Run the .wasm file I compiled that make a problem. I want to know the author of this project compile the rust to .wasm file.

[ZZK-AJ]

Summary

I use the code like the tutorial ,
#[no_mangle] pub extern fn sum(x: i32, y: i32) -> i32 { x + y }
and use: cargo build --target=wasm32-wasi to compile my rust code to .wasm file.
and I run the .wasm file like this wasmtime hello-rust2wasm.wasm, it can worked.
but when I call the .wasm file in Java it comes an error.
Exception in thread "main" java.lang.RuntimeException: Failed to instantiate the module: Error while importing "wasi_snapshot_preview1"."fd_write": unknown import. Expected Function(FunctionType { params: [I32, I32, I32, I32], results: [I32] })
but if I use the author's file simple.wasm show in README. it can work.

so I want to know how the author compiles the rust to wasm and where I can learn the method.

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