"Failed to load indices" and "Failed to load remote clusters" when create index pattern in kibana

Hey all, Recently, when using Kibana 6.8.22 version, when I clicked on Management ->Index patterns, two errors were displayed on the web: "Failed to load indices" and "Failed to load remote clusters" .the console in web developer is like this:

http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95 ERROR: 2023-12-27T11:56:32Z
Error: Request error, retrying
POST http://2409:808f:5f04::af8:be29:30064/elasticsearch/*/_search?ignore_unavailable=true => response.headers is not a function
at Log.error (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:88:163973)
at checkRespForFailure (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:88:173681)
at http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:88:183236
at processQueue (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:199687)
at http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:200650
at Scope.$digest (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:210412)
at Scope.$apply (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:213219)
at done (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:132717)
at completeRequest (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:136329)
at myXHR.requestLoaded [as onload] (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:135225)

Console.write @ http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95
http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95 ERROR: 2023-12-27T11:56:32Z
Error: Request error, retrying
POST http://2409:808f:5f04::af8:be29:30064/elasticsearch/%3A/_search?ignore_unavailable=true => response.headers is not a function
at Log.error (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:88:163973)
at checkRespForFailure (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:88:173681)
at http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:88:183236
at processQueue (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:199687)
at http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:200650
at Scope.$digest (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:210412)
at Scope.$apply (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:213219)
at done (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:132717)
at completeRequest (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:136329)
at myXHR.requestLoaded [as onload] (http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:441:135225)

Console.write @ http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95
2http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95 WARNING: 2023-12-27T11:56:32Z
Unable to revive connection: http://2409:808f:5f04::af8:be29:30064/elasticsearch

Console.write @ http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95
2http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95 WARNING: 2023-12-27T11:56:32Z
No living connections

Console.write @ http://[2409:808f:5f04::af8:be29]:30064/built_assets/dlls/vendors.bundle.dll.js:95
DevTools failed to load source map: Could not load content for chrome-extension://cmahphffbhngpemkmclijnpkfjfhmmpm/lib/crypto-js.min.js.map: System error: net::ERR_BLOCKED_BY_CLIENT

Is there anyone who can help analyze this issue? I am very grateful

Hello,

Could you please check your configuration to make sure the elasticsearch remote cluster is up and connected? You need to find your remote elasticsearch address and ping it.

Thanks,
Bhavya

hi ,I have found that "POST http://2409:808f:5f04::af8:be29:30064/elasticsearch//_search?ignore_unavailable=true ", we use ipv6 address, but without [ ] above, it should be "POST http://[2409:808f:5f04::af8:be29]:30064/elasticsearch/ /_search?ignore_unavailable=true ", how can I solve this problem?

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