log4j/ Elasticsearch vulnerability

log4j/ Elasticsearch vulnerability

We did an upgrade at Hitachi sometime back for patching the log4j vulnerability. The ES is failing every time we try to restart.

If anyone has any clue on how to resolve or go back to the earlier ES version that will be really helpful!

If we put log4j2.properties file in /etc/elasticsearch and try to restart , it should work . Error is suggesting that only
It didn’t work. We had to revert to the old ES. Still seeing issues, data stopped coming

the data is coming after restarting shipper logstash and redis_6379

because of /usr/share/elasticsearch permission was changed and because of that it was not starting es

After changing permission to elasticsearch user, it started running

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