HarmonyOS 鸿蒙Next 预览无法显示 A preview error may have occurred. Switch to the Log tab to view details，但可直接安装在模拟器上运行

HarmonyOS 鸿蒙Next 预览无法显示 A preview error may have occurred. Switch to the Log tab to view details，但可直接安装在模拟器上运行 [pipeline_context.cpp(Destroy)-(0)] PipelineContext::Destroy end.

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356]01-25 15:50:38.264 8496 23532 I C03900/Ace: [declarative_frontend.cpp(Destroy)-(0)] DeclarativeFrontend Destroy begin.

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356]01-25 15:50:38.264 8496 23532 I C03900/Ace: [jsi_declarative_engine.cpp(Destroy)-(0)] JsiDeclarativeEngine Destroy

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356]01-25 15:50:38.264 8496 23532 W C03900/Ace: [js_local_storage.cpp(RemoveStorage)-(0)] A local storage with key 0 does not exist!

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356]01-25 15:50:38.264 8496 23532 W C03900/Ace: [jsi_context_module.cpp(RemoveContext)-(0)] Context with key 0 does not exist!

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356][ark_native_engine_impl.cpp(~ArkNativeEngineImpl)] ArkNativeEngineImpl::~ArkNativeEngineImpl

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356][native_engine_interface.cpp(Deinit)] NativeEngineInterface::Deinit

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356][native_engine_interface.cpp(~NativeEngineInterface)] NativeEngineInterface::~NativeEngineInterface

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356][ark_native_engine.cpp(~ArkNativeEngine)] ArkNativeEngine::~ArkNativeEngine

[2024-01-25T15:50:38.264] [INFO] default - [phone][24356]01-25 15:50:38.264 8496 23532 I C03900/Ace: [jsi_declarative_engine.cpp(~JsiDeclarativeEngine)-(0)] destroyed

[2024-01-25T15:50:38.265] [INFO] default - [phone][24356]01-25 15:50:38.264 8496 23532 I C03900/Ace: [jsi_declarative_engine.cpp(~JsiDeclarativeEngineInstance)-(0)] destroyed

[2024-01-25T15:50:38.265] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] Ark DecreaseReserved reserved = 0, capacity_ = 4087267328

[2024-01-25T15:50:38.265] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032E40000 to semi space

[2024-01-25T15:50:38.265] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032EC0000 to semi space

[2024-01-25T15:50:38.265] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032F00000 to semi space

[2024-01-25T15:50:38.265] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032F40000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032F80000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032FC0000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033040000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033240000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033280000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:00000000332C0000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033300000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.265 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033340000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033400000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033480000 to semi space

[2024-01-25T15:50:38.266] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032A00000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033080000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033180000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033000000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033140000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:00000000330C0000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033100000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.266 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033200000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.267 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033380000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.267 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000033440000 to old space

[2024-01-25T15:50:38.267] [INFO] default - [phone][24356]01-25 15:50:38.267 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:00000000329C0000 to non movable space

[2024-01-25T15:50:38.268] [INFO] default - [phone][24356]01-25 15:50:38.267 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032C00000 to non movable space

[2024-01-25T15:50:38.268] [INFO] default - [phone][24356]01-25 15:50:38.267 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032E80000 to non movable space

[2024-01-25T15:50:38.268] [INFO] default - [phone][24356]01-25 15:50:38.267 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:00000000333C0000 to non movable space

[2024-01-25T15:50:38.268] [INFO] default - [phone][24356]01-25 15:50:38.267 8496 23532 D C03f00/ArkCompiler: [gc] ClearAndFreeRegion:50 Clear region from:0000000032A40000 to read only space

[2024-01-25T15:50:38.270] [INFO] default - [phone][24356]01-25 15:50:38.269 8496 23532 I C03900/Ace: [frontend_delegate_declarative.cpp(~FrontendDelegateDeclarative)-(0)] destroyed

[2024-01-25T15:50:38.270] [INFO] default - [phone][24356]01-25 15:50:38.270 8496 23532 I C03900/Ace: [pipeline_base.cpp(~PipelineBase)-(0)] destroyed

[2024-01-25T15:50:38.270] [INFO] default - [phone][24356]01-25 15:50:38.270 8496 23532 I C03900/Ace: [declarative_frontend.cpp(Destroy)-(0)] DeclarativeFrontend Destroy end.

