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Could not fetch system information, we expected 200, got 500 #1747
I've put up a graylog2 setup (web interface and server on same host) with an external elasticsearch cluster and external MongoDB server.
The server will start, however when i enter the system page i get the following error and stacktrace, it states the collection already exists(this happened when there was a blank db)
However, more interestingly, if i was to restart the server it will instantly crash and the only way i can get around this is to either delete the mongodb database or change the config to use a new Database.
Any ideas here? All machines are running on amazon linux and I am using Elasticsearch 1.7.4, mongodb 3.2 and most recent graylog2 version. The error points towards the issue being on MongoDB, so it it possibly a bug in mongodb 3.2?
Thanks for all and any help in advance
@fraser-m I couldn't reproduce the issue with MongoDB 3.2.1 on my development machine.
I have identified a part in our code that could've lead to Graylog trying to create the capped collection concurrently multiple times, though. This has been fixed in Graylog 2.0.0 and we'll maybe release another (last) Graylog 1.3.x patch release.