react native Exception in thread "main" java
发布时间：2020-12-15 05:12:22 所属栏目：百科 来源：网络整理
导读：1.问题 D:rnworkspaceHelloreact-native run-android JS server already running. Building and installing the app on the device (cd android gradlew.bat install Debug)... Downloading https://services.gradle.org/distributions/gradle-2.4-all.zip
1.问题D:rnworkspaceHello>react-native run-android JS server already running.Building and installing the app on the device (cd android && gradlew.bat install Debug)... Downloading https://services.gradle.org/distributions/gradle-2.4-all.zip ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................................ ................................................................. Unzipping C:Usersltn.gradlewrapperdistsgradle-2.4-all6r4uqcc6ovnq6ac6s0tx zcpc0gradle-2.4-all.zip to C:Usersltn.gradlewrapperdistsgradle-2.4-all6r 4uqcc6ovnq6ac6s0txzcpc0 Exception in thread "main" java.util.zip.ZipException: error in opening zip file at java.util.zip.ZipFile.open(Native Method) at java.util.zip.ZipFile.<init>(ZipFile.java:215) at java.util.zip.ZipFile.<init>(ZipFile.java:145) at java.util.zip.ZipFile.<init>(ZipFile.java:159) at org.gradle.wrapper.Install.unzip(Install.java:159) at org.gradle.wrapper.Install.access$500(Install.java:26) at org.gradle.wrapper.Install$1.call(Install.java:69) at org.gradle.wrapper.Install$1.call(Install.java:46) at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAcc essManager.java:65) at org.gradle.wrapper.Install.createDist(Install.java:46) at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:126) at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61) Could not install the app on the device,read the error above for details. Make sure you have an Android emulator running or a device connected and have set up your Android development environment: https://facebook.github.io/react-native/docs/android-setup.html (node:5276) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejec tion id: 2): TypeError: Cannot read property 'message' of undefined 2解决
这问题原因是在你创建工程gradle-2.4-all包下载不完全或者没有下载所致。
1.你可以重新创建工程。
2.下载http://pan.baidu.com/s/1b2Vb2Y包，放在C:Usersxxxx.gradlewrapperdistsgradle-2.4-all下，重新运行
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