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标题: 为什么在创建deveco的项目之后，previewer不显示helloword？ [打印本页]

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作者: zhangyiwei    时间: 2025-3-11 11:01
标题: 为什么在创建deveco的项目之后，previewer不显示helloword？
[md]1. 
2. 报错显示：

Error: Signing material error
at HvigorLogger.errorMessageExit (D:\yidongzhongduan\DevEco Studio\tools\hvigor\hvigor\src\base\log\hvigor-log.js:1:3224)
at SessionIdHelper.readDirBytes (D:\yidongzhongduan\DevEco Studio\tools\hvigor\hvigor\src\base\daemon\session\session-id.js:1:5365)
at D:\yidongzhongduan\DevEco Studio\tools\hvigor\hvigor\src\base\daemon\session\session-id.js:1:4934
at Array.forEach (<anonymous>)
at SessionIdHelper.readFd (D:\yidongzhongduan\DevEco Studio\tools\hvigor\hvigor\src\base\daemon\session\session-id.js:1:4899)
at SessionIdHelper.getKey (D:\yidongzhongduan\DevEco Studio\tools\hvigor\hvigor\src\base\daemon\session\session-id.js:1:3613)
at Object.<anonymous> (D:\yidongzhongduan\DevEco Studio\tools\hvigor\hvigor\src\base\daemon\session\session-id.js:1:7439)
at Module._compile (node:internal/modules/cjs/loader:1364:14)
at Module._extensions..js (node:internal/modules/cjs/loader:1422:10)
at Module.load (node:internal/modules/cjs/loader:1203:32)

Node.js v18.20.1

Process finished with exit code -1



3、IDE:

DevEco Studio 5.0.3 Beta2
Build #DS-233.14475.28.36.509200
Build Version: 5.0.9.200, built on March 6, 2025
Runtime version: 17.0.12+1-b1087.25 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Windows 11.0
GC: G1 Young Generation, G1 Old Generation
Memory: 2048M
Cores: 16
Registry:
idea.plugins.compatible.build=IC-233.14475.2

4、

[/md]

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作者: 鸿蒙小语哥    时间: 2025-3-11 12:33
提问题尽量把报错信息发完整，编译环境、IDE版本说清楚。

你这个大概率是本地环境配置有问题。

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作者: onefan    时间: 2025-3-12 08:47
新建的工程需要稍微改造下，可参考我的pr
https://gitee.com/wanfan_yyds/de ... c770b89fd8cc3b3f368

改造完，再在index.ets启动预览即可。

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