连接服务器失败connecttimedout(timed)
搬砖的一天开始了
学习flutter ,新建了一个项目,想要将项目运行到夜神安卓模拟器当中,开发工具使用的是vscode,vscode已经正常连接模拟器,运行报如下异常。。。。
PS D:\workspace\flutter-space\startup_namer> flutter run
Launching lib\main.dart on OPPO R11 Plus in debug mode...
Running Gradle task 'assembleDebug'...
Exception in thread "main" java.net.ConnectException: Connection timed out: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666)
at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1162)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1570)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:268)
at org.gradle.wrapper.Download.downloadInternal(Download.java:58)
at org.GRADLE.wrapper.Download.download(Download.java:44)
at org.gradle.wrapper.Install$1.call(Install.java:61)
at org.Gradle.wrapper.Install$1.call(Install.java:48)
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65)
at org.gradle.wrapper.Install.createDist(Install.java:48)
at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128)
at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
Running Gradle task 'assembleDebug'... 22.2s
Exception: Gradle task assembleDebug failed with exit code 1
通过以上异常信息可以发现应该是在Gradle构建项目时报错,有安卓开发经验应该知道Gradle的下载经常是非常慢的,还经常下载不成功。打开gradle-wrapper.properties 内容如下
#Fri Jun 23 08:50:38 CEST 2017
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
推测项目应该是无法找到GRADLE_USER_HOME,而且系统也没有设置GRADLE_USER_HOME的环境变量,于是配置环境变量,我的gradle是放在D盘
环境变量配置
配置完成之后,重新flutter run...
重跑之后发现gradle的报错已经没有了,但是又报如下ndk错误...
Execution failed for task ':app:stripDebugDebugSymbols'.
> NDK at D:\soft\android-sdk-windows\ndk-bundle did not have a source.properties file
心中浮现了三只草泥马
项目找不到ndk于是打开安卓内的local.properties
flutter.sdk=D:\\soft\\flutter\\flutter
sdk.dir=D:\\soft\\android-sdk-windows
flutter.buildMode=debug
flutter.versionName=1.0.0
flutter.versionCode=1
flutter和sdk配置都没有错,回到sdk目录查看目录如下。。。
安卓sdk目录
什么时候有这么多个ndk文件夹了,可能不设置系统默认找ndk-bundle,但是我下载的ndk其实是被放到了ndk文件夹中了,于是在local.properties中添加一行配置,告诉它去这里找ndk
ndk.dir=D:\\soft\\android-sdk-windows\\ndk\\23.0.7599858
23.0.7599858是应该是ndk的版本。。。报错还有可能是ndk没有下载哦!!!!
重新运行又报错了,但是感觉离成功越来越近了
PS D:\workspace\flutter-space\startup_namer> flutter run
Launching lib\main.dart on OPPO R11 Plus in debug mode...
Running Gradle task 'assembleDebug'... 9.6s
√ Built build\app\outputs\flutter-apk\app-debug.apk.
Installing build\app\outputs\flutter-apk\app.apk... 4.9s
ProcessException: Process exited abnormally:
error: protocol fault (couldn't read status): Connection reset by peer
Command: D:\soft\android-sdk-windows\platform-tools\adb.exe -s 127.0.0.1:62001 shell am start -a android.intent.action.RUN -f 0x20000000 --ez enable-background-compilation true --ez
enable-dart-profiling true --ez enable-checked-mode true --ez verify-entry-points true com.example.startup_namer/com.example.startup_namer.MainActivity
草泥马的漠视
看一下好像是adb的错,可能跟项目没有关系,重跑一次就可以了。
于是我又开始愉快地搬砖了。。。
继续搬
,- 保护心脏的十大方法(|)
- 处女座和什么座配第一名(是处女座的灵魂伴侣)
- 本科生毕业论文格式要求及字体大小(本科毕业论文格式要求是什么)
- 最佳养生方法是睡前(睡前他们可能不做这些事)
- 姜云升在道士圈中名声不好吗(刷新文盲下限)
- 浏览器阅读文本的方法(浏览器也能读写文件了)
- 已投档状态就是录取了吗(2023年河南专升本志愿填报结束后注意事项)
- 一句话高端秀恩爱甜言蜜语大全(低调撒狗粮)
- 补氮最好最快的肥料(但使用时需注意3个问题)
- 微信怎么连续发多个图片(学会一次发送900张图片)
- 怎么查护照办理进度查询(“随申办”出入境专栏可快速预约证件办理)
- 糖果派对新手教程(《糖果派对》分类、数字、数量、大小关系、单双数等玩法分享)
- 最早的扇子是用什么材料做的(扇子极简史)
- 流苏簪子diy教程图解(花千骨同款小发簪学习制作步骤(2))
- 请问小孩子经常感冒是怎么回事(老实说)
- 淘气值是实时更新吗(VIP卡是种什么体验)
- 非齐次线性方程组怎样有解(非齐次线性微分方程的求解)
- 怎么制作手工书签视频(今天跟大家一起来探讨下书签的制作)