@kholis

Flink: Failed to validate any of the configured directories to monitor

Sep 27, 2024 · 1 min read · Issue: Flink Dashboard unable to startup with following error messages: + echo 'Starting Flink History Server' + exec /opt/cloudera/parcels/FLINK-1.16.2-csa1.11.0.1-cdh7.1.9.0-387-45580652/bin/flink-historyserver start-foreground Sep 27, 2024 2:21:45...

Knox: Unable to access NiFi Service from Knox UI

Mar 26, 2024 · 1 min read · Issue User cannot access NiFi UI from Knox Web UI with these error messages: An unexpected error has occurred {"cause0":"javax.ws.rs.core.UriBuilderException: The provided context path [/gateway/cdp-proxy/nifi-app] was not registered as allowed []"...

Knox: Failed to verify the token signature of eyJraW...o5t27A

Mar 26, 2024 · 1 min read · Issue User cannot login to Knox Web UI. In knox gateway log show following messages: 2024-03-25 13:28:08,500 INFO knox.gateway (KnoxPamRealm.java:doGetAuthorizationInfo(129)) - Computed roles/groups: [domain_users, group01] for principal: user01 202...

Tmux: protocol version mismatch (client 8, server 7)

Mar 25, 2024 · 1 min read · Issue After version upgrade, tmux failed with error: $ tmux protocol version mismatch (client 8, server 7) Caused There is a old tmux session which still running. Resolution Killall active tmux session $ sudo killall -9 tmux Ref: https://repost.aws/...

NGINX: Reverse proxy gives 405 Not Allowed when doing POST

Mar 18, 2024 · 1 min read · Issue Flask app with UI failed to access when setup with nginx show error: 405 Not Allowed. Here is the config: location /rmbg { proxy_pass http://127.0.0.1:5100/; proxy_set_header X-Real-IP $remote_addr; proxy...