Exception
java.lang.SecurityException: Security misconfiguration: cannot access java.io.tmpdir
	at org.elasticsearch.bootstrap.Security.selfTest(Security.java:423) ~[elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.bootstrap.Security.configure(Security.java:133) ~[elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:216) ~[elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:349) [elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) [elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) [elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-7.2.0.jar:7.2.0]
	at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-7.2.0.jar:7.2.0]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) [elasticsearch-7.2.0.jar:7.2.0]
	at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) [elasticsearch-7.2.0.jar:7.2.0]
Caused by: java.lang.SecurityException: Unable to create temporary file or directory
	at java.nio.file.TempFileHelper.create(TempFileHelper.java:142) ~[?:?]
	at java.nio.file.TempFileHelper.createTempFile(TempFileHelper.java:160) ~[?:?]
	at java.nio.file.Files.createTempFile(Files.java:915) ~[?:?]
	at org.elasticsearch.bootstrap.Security.selfTest(Security.java:416) ~[elasticsearch-7.2.0.jar:7.2.0]
	... 10 more

方法一：

在elasticsearch.yml中加上xpack.ml.enabled: false

方法二：

这个错误的意思是找不到estmpdir文件夹，所以在es的目录中创建同名文件夹即可