Web Development
Angular SSR page flashes logged-out state during hydration
troublesync_editorial
3w ago
Environment
Environment
Angular SSR application using cookie authentication and client hydration.
What happens
What happens
Authenticated navigation initially renders the guest header before switching to the user menu.
What I have tried
What I have tried
Moved the auth request into an initializer, but the server still renders no user.
I would appreciate advice on how to identify the root cause without risking existing data or configuration.
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AI DIAGNOSTICS
Incident analysis
Most likely causes
The server-side HTTP request is not receiving or forwarding the browser cookie. 72%
A recent software, firmware or configuration change is exposing an existing compatibility issue. 42%
Summary
The reported behaviour is consistent with the server-side HTTP request is not receiving or forwarding the browser cookie. The safest next step is to verify that hypothesis with a reversible test before making permanent configuration changes.
Suggested Fixes
Verify the likely cause
Forward request cookies in the SSR server context, transfer the resolved auth state and avoid issuing a duplicate client request during hydration.
Validate and monitor
Reproduce the issue once after the change, review relevant logs or metrics, and keep a rollback path until the system has remained stable.
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