Github user pnowojski commented on the issue:
https://github.com/apache/flink/pull/4777
I'm not sure if you can easily disable convergence in child pom.
I think that shading happens after resolving dependency versions. So first
you would need to fix dependency convergence for given module to ensure that
during compilation everything will be ok/converged. Shading happens after that
and I think it can only fix/avoid potential errors in other modules, that
depend on a module that shaded something.
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