关于Android java.lang.RuntimeException: java.net.UnknownHostException: services.gradle.org

问题描述:

下载了一个新的工程遇到,无法下载gradle包的问题,错误日志如下

Downloading https://services.gradle.org/distributions/gradle-4.1-all.zip

Exception in thread "main" java.lang.RuntimeException: java.net.UnknownHostException: services.gradle.org
        at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:78)
        at org.gradle.wrapper.Install.createDist(Install.java:47)
        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:129)
        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:48)
Caused by: java.net.UnknownHostException: services.gradle.org
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:589)
        at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673)
        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.(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:1156)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1564)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263)
        at org.gradle.wrapper.Download.downloadInternal(Download.java:59)
        at org.gradle.wrapper.Download.download(Download.java:45)
        at org.gradle.wrapper.Install$1.call(Install.java:60)
        at org.gradle.wrapper.Install$1.call(Install.java:47)
        at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65)
        ... 3 more

解决方法1(更改代理)

  1. 找到gradlew.bat,用记事本打开
  2. 更改以下部分,保存,然后重新运行
DEFAULT_JVM_OPTS="-Dhttp.proxyHost=XXXX -Dhttp.proxyPort=XXXX -Dhttp.proxyUser=XXXX -Dhttp.proxyPassword=XXXX  -Dhttps.proxyHost=XXXX -Dhttps.proxyPort=XXXX -Dhttps.proxyUser=XXXX-Dhttps.proxyPassword=XXXX"

解决方法2(自行下载)

  1. 访问 http://services.gradle.org/distributions/
  2. 下载对应的包(我用的迅雷)
  3. 把zip压缩包拷贝进入C:\Users\用户名.gradle\wrapper\dists\gradle-4.1-all
  4. 重新运行gradlew clean即可

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