`dart compile js` fails with the newest SDK

[srujzs]

Dart SDK version: 3.5.0-edge.21ee651cc4ed07e5729d727dfbd5f15498bc31fd (main) (Wed Jun 26 10:35:50 2024 -0700) on "macos_arm64"

Compiling any Dart file with dart compile js leads to:

vm-service: Error: Unhandled exception:
ProcessException: No such file or directory
  Command: ./dart development-service --vm-service-uri=http://127.0.0.1:58929/_EgWJOd0pEo=/ --bind-address=localhost --bind-port=0 --serve-devtools
#0      _ProcessImpl._start (dart:io-patch/process_patch.dart:402:33)
#1      Process.start (dart:io-patch/process_patch.dart:38:20)
#2      _DebuggingSession.start (dart:vmservice_io:104:30)
#3      _toggleWebServer.<anonymous closure> (dart:vmservice_io:324:28)
<asynchronous suspension>
#4      _toggleWebServer (dart:vmservice_io:321:5)
<asynchronous suspension>
#5      webServerControlCallback (dart:vmservice_io:341:5)
<asynchronous suspension>
#6      VMService._serverMessageHandler (dart:_vmservice:410:21)
<asynchronous suspension>

Reverting https://dart-review.googlesource.com/c/sdk/+/366560 fixes the issue. cc @bkonyi

[bkonyi]

@srujzs I'm unable to reproduce at HEAD and can't find 21ee651cc4ed07e5729d727dfbd5f15498bc31fd. Can you please confirm the revision you're seeing this on?

[derekxu16]

I downloaded the latest main channel release from https://storage.googleapis.com/dart-archive/channels/main/raw/latest/sdk/dartsdk-macos-arm64-release.zip with --version output Dart SDK version: 3.5.0-edge.4abd615d3279573ad4711995a545ed156da8a315 (main) (Wed Jun 26 17:18:17 2024 +0000) on "macos_arm64" and dart compile js works using it for me.

[derekxu16]

Actually, it looks Wed Jun 26 10:35:50 2024 -0700 is a bit newer than Wed Jun 26 17:18:17 2024 +0000, so let me try building the SDK locally.

[srujzs]

Ah apologies, that was with a local revert CL. I can repro with Dart SDK version: 3.5.0-edge.3180d9545360cfb176a90d45db48009cf1beb842 (main) (Tue Jun 25 21:12:28 2024 +0000) on "macos_arm64".

[bkonyi]

Ah apologies, that was with a local revert CL. I can repro with Dart SDK version: 3.5.0-edge.3180d9545360cfb176a90d45db48009cf1beb842 (main) (Tue Jun 25 21:12:28 2024 +0000) on "macos_arm64".

@derekxu16 and I are both unable to reproduce with 3180d9545360cfb176a90d45db48009cf1beb842. This is from a locally built SDK?

[srujzs]

Yes. It looks like this is the cause (for me at least), which makes sense with the error:

sdk/sdk/lib/_internal/vm/bin/vmservice_io.dart

Line 99 in 4abd615

final dartDir = File(Platform.executable).parent.path;

Reverting that to resolvedExecutable fixes the issue. It's possible that executable gives us different behavior here.

[bkonyi]

Yes. It looks like this is the cause (for me at least), which makes sense with the error:

sdk/sdk/lib/_internal/vm/bin/vmservice_io.dart

Line 99 in 4abd615

final dartDir = File(Platform.executable).parent.path;

Reverting that to resolvedExecutable fixes the issue. It's possible that executable gives us different behavior here.

Are you using symlinks anywhere by any chance?

[srujzs]

Not that I'm aware of. Does Platform.executable give you a full path instead of just dart on your machine?

[bkonyi]

Hm, good question... do you have dart on your path at all? Maybe that's why I'm unable to reproduce.

[srujzs]

Yup, I have this in my .bashrc:

export PATH=$PATH:~/dart-sdk/sdk/xcodebuild/ReleaseARM64/dart-sdk/bin/