Gradle Error: Connection timed out connect.

本文介绍了解决Gradle连接超时的具体步骤,包括设置本地Gradle分发、修改build.gradle文件中的classpath、更新gradle-wrapper.properties文件中的distributionUrl等。

Error:Connection timed out: connect. If you are behind an HTTP proxy, please configure the proxy settings either in IDE or Gradle.

 

解决方案:
1、settings->Build,Execution,Deployment->Build Tools->Gradle->Use local gradle distribution->Gradle home 指定gradle为本地已下载的gradle 如gradle-2.4

2、修改工程根目录下的build.gradle 中的 classpath 为 指定gradle版本以支持 上述中gradle home指定的gradle版本号 如:gradle-2.4 对应的 classpath 如下:

classpath 'com.android.tools.build:gradle:1.5.0'

3、在gradle->wrapper->gradle-wrapper.properties 将distributionUrl改为对应的gradle版本下载路径,如下:

distributionUrl=https\://services.gradle.org/distributions/gradle-2.4.zip

4、Sync Project with Gradle Files
 

Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source! Launching lib\main.dart on sdk gphone64 x86 64 in debug mode... Running Gradle task 'assembleDebug'... Exception in thread "main" java.net.ConnectException: Connection timed out: connect at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Unknown Source) at java.base/sun.nio.ch.Net.connect(Unknown Source) at java.base/sun.nio.ch.NioSocketImpl.connect(Unknown Source) at java.base/java.net.SocksSocketImpl.connect(Unknown Source) at java.base/java.net.Socket.connect(Unknown Source) at java.base/sun.security.ssl.SSLSocketImpl.connect(Unknown Source) at java.base/sun.security.ssl.BaseSSLSocketImpl.connect(Unknown Source) at java.base/sun.net.NetworkClient.doConnect(Unknown Source) at java.base/sun.net.www.http.HttpClient.openServer(Unknown Source) at java.base/sun.net.www.http.HttpClient.openServer(Unknown Source) at java.base/sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source) at java.base/sun.net.www.protocol.https.HttpsClient.New(Unknown Source) at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source) at java.base/sun.net.www.protocol.http.HttpURLConnection.followRedirect0(Unknown Source) at java.base/sun.net.www.protocol.http.HttpURLConnection.followRedirect(Unknown Source) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source) 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) Retrying Gradle Build: #1, wait time: 100ms [!] Gradle threw an error while downloading artifacts from the network. Running Gradle task 'assembleDebug'...
08-25
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