[2024-01-25T15:50:38.270] [INFO] default - [phone][24356]01-25 15:50:38.270 8496 23532 I C03900/Ace: [declarative_frontend.cpp(~DeclarativeFrontend)-(0)] destroyed

[2024-01-25T15:50:38.270] [INFO] default - [phone][24356]01-25 15:50:38.270 8496 23532 I C03900/Ace: [ace_container.cpp(operator())-(0)] Wait UI thread…

[2024-01-25T15:50:38.271] [INFO] default - [phone][24356]01-25 15:50:38.270 8496 23532 I C03900/Ace: [ace_container.cpp(operator())-(0)] Wait JS thread…

[2024-01-25T15:50:38.271] [INFO] default - [phone][24356]01-25 15:50:38.270 8496 22940 I C03900/Ace: [ace_engine.cpp(RemoveContainer)-(-2)] RemoveContainer 0

[2024-01-25T15:50:38.271] [INFO] default - [phone][24356][INFO][JsAppImpl.cpp][Start][46][2024-01-25T15:50:38.270]:Js app run finished

[2024-01-25T15:50:38.271] [INFO] default - [phone][24356][INFO][CppTimer.cpp][~CppTimer][25][2024-01-25T15:50:38.270]:CppTimer can not deleted by other thread!

[2024-01-25T15:50:38.271] [INFO] default - [phone][24356][INFO][CppTimer.cpp][~CppTimer][25][2024-01-25T15:50:38.270]:CppTimer can not deleted by other thread!

[2024-01-25T15:50:38.273] [INFO] default - [phone][24356]01-25 15:50:38.273 8496 22940 I C03900/Ace: [ace_engine.cpp(~AceEngine)-(-2)] ~AceEngine

[2024-01-25T15:50:38.273] [INFO] default - [phone][24356]01-25 15:50:38.273 8496 22940 I C03900/Ace: [ace_engine.cpp(~AceEngine)-(-2)] ~AceEngine: containerMap_ size: 0

[2024-01-25T15:50:38.276] [INFO] default - [phone][24356]01-25 15:50:38.276 8496 22940 D C03f00/ArkCompiler: [ecmascript] ReleaseJSPandaFile E:\Development\HarmonyOS\mrmsei\entry.preview\default\intermediates\assets\default\ets\modules.abc

[2024-01-25T15:50:38.276] [INFO] default - [phone][24356]01-25 15:50:38.276 8496 22940 D C03f00/ArkCompiler: [ecmascript] ReleaseJSPandaFile

[2024-01-25T15:50:38.278] [INFO] default - [phone][24356]01-25 15:50:38.277 8496 22940 E C01400/OHOS::ROSEN: Failed to move animation to root, root node is null!

[2024-01-25T15:50:38.375] [INFO] default - [Previewer server]10740 phone_1706164502440_1_commandPipe disconnect. ClientNumber is 1

[2024-01-25T15:50:38.394] [INFO] default - [Previewer server]10740 Child process is closed, exit signal: null

[2024-01-25T15:50:38.394] [INFO] default - [Previewer server]10740 Child process is closed, exit code: 0

[2024-01-25T15:50:41.212] [INFO] default - [Previewer server]10740 24356 Engine exit in win32.


更多关于HarmonyOS 鸿蒙Next 预览无法显示 A preview error may have occurred. Switch to the Log tab to view details，但可直接安装在模拟器上运行的实战教程也可以访问 https://www.itying.com/category-93-b0.html

3 回复

这是Preview log

更多关于HarmonyOS 鸿蒙Next 预览无法显示 A preview error may have occurred. Switch to the Log tab to view details，但可直接安装在模拟器上运行的实战系列教程也可以访问 https://www.itying.com/category-93-b0.html


把日志以附件形式放上来看看呢，这样很难看到关键词呢

在HarmonyOS鸿蒙Next预览时出现“A preview error may have occurred. Switch to the Log tab to view details”错误，可能是由于以下原因导致：

  1. IDE版本问题：确保使用的是最新版本的DevEco Studio，旧版本可能存在兼容性问题。
  2. 项目配置问题：检查项目的config.json文件，确保所有配置项正确无误，特别是与预览相关的配置。
  3. 资源文件问题：预览时未能正确加载资源文件，如布局文件、图片等，导致无法正常显示。
  4. 设备模拟器问题：虽然可以直接安装在模拟器上运行，但预览时模拟器可能未正确启动或配置。
  5. 插件或依赖问题：项目中使用的某些插件或依赖可能不兼容当前版本的DevEco Studio，导致预览失败。

解决方法：

  1. 更新DevEco Studio到最新版本。
  2. 检查并修正config.json文件中的配置。
  3. 确保所有资源文件路径正确且文件存在。
  4. 重启模拟器或重新配置模拟器设置。
  5. 检查并更新项目中的插件或依赖。

如果问题依旧存在，可以查看日志（Log tab）获取更多详细信息。

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