Hello Team,

Currently we are working on v2018.4.1.15 and facing issue while loading analytics in API manager getting error as {"statusCode":502,"error":"Bad Gateway","message":"Error connecting to upstream in analytics."}.From the analytics storage pods we are not seeing any error massage still it is failing to load analytics and also the data synching from manager to gateway is not happening. Kindly suggest.

Thanks,

Yogesh Zope

Hello,

Yesterday we were not seen any error logs but now we are getting below error logs from one of ingestion pod

[2023-07-06T08:14:59,660][INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 429 ({"type"=>"es_rejected_execution_exception", "reason"=>"rejected execution of org.elasticsearch.transport.TransportService$7@67c9f99 on EsThreadPoolExecutor[bulk, queue capacity = 200, org.elasticsearch.common.util.concurrent.EsThreadPoolExecutor@33cffd67[Running, pool size = 1, active threads = 1, queued tasks = 200, completed tasks = 12184198]]"})
[2023-07-06T08:14:59,660][INFO ][logstash.outputs.elasticsearch] Retrying individual bulk actions that failed or were rejected by the previous bulk request. {:count=>55}.

Thanks,

Yogesh Zope

Hello Yogesh, 

I brought this up to the team and we had a few thoughts:

1. We would recommend upgrading to the latest supported version of the software as v2018's support ended in April. 
2. it sounds like the API manager is having networking issues connecting to both analytics and gateway - so that might be where you would want to start debugging and seeing if you can find something there. 

I am looking to see if someone else has encountered this issue before, and if so, I will share the thread.

Hello Gabriel.

As suggested i have checked all the connectivity from my manager to gateway & Analytics servers and connectivity is working properly. We are in the middle of upgrading our existing servers to V10 but before migration we need to stable our existing environment. We are facing this issue since last 10 days. Kindly suggest how to fix this issue and also syncing from manager to gateway is also not working.

Thanks,

Yogesh