[Solved] Kibana Update 7.9.1 to 7.13.1 failed

Hello Elastic community,

I got a problem by updating my kibana.

That's trying to transform documents and seems doesn't work.

I have tried a lot of cURL command but that's doesn't work at all. I got always a respond " Kibana server is not ready yet"

How can I fix that ?

Actual log

{"type":"log","@timestamp":"2021-06-10T09:29:56+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 2 in 4 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:29:56+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 122222ms."}
{"type":"log","@timestamp":"2021-06-10T09:32:00+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 3 in 8 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:32:00+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 124211ms."}
{"type":"log","@timestamp":"2021-06-10T09:34:08+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 4 in 16 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:34:08+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 128218ms."}
{"type":"log","@timestamp":"2021-06-10T09:36:24+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 5 in 32 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:36:24+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 136205ms."}
{"type":"log","@timestamp":"2021-06-10T09:38:56+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 6 in 64 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:38:56+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 152218ms."}
{"type":"log","@timestamp":"2021-06-10T09:42:01+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 7 in 64 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:42:01+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 184192ms."}
{"type":"log","@timestamp":"2021-06-10T09:45:05+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 8 in 64 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:45:05+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 184203ms."}
{"type":"log","@timestamp":"2021-06-10T09:48:09+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 9 in 64 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:48:09+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 184188ms."}
{"type":"log","@timestamp":"2021-06-10T09:51:13+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 10 in 64 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:51:13+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 184198ms."}
{"type":"log","@timestamp":"2021-06-10T09:54:17+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 11 in 64 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:54:17+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 184200ms."}
{"type":"log","@timestamp":"2021-06-10T09:57:22+02:00","tags":["error","savedobjects-service"],"pid":801,"message":"[.kibana] Action failed with 'Request timed out'. Retrying attempt 12 in 64 seconds."}
{"type":"log","@timestamp":"2021-06-10T09:57:22+02:00","tags":["info","savedobjects-service"],"pid":801,"message":"[.kibana] OUTDATED_DOCUMENTS_TRANSFORM -> OUTDATED_DOCUMENTS_TRANSFORM. took: 184201ms."}

Any answers are appreciated and I thank you in advance.
Roms

I found out, the problem was the old index from Kibana.

curl -u elastic:"MY PASSWORD" -k -XDELETE "https://MYHOST:9200/.kibana_1"

I deleted the index and restart Kibana.

I hope that can help someone.

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