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Error Codes OCR is deployed on ModelArts and uses API Gateway (APIG). Therefore, OCR error codes may start with ModelArts, APIGW, or APIG. If an error code starting with APIGW is returned after you call an API, rectify the fault by referring to Error Codes.
The client should not repeat the request without modifications. 504 Gateway Timeout The request cannot be fulfilled within a given time.
This includes but is not limited to virtual networks, the OS of virtual machine hosts and guests, virtual firewalls, API Gateway, advanced security services, all types of cloud services, tenant data, identity accounts, and key management.
Table 1 Data protection measures Measure Description Transmission encryption (HTTPS) OCR uses HTTPS and Huawei Cloud API Gateway (APIG) to ensure full-link security during data transmission. APIG supports both TLS 1.1 and 1.2. TLS 1.2 is recommended because it is more secure.
