Lỗi không chạy được ES do ghi đè không đúng

[tranha31]

Sau khi cài đặt theo hướng dẫn, mình gặp phải lỗi như sau. Rất mong được mọi người giúp đỡ. Mình gỡ đi cài lại vẫn bị lỗi này:

`java.lang.Error: Unresolved compilation problems:
The method getTokenFilters() of type AnalysisVietnamesePlugin must override a superclass method
Constructor references are allowed only at source level 1.8 or above

at org.elasticsearch.plugin.analysis.vi.AnalysisVietnamesePlugin.getTokenFilters(AnalysisVietnamesePlugin.java:45) ~[?:?]
at org.elasticsearch.common.NamedRegistry.extractAndRegister(NamedRegistry.java:43) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.indices.analysis.AnalysisModule.setupTokenFilters(AnalysisModule.java:139) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.indices.analysis.AnalysisModule.<init>(AnalysisModule.java:72) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.node.Node.<init>(Node.java:442) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.node.Node.<init>(Node.java:288) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:219) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:219) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:399) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:167) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:158) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:75) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:114) ~[elasticsearch-cli-7.15.2.jar:7.15.2]
at org.elasticsearch.cli.Command.main(Command.java:79) ~[elasticsearch-cli-7.15.2.jar:7.15.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:123) ~[elasticsearch-7.15.2.jar:7.15.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:81) ~[elasticsearch-7.15.2.jar:7.15.2]`