NVIDIA deepstream reference application. Error: Can't open path for engine - source1_dashcamnet_vehiclemakenet_vehicletypenet.txt

Hardware: T4 GPU
DeepSteam Version: Docker pull deepstream:6.0-triton
TensorRT Version 8.0.1
NVIDIA GPU Driver 470.82.01

Question- Why is this error occurring? The resnet18 engine file in question is present. Any help appreciated, thank you.

  1. sudo docker run --gpus all -it --rm -v /tmp/.X11-unix:/tmp/.X11-unix -e DISPLAY=$DISPLAY -v /home/dell:/home/dell -w /opt/nvidia/deepstream/deepstream-6.0 nvcr.io/nvidia/deepstream:6.0-triton

  2. disabling sink 0 (eglsink) by setting enable=0 in deepstream_app_source1_dashcamnet_vehiclemakenet_vehicletypenet.txt

  3. running the NVIDIA example application with
    deepstream-app -c deepstream_app_source1_dashcamnet_vehiclemakenet_vehicletypenet.txt

produces this error:
Warning: 'input-dims' parameter has been deprecated. Use 'infer-dims' instead.
Warning: 'input-dims' parameter has been deprecated. Use 'infer-dims' instead.
Warning: 'input-dims' parameter has been deprecated. Use 'infer-dims' instead.
ERROR: ../nvdsinfer/nvdsinfer_model_builder.cpp:1484 Deserialize engine failed because file path: /opt/nvidia/deepstream/deepstream-6.0/samples/configs/tao_pretrained_models/../../models/tao_pretrained_models/vehicletypenet/resnet18_vehicletypenet_pruned.etlt_b4_gpu0_int8.engine open error

solved by using the deepstream:6.0-devel docker instead.

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