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dlSym cannot locate method 'CreateExtension'

See original GitHub issue

Triton Information What version of Triton are you using? 21.06

Are you using the Triton container or did you build it yourself? build my self

I have now recompiled the openvino back using openvino 2021.2 and need to load a custom operator that has been compiled to so lib, but got an error when loading so:

+---------+---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Model   | Version | Status                                                                                                                                                           |
+---------+---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| mylayer | 1       | UNAVAILABLE: Internal: ModelState::Create InferenceEngineException: dlSym cannot locate method 'CreateExtension': /data/custom_op_openvino/build/libt |
|         |         | emplate_extension.so: undefined symbol: CreateExtension                                                                                                          |
+---------+---------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+

how to solve it?