UNAVAILABLE: Unsupported: Triton TRITONBACKEND API version: X does not support 'onnxruntime' TRITONBACKEND API version X

[pultarmi]

I followed the README instructions on compilation and at the end I faced the

UNAVAILABLE: Unsupported: Triton TRITONBACKEND API version: 1.16 does not support 'onnxruntime' TRITONBACKEND API version: 1.19

error when trying to run Triton Inference Server with the backend swapped. I think you forgot to mention in the README that it is absolutely necessary to specify correct -DTRITON_CORE_REPO_TAG, otherwise it fails on API version check in TRITONBACKEND_Initialize in onnxruntime.cc.

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For example, you say to run

cmake -DCMAKE_INSTALL_PREFIX:PATH=`pwd`/install -DTRITON_BUILD_ONNXRUNTIME_VERSION=1.14.1 -DTRITON_BUILD_CONTAINER_VERSION=23.04 ..

"to build the ONNX Runtime backend for Triton 23.04" which is simply wrong and the correct command would be

cmake -DCMAKE_INSTALL_PREFIX:PATH=`pwd`/install -DTRITON_BUILD_ONNXRUNTIME_VERSION=1.14.1 -DTRITON_BUILD_CONTAINER_VERSION=23.04 -DTRITON_CORE_REPO_TAG=r23.04 ..