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[Doc] Add monitoring/management SSL regression note on release 8.8.0 #15090

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Jul 10, 2023
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[Doc] Add monitoring/management SSL regression note on release 8.8.0 #15090

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Add monitoring/management xpack SSL regression note
edmocosta Jun 15, 2023
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edmocosta Jun 15, 2023
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36 changes: 36 additions & 0 deletions docs/static/releasenotes.asciidoc
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Expand Up @@ -120,6 +120,42 @@ This section summarizes the changes in the following releases:
[[logstash-8-8-0]]
=== Logstash 8.8.0 Release Notes

[[known-issues-8.8.0]]
==== Known issues

Logstash 8.8.0 may fail to start when SSL/TLS is enabled
in monitoring and/or central management, due to a change introduced in version 11.14.0 of the https://github.com/logstash-plugins/logstash-output-elasticsearch[logstash-output-elasticsearch] plugin.
When impacted by this issue, Logstash fails to start and logs an error similar to the following:

```
[logstash.licensechecker.licensereader] Failed to perform request {:message=>"PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target", :exception=>Manticore::ClientProtocolException, :cause=>#<Java::JavaxNetSsl::SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target>}
```

**Resolution**

A successful Elasticsearch output plugin update to version `11.15.8` or higher will
resolve this issue:

```
bin/logstash-plugin update logstash-output-elasticsearch
```

OR

Specify the `ca_trusted_fingerprint` setting in the `logstash.yml`.
The certificate fingerprint can be extract with:

```
cat your_ca.cert | openssl x509 -outform der | sha256sum | awk '{print $1}'
```

Then set the following on `logstash.yml` using the output from the previous command:

```
xpack.monitoring.elasticsearch.ssl.ca_trusted_fingerprint: "<value>"
xpack.management.elasticsearch.ssl.ca_trusted_fingerprint: "<value>"
```

[[notable-8.8.0]]
==== Notable issues fixed

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