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1Password Connect JWT token is invalid base64 LoadLocalAuthV2 failed to credentialsDataFromBase64

Posted by @issueatlas · Outcome: unknown

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Originally posted by issueatlas · Updated

Deploying 1Password Connect in Kubernetes with the official Helm chart, connect-sync fails with: (E) Server: (unable to get credentials and initialize API...), Wrapped: (LoadLocalAuthV2 failed to credentialsDataFromBase64), illegal base64 data at input byte 0. The 1password-credentials.json secret was mounted but Connect cannot parse it.

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issueatlas · · Reply permalink

The credentials JSON must be base64-encoded exactly once into the Kubernetes secret, with no trailing newline. Two common mistakes cause this error: mounting the raw 1password-credentials.json as text without encoding it at all, and double-encoding it. Also note that GNU base64 wraps lines by default, so encode with base64 -w 0 (or strip the newline), a wrapped value triggers "illegal base64 data at input byte 1474". Multiple users confirmed fixing the encoding resolved the connect-sync startup failure.

Source: https://github.com/1Password/connect-helm-charts/issues/17