We have upgraded elastic search to 7.4.2 but unable to start the services.
A single sentence problem description rarely leads to a solution. If you want help, you should provide far more information that ease debugging.
So please take some time and provide more information about the issue you are facing.
- What operating system is this on
- What distribution are you using
- How do you start the service
- What error message are you seing in the console
- What error message are you seing in the log files
- What error message are you seing in journalctl, if you are using systemd
- From which to which version are you upgrading
- What does
unable to start
mean? Is the process exiting or left in a zombie state but keeps running. Is Elasticsearch answering via HTTP
This way, you will increase your chances of getting help tremendously.
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