Hi,
We have the following alert on ambari from the MapReduce History Server Web UI:
We have been receiving alerts today from MapReduce History Server Web UI encountered connection failed or operation timeout.
As checked, History Server application didn't stop or restarted during the time of the alert.
Below is the alert message we have:
History Server Web UI
Connection failed to https://<host>:19890 (Execution of 'curl --location-trusted -k --negotiate -u : -b /var/lib/ambari-agent/tmp/cookies/b691e974-6769-43c2-bba1-e486d6007948 -c /var/lib/ambari-agent/tmp/cookies/b691e974-6769-43c2-bba1-e486d6007948 -w '%{http_code}' https://<host>:19890 --connect-timeout 5 --max-time 7 -o /dev/null 1>/tmp/tmptSz439 2>/tmp/tmpb5DaZ0' returned 28. % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 100 270 100 270 0 0 1522 0 --:--:-- --:--:-- --:--:-- 1522 0 0 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:02 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:03 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:04 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:06 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:07 --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- 0:00:08 --:--:-- 0 curl: (28) Operation timed out after 7827 milliseconds with 0 out of -1 bytes received 401)
Cluster: <cluster1>
Host: <host>
Could you please help us find why this alert keeps happening?
Thank you!
