Could not resolve com.android.tools.build:gradle:2.3.0.

wjjs2008

开始......
   
保存配置信息:
   
环境初始化:
   
编译UI2资源:
   开始......
      
  
   2018-08-06 20:31:49 复制资源成功
   2018-08-06 20:31:49 开始生成首页...
   2018-08-06 20:31:49 生成首页成功
   2018-08-06 20:31:49 cordova plugin: cordova-plugin-device,cordova-plugin-app-version,com.justep.cordova.plugin.baidulocation,cordova-plugin-spinner-dialog,cordova-plugin-keyboard,com.justep.cordova.plugin.weixin.v3,com.justep.cordova.plugin.alipay,com.justep.cordova.plugin.bmap,cordova-plugin-geolocation,com.justep.cordova.plugin.unionpay,cordova-plugin-x-toast,cordova-plugin-inappbrowser,cordova-plugin-appavailability,cn.jpush.phonegap.JPushPlugin,
   2018-08-06 20:31:49 services:
   编译UI资源:
      
   完成。
   
编译UIX资源:
   
编译UI资源:
   
环境初始化:
   
   开始......
   
      Installing "cordova-plugin-splashscreen" for ios
      Installing "cordova-plugin-app-preferences" for android
      Installing "cordova-plugin-app-preferences" for ios
      Installing "cordova-plugin-file-transfer" for android
      Dependent plugin "cordova-plugin-file" already installed on android.
      Installing "cordova-plugin-file-transfer" for ios
      Dependent plugin "cordova-plugin-file" already installed on ios.
      Installing "cordova-plugin-network-information" for android
      Installing "cordova-plugin-network-information" for ios
      Installing "cordova-plugin-zip" for android
      Dependent plugin "cordova-plugin-file" already installed on android.
      Installing "cordova-plugin-zip" for ios
      Dependent plugin "cordova-plugin-file" already installed on ios.
      Installing "cordova-plugin-inappbrowser" for android
      Installing "cordova-plugin-inappbrowser" for ios
      Installing "cordova-plugin-x-toast" for android
      Installing "cordova-plugin-x-toast" for ios
      Installing "com.justep.cordova.plugin.app.utils" for android
      Dependent plugin "cordova-plugin-file" already installed on android.
      Dependent plugin "cordova-plugin-file-transfer" already installed on android.
      Dependent plugin "cordova-plugin-network-information" already installed on android.
      Dependent plugin "cordova-plugin-zip" already installed on android.
      Dependent plugin "cordova-plugin-inappbrowser" already installed on android.
      Dependent plugin "cordova-plugin-x-toast" already installed on android.
      Installing "com.justep.cordova.plugin.app.utils" for ios
      Dependent plugin "cordova-plugin-file" already installed on ios.
      Dependent plugin "cordova-plugin-file-transfer" already installed on ios.
      Dependent plugin "cordova-plugin-network-information" already installed on ios.
      Dependent plugin "cordova-plugin-zip" already installed on ios.
      Dependent plugin "cordova-plugin-inappbrowser" already installed on ios.
      Dependent plugin "cordova-plugin-x-toast" already installed on ios.
      Installing "com.justep.cordova.plugin.engine.tencent" for android
      Installing "com.justep.cordova.plugin.engine.tencent" for ios
      Installing "cordova-plugin-device" for android
      Installing "cordova-plugin-device" for ios
      Installing "cordova-plugin-app-version" for android
      Installing "cordova-plugin-app-version" for ios
      Installing "com.justep.cordova.plugin.baidulocation" for android
      Installing "com.justep.cordova.plugin.baidulocation" for ios
      Installing "cordova-plugin-spinner-dialog" for android
      Installing "cordova-plugin-spinner-dialog" for ios
      Installing "cordova-plugin-keyboard" for android
      Installing "cordova-plugin-keyboard" for ios
      Installing "com.justep.cordova.plugin.bmap" for android
      Installing "com.justep.cordova.plugin.bmap" for ios
      Installing "cordova-plugin-geolocation" for android
      Dependent plugin "com.justep.cordova.plugin.baidulocation" already installed on android.
      Installing "cordova-plugin-geolocation" for ios
      Dependent plugin "com.justep.cordova.plugin.baidulocation" already installed on ios.
      Installing "cordova-plugin-appavailability" for android
      Installing "cordova-plugin-appavailability" for ios
      -----platforms: android,ios context.hook: after_plugin_add
      Running android-install.Hook: after_plugin_add, Package: com.wex5.takeout, Path: D:\WeX5_V3.7\model\Native\澶栧崠\build\src.
      D:\WeX5_V3.7\model\Native\澶栧崠\build\src\platforms\android\src\cn\jpush\phonegap
      插件安装完成
      
   创建源代码工程:
      
   生成源代码:
      
   完成。
环境初始化:
   
   开始......
      
