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[英]Why after update VSCode giving this error? Could not read source map for … (Node.js)
[英]Suddenly gets Could not read source map in VSCode using Angular
我突然无法调试我的 Angular 应用程序。 不太确定我做了什么。 这可能发生在我更新 node.js 之后
启动.json
"configurations": [
{
"type": "pwa-chrome",
"request": "launch",
"name": "Launch Chrome against localhost",
"url": "http://localhost:4200",
"webRoot": "${workspaceFolder}/src",
"sourceMaps": true,
},
]
错误:
Could not read source map for http://localhost:4200/runtime.js: Unexpected 503 response from http://127.0.0.1:4200/runtime.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/vendor.js: Unexpected 503 response from http://127.0.0.1:4200/vendor.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/main.js: Unexpected 503 response from http://127.0.0.1:4200/main.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/styles.js: Unexpected 503 response from http://127.0.0.1:4200/styles.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/polyfills.js: Unexpected 503 response from http://127.0.0.1:4200/polyfills.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/scripts.js: Unexpected 503 response from http://127.0.0.1:4200/scripts.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/common.js: Unexpected 503 response from http://127.0.0.1:4200/common.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/common.js: Unexpected 503 response from http://127.0.0.1:4200/common.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/src_app_lora_lora_module_ts.js: Unexpected 503 response from http://127.0.0.1:4200/src_app_lora_lora_module_ts.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/src_app_telegrams_telegrams_module_ts.js: Unexpected 503 response from http://127.0.0.1:4200/src_app_telegrams_telegrams_module_ts.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/src_app_items-management_items-management_module_ts.js: Unexpected 503 response from http://127.0.0.1:4200/src_app_items-management_items-management_module_ts.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/src_app_model-management_model-management_module_ts.js: Unexpected 503 response from http://127.0.0.1:4200/src_app_model-management_model-management_module_ts.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/src_app_key-management_key-management_module_ts.js: Unexpected 503 response from http://127.0.0.1:4200/src_app_key-management_key-management_module_ts.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/default-src_app_model-management_services_items_service_ts-src_app_model-management_services_-687318.js: Unexpected 503 response from http://127.0.0.1:4200/default-src_app_model-management_services_items_service_ts-src_app_model-management_services_-687318.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/src_app_gum_gum_module_ts.js: Unexpected 503 response from http://127.0.0.1:4200/src_app_gum_gum_module_ts.js.map: connect ECONNREFUSED 127.0.0.1:4200
Could not read source map for http://localhost:4200/src_app_biot_biot_module_ts.js: Unexpected 503 response from http://127.0.0.1:4200/src_app_biot_biot_module_ts.js.map: connect ECONNREFUSED 127.0.0.1:4200
我在这里找到了一个更简单的解决方案。
使用 VSCode 1.74.0、Angular 14 和 NodeJS 18,我只是将resolveSourceMapLocations
属性添加到我的launch.json
:
{
"name": "Chrome debug",
"type": "chrome",
"request": "launch",
"url": "http://localhost:4200",
"webRoot": "${workspaceFolder}",
"preLaunchTask": "starter",
"sourceMaps": true,
"resolveSourceMapLocations": [
"${workspaceFolder}/**",
"!**/node_modules/**"
],
}
无需更新package.json
服务配置。
我的系统:Ubuntu 22,节点18.11
我想通了,这取决于两件事:节点版本或主机 ip
我切换到节点 16.18,它起作用了。
它也不取决于我的launch.json
配置。 不需要“sourceMaps”:
{
"version": "0.2.0",
"configurations": [
{
"type": "chrome",
"request": "attach",
"name": "Attach to browser",
"port": 9222
}
]
}
另一个修复(使用节点 18)是修改package.json
:
"start": "ng serve --host=127.0.0.1",
代替:
"start": "ng serve",
我将 NodeJS 降级到版本 14.19.x,它为我解决了这个问题。
我实际上遇到了同样的问题(使用 Angular 14 和 NX)。 调试器可以在节点 16 上工作,但不能在节点 18 上工作。
使它起作用的是将标志“--host=127.0.0.1”添加到启动脚本中。
"start": "ng serve --host=127.0.0.1"
我的启动 json:
"version": "0.2.0",
"configurations": [
{
"name": "Debug Frontend",
"type": "pwa-chrome",
"request": "launch",
"preLaunchTask": "Serve Frontend",
"url": "http://localhost:4200/#",
"webRoot": "${workspaceFolder}",
"sourceMaps": true,
"sourceMapPathOverrides": {
"webpack:/*": "${webRoot}/*",
"/./*": "${webRoot}/*",
"/src/*": "${webRoot}/src/*",
"/*": "*",
"/./~/*": "${workspaceFolder}/node_modules/*"
}
}
我的任务.json
{
"version": "2.0.0",
"tasks": [
{
"label": "Serve Frontend",
"type": "npm",
"script": "start:frontend",
"isBackground": true,
"presentation": {
"focus": true,
"panel": "dedicated"
},
"group": {
"kind": "build",
"isDefault": true
},
"problemMatcher": {
"owner": "typescript",
"source": "ts",
"applyTo": "closedDocuments",
"fileLocation": ["relative", "${cwd}"],
"pattern": "$tsc",
"background": {
"activeOnStart": true,
"beginsPattern": {
"regexp": "(.*?)"
},
"endsPattern": {
"regexp": "Compiled |Failed to compile."
}
}
}
}
]
}
我最近遇到了同样的问题,我可以通过添加建议的行来解决这个问题:“start”:“ng serve --host=127.0.0.1”
有效。 但是,每次我想调试时,我都必须记住从显式主机开始 ng。 我运行“ng version”,突然命令抱怨 Angular 不支持 Node.js v.18!
我已经卸载了 Node.js v.18,然后安装了 v.16。 这已经完全解决了问题。
这些年来,我一直在并行工作,参与从版本 7 到最新版本的 Angular 个项目,我学到了一些东西。
我们使用的版本Angular和Nodejs一定要对齐。
查看有关 Angular CLI、Angular、Node.js、TypeScript 和 RxJS 版本兼容性之间兼容性的有用答案。
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