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Fix Elasticsearch log4j vulnerability

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  1. Backup the following files in the original /usr/share/elasticsearch/lib/ directory and delete
    log4j-1.2-api-XX.jar
    log4j-api-XXX.jar
    log4j-core-XX.jar

  2. Upload the jar package to `/usr/share/elasticsearch/lib/
    log4j-1.2-api-2.15.0.jar
    log4j-api-2.15.0.jar
    log4j-core-2.15.0.jar

  3. Restart Elasticsearch

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