goldmedal commented on PR #10745:
URL: https://github.com/apache/datafusion/pull/10745#issuecomment-2143306381

   Hi @alamb, I encountered a dependency issue with `wasm-build`.
   
https://github.com/apache/datafusion/actions/runs/9327817555/job/25678224652?pr=10745
   
   After some research, I found that some people encountered a [similar error 
message](https://forum.dfinity.org/t/does-canister-rust-code-support-tokio-version-1-35-1-features-full/27188),
 and someone mentioned it could be an issue with [Tokio's limited support for 
WASM](https://docs.rs/tokio/latest/tokio/#wasm-support). I found that the 
failed crate, `mio`, is used by `tokio` and `aws-config`. `datafusion-cli` 
enables more of Tokio's features than core. I think I might have moved too many 
objects to core. I might need to keep `aws`, `gcp`, or other 
object-store-related things in `cli`. I'll keep trying.
   
   However, this also means that this feature will have limited support for 
WASM.
   
   Do you have any ideas about this issue? Thanks.


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