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  1. Troubleshooting Hub
  2. Jenkins

Jenkins Runbooks

Jenkins master/agent failures, plugin issues, and workspace problems.

5 scenarios ยท search and filter below, or jump via the quick nav.

Foundation2Intermediate2Advanced1
Foundation2 runbooks
Jenkins build stuck in queue - no available executorhigh

Build stuck in queue with 'Waiting for next available executor'

JenkinsFoundationUSE2 causes
1Open runbook
Jenkins workspace locked - concurrent build conflicthigh

Build fails with 'Workspace is locked by another build'

JenkinsFoundation2 causes
2Open runbook
Intermediate2 runbooks
Jenkins agent node offline - remoting handshake failurecritical

Jenkins agent shows 'Offline' in the node management page

JenkinsIntermediateUSE2 causes
1Open runbook
Jenkins API calls fail - CSRF crumb missing or expiredmedium

POST to Jenkins API returns 403 with 'No valid crumb was included in the request'

JenkinsIntermediate2 causes
2Open runbook
Advanced1 runbooks
Jenkins master restart loop - broken plugin causes crashcritical

Jenkins master starts and crashes repeatedly within seconds

JenkinsAdvanced2 causes
1Open runbook