Reranko05 commented on PR #51038:
URL: https://github.com/apache/arrow/pull/51038#issuecomment-5696584333
@pitrou @rok I tried a couple of things to narrow down the Emscripten
failure:
1. Kept the persistent `simdjson::ondemand::parser` and added a `try/catch`
around the document stream iteration — the failure remained unchanged.
2. Changed it to a local `simdjson::ondemand::parser` inside `DoParse()` to
rule out parser reuse — the failure is still the same.
In both cases the Emscripten job fails at:
```cpp
[ RUN ] TestJsonFormat.IsSupported
Aborted()
/build/cpp/debug/arrow-dataset-file-json-test.js:138
throw ex;
^
RuntimeError: Aborted(). Build with -sASSERTIONS for more info.
at abort (/build/cpp/debug/arrow-dataset-file-json-test.js:491:11)
at _abort (/build/cpp/debug/arrow-dataset-file-json-test.js:4483:7)
at invoke_v (/build/cpp/debug/arrow-dataset-file-json-test.js:5907:29)
at arrow-dataset-file-json-test.wasm.std::__terminate(void (*)())
(wasm://wasm/arrow-dataset-file-json-test.wasm-0f1ebc22:wasm-function[41577]:0x2787242)
at arrow-dataset-file-json-test.wasm.std::terminate()
(wasm://wasm/arrow-dataset-file-json-test.wasm-0f1ebc22:wasm-function[41575]:0x278721b)
at
arrow-dataset-file-json-test.wasm.simdjson::fallback::ondemand::document_stream::start()
(wasm://wasm/arrow-dataset-file-json-test.wasm-0f1ebc22:wasm-function[18910]:0xf7aedf)
at arrow-dataset-file-json-test.wasm.arrow::Status arrow::Status
arrow::json::HandlerBase::DoParse<arrow::json::Handler<(arrow::json::UnexpectedFieldBehavior)2>>(arrow::json::Handler<(arrow::json::UnexpectedFieldBehavior)2>&,
std::__2::shared_ptr<arrow::Buffer>
const&)::'lambda'(arrow::json::Handler<(arrow::json::UnexpectedFieldBehavior)2>
const&)::operator()<simdjson::padded_string>(arrow::json::Handler<(arrow::json::UnexpectedFieldBehavior)2>
const&) const
(wasm://wasm/arrow-dataset-file-json-test.wasm-0f1ebc22:wasm-function[20153]:0x1029453)
at invoke_viii (/build/cpp/debug/arrow-dataset-file-json-test.js:5885:29)
at arrow-dataset-file-json-test.wasm.arrow::Status
arrow::json::HandlerBase::DoParse<arrow::json::Handler<(arrow::json::UnexpectedFieldBehavior)2>>(arrow::json::Handler<(arrow::json::UnexpectedFieldBehavior)2>&,
std::__2::shared_ptr<arrow::Buffer> const&)
(wasm://wasm/arrow-dataset-file-json-test.wasm-0f1ebc22:wasm-function[20151]:0x102796a)
at
arrow-dataset-file-json-test.wasm.arrow::json::Handler<(arrow::json::UnexpectedFieldBehavior)2>::Parse(std::__2::shared_ptr<arrow::Buffer>
const&)
(wasm://wasm/arrow-dataset-file-json-test.wasm-0f1ebc22:wasm-function[20150]:0x10275b7)
Node.js v24.19.0
```
I am not sure what else could be causing this specifically in the Emscripten
configuration. Any ideas on what I should look at next?
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