Flutter：打开文件过多异常（MacOS）

Posted 2023-02-23

【中文标题】Flutter：打开文件过多异常（MacOS）

【英文标题】：Flutter: Too many open files exception (MacOS)

【发布时间】：2021-04-16 00:55:49

【问题描述】：

今天我在我的应用程序中看到一个奇怪的错误，它是这样的

FileSystemException: FileSystemException: Getting current working directory failed, path = '' (OS Error: Too many open files in system, errno = 23)

我的应用拥有大量资产，这可能是导致此问题的原因？

这感觉像是两个不同的问题。一是我们持有包：在 Mac 上测试代码并试图一次驱动太多测试

颤抖的医生

[✓] Flutter (Channel stable, 1.22.5, on Mac OS X 10.15.7 19H2 darwin-x64, locale en-GB)
    • Flutter version 1.22.5 at /Users/mac/Development/flutter
    • Framework revision 7891006299 (4 weeks ago), 2020-12-10 11:54:40 -0800
    • Engine revision ae90085a84
    • Dart version 2.10.4

 
[✓] android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Android SDK at /Users/mac/Library/Android/sdk
    • Platform android-30, build-tools 30.0.3
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.

[✓] Xcode - develop for ios and macOS (Xcode 12.0)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.0, Build version 12A7209
    • CocoaPods version 1.10.0

[!] Android Studio (version 4.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    ✗ Flutter plugin not installed; this adds Flutter specific functionality.
    ✗ Dart plugin not installed; this adds Dart specific functionality.
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495)

[!] Connected device
    ! No devices available

! Doctor found issues in 2 categories.

如何在 macOS 上更改打开文件限制？

【参考方案1】：

Mac OS 一次可以打开多少个文件的默认限制相当低。如果遇到此限制，请使用ulimit 命令增加可用文件处理程序的数量：

ulimit -S -n 2048

如果您使用 Travis 或 Cirrus 进行测试，请通过将同一行分别添加到 flutter/.travis.yml 或 flutter/.cirrus.yml 来增加它们可以打开的可用文件处理程序的数量。