   生成应用环境准备:
      
   android应用环境准备:
      
   ios应用环境准备:
      
   生成android应用包:
      -----platforms: android context.hook: after_prepare
      Running command: cmd "/s /c "D:\WeX5_V3.7\model\Native\澶栧崠\build\src\platforms\android\cordova\build.bat --release --gradleArg=--offline""
      ANDROID_HOME=D:\WeX5_V3.7\tools\adt-sdk
      JAVA_HOME=D:\WeX5_V3.7\java\jre1.8
      Running: D:\WeX5_V3.7\model\Native\澶栧崠\build\src\platforms\android\gradlew cdvBuildRelease -b D:\WeX5_V3.7\model\Native\澶栧崠\build\src\platforms\android\build.gradle -Dorg.gradle.daemon=true --offline
      
      FAILURE: Build failed with an exception.
      
      * What went wrong:
      A problem occurred configuring root project 'android'.
      > Could not resolve all dependencies for configuration ':classpath'.
         > Could not resolve com.android.tools.build:gradle:2.3.0.
           Required by:
               project :
            > No cached version of com.android.tools.build:gradle:2.3.0 available for offline mode.
            > No cached version of com.android.tools.build:gradle:2.3.0 available for offline mode.
      
      * Try:
      Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
      
      BUILD FAILED
      
      Total time: 1.872 secs
      ERROR building one of the platforms: Error: cmd: Command failed with exit code 1
      You may not have the required environment or OS to build this project
      
      D:\WeX5_V3.7\model\Native\澶栧崠\build\src\platforms\android\cordova\node_modules\q\q.js:126
                          throw e;
                          ^
      Error code 1 for command: cmd with args: /s /c "D:\WeX5_V3.7\model\Native\澶栧崠\build\src\platforms\android\gradlew cdvBuildRelease -b D:\WeX5_V3.7\model\Native\澶栧崠\build\src\platforms\android\build.gradle -Dorg.gradle.daemon=true --offline"
      Error: cmd: Command failed with exit code 1
   ****ERROR****: 子任务 "exec" 执行失败。
   ****ERROR****: 任务 "buildAndroid" 执行失败。
   ****ERROR****: 执行出错：
   ****ERROR****: 错误信息: exec returned: 1
   ****ERROR****: 如不能确定具体问题，可参考常见问题: http://bbs.wex5.com/thread-82002-1-1.html
   C:\Users\ADMINI~1\AppData\Local\Temp\d9940304-0a04-49ff-ad06-61cf892ce2bf\pack.xml:91: exec returned: 1
           at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:643)
           at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:669)
           at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:495)
           at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
           at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
           at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
           at java.lang.reflect.Method.invoke(Method.java:497)
           at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
           at org.apache.tools.ant.Task.perform(Task.java:348)
           at org.apache.tools.ant.Target.execute(Target.java:435)
           at org.apache.tools.ant.Target.performTasks(Target.java:456)
           at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1393)
           at org.apache.tools.ant.Project.executeTarget(Project.java:1364)
           at com.justep.deploy.app.utils.BuildHelper.execTask(Unknown Source)
           at com.justep.deploy.app.utils.Builder.main(Unknown Source)
****ERROR****: 子任务 "java" 执行失败。
****ERROR****: 任务 "pack" 执行失败。
****ERROR****: 执行出错：
****ERROR****: 错误信息: Java returned: -3
****ERROR****: 如不能确定具体问题，可参考常见问题: http://bbs.wex5.com/thread-82002-1-1.html

jishuang

修改Native下自己工程下的build.properties文件， 找到

offline=false
改为
#offline=false
然后重新打包看看

wjjs2008

当前设置就是#offline=false