upstream sent too big header while reading response header from upstream error while SSO logout

[jskelin]

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Environment

• Client OS: (e.g., Linux, macOS, Windows): Lonux
• Keptn Version (keptn version): 0.8.6
• Kubernetes Cloud Provider (e.g., GKE, AKS): GKE
• Kubernetes version (kubectl version): ??

Affected Component

• Docs
• CLI
• Kubernetes Integration
• Openshift Integration
• Helm
• Istio
• Bridge
• Approval
• Datastore
• REST API
• eventbroker / distributor
• jmeter

Describe the bug
Logout action results in http 502.
Bridge je setted to use SSO.

To Reproduce

Steps to reproduce the behavior:

1. login
2. got to upper left corner and open menu
3. click logout

Expected behavior

User should be redirect to SSO system in which he can do logout.

Current behavior
User is not redirected to SSO service. Instead user land on error page (HTTP 502) generated by nginx.

Screenshots

Additional context