xds: Propagate status cause through XdsDepManager#12749
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ejona86 merged 1 commit intogrpc:masterfrom Apr 16, 2026
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Often there is no cause, but connect(), channel credentials, and call credentials failures on the control plane RPC can include a useful causal exception. This was triggered by seeing an error like below, but it didn't include the cause, which would have included HTTP error information from the failure fetching the credential. ``` UNAVAILABLE: Error retrieving LDS resource xdstp://traffic-director-c2p.xds.googleapis.com/envoy.config.listener.v3.Listener/bigtable.googleapis.com: UNAUTHENTICATED: Failed computing credential metadata nodeID: C2P-798500073 ```
shivaspeaks
approved these changes
Apr 13, 2026
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Often there is no cause, but connect(), channel credentials, and call credentials failures on the control plane RPC can include a useful causal exception.
This was triggered by seeing an error like below, but it didn't include the cause, which would have included HTTP error information from the failure fetching the credential.