Elasticsearch: Service not running

Graylog Central (peer support)
1

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1. Describe your incident:
After Server reboot, elasticsearch service failed to load causing graylog server service unavailable.
**2. Describe your environment:Single Server

  • OS Information: Oracle Linux 9
  • Package Version:
  • elasticsearch.x86_64 7.17.22-1 @elasticsearch-7.x
    graylog-4.2-repository.noarch 1-4 @System
    graylog-server.noarch 4.2.13-1 @graylog
    mongodb-database-tools.x86_64100.9.5-1 @mongodb-org-4
    mongodb-org.x86_64 4.4.29-1.el8 @mongodb-org-4
    mongodb-org-database-tools-extra.x86_64 4.4.29-1.el8 @mongodb-org-4
    mongodb-org-mongos.x86_64 4.4.29-1.el8 @mongodb-org-4
    mongodb-org-server.x86_64 4.4.29-1.el8 @mongodb-org-4
    mongodb-org-shell.x86_64 4.4.29-1.el8 @mongodb-org-4
    mongodb-org-tools.x86_64 4.4.29-1.el8 @mongodb-org-4
  • Service logs, configurations, and environment variables:

3. What steps have you already taken to try and solve the problem?
I have restarted the service but no success. Your help will be greatly appreciated.

4. How can the community help?
Using the previous use cases, community can help in troubleshoot and fix this issue

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2

Hi @Kashif

At first you should downgrade elasticsearch to 7.10.2, higher versions are not supported by graylog.

Second, did you enable the service (systemctl enable elasticsearch.service).

Sometimes it takes longer for elastic to boot than graylog that comes in, but normally that should not have to be a problem.

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