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When `ReadableStream` read fails, stack trace does not include the line responsible
48
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上游 issue 正文
### Version
22.2.0
### Platform
```text
Microsoft Windows NT 10.0.22635.0 x64
```
### Subsystem
_No response_
### What steps will reproduce the bug?
Save the following code to a file and run it:
```js
import net from 'node:net'
import stream from 'node:stream'
const socket = net.connect(90, 'host.invalid.',)
socket.on("error", e => { console.warn("socket error:", e.message) })
let myStream = stream.Duplex.toWeb(socket)
console.log("next line throws")
await myStream.readable.getReader().read()
console.log("this line will never be reached")
```
### How often does it reproduce? Is there a required condition?
_No response_
### What is the expected behavior? Why is that the expected behavior?
From the output, you can see there was an error, but you can't see *why* that crashed the process. The output should mention the line number of the `read()` call so that the user can add necessary error handling.
Note that `--async-stack-traces` does not make the output any more useful.
### What do you see instead?
``` console
> node index.mjs
next line throws
socket error: getaddrinfo ENOTFOUND host.invalid.
node:internal/modules/run_main:115
triggerUncaughtException(
^
Error: getaddrinfo ENOTFOUND host.invalid.
at GetAddrInfoReqWrap.onlookupall [as oncomplete] (node:dns:120:26) {
errno: -3008,
code: 'ENOTFOUND',
syscall: 'getaddrinfo',
hostname: 'host.invalid.'
}
```
### Additional information
A bad and easy to forget workaround is to wrap each `await` call.
```js
await reader.read().catch(e => { throw new AggregateError([e]) })
```
A better workaround might be possible with the (discouraged) [async hooks API](https://nodejs.org/api/async_hooks.html).
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