Gradle sync failed: Cause: java.lang.NullPointerException
2017-08-23 14:23
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android studio更新了一下gradle,结果悲剧了!!!!
出现了Gradle 'xxxx' project refresh failed错误;
还有一个错误信息:Gredle project sync failed. Basic functionality(e.g. editing, debugging) will not work properly.
详细信息如下截图
![](http://img.blog.csdn.net/20170823135138250?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYW5kcm9pZGZzemw=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
蛋疼的 3.0.0-beta2 版本!!!!!更新后也不知到是怎么回事项目就不能运行了......
解决方法网上有很多,所以我的不一定是和大家。解决方法如下:
1、在android studio的安装目录下\gradle\m2repository\com\android\tools\build\builder文件家里,可以看到有一个3.0.0-beta2的文件夹,如图:
![](http://img.blog.csdn.net/20170823140015781?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYW5kcm9pZGZzemw=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
2、我之前的版本是
3.0.0-alpha8 ,所以我替换后的结果如下图:
![](http://img.blog.csdn.net/20170823140325722?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYW5kcm9pZGZzemw=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
3、在android studio的安装目录下\gradle\m2repository\com\android\tools\build还有几个文件夹里面的3.0.0-beta2,也需要替换成 3.0.0-alpha8,具体目录如下图:
![](http://img.blog.csdn.net/20170823140508670?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYW5kcm9pZGZzemw=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
4、将这些都替换完之后,修改项目父gradle里classpath,修改前如下:
修改后如下:
如图:
![](http://img.blog.csdn.net/20170823141555611?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYW5kcm9pZGZzemw=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
然后重启android studio,就可以了,如果没把上面提到的几个文件夹里面的都替换调,就会提示更新,项目依然不能运行,所以一定要全部替换掉。
其实知道自己的之前是什么版本的话,最好是替换成自己之前的版本。不清楚的,请下载我上传的3.0.0-alpha8,下载地址:
http://download.csdn.net/download/androidfszl/9946506
出现了Gradle 'xxxx' project refresh failed错误;
还有一个错误信息:Gredle project sync failed. Basic functionality(e.g. editing, debugging) will not work properly.
详细信息如下截图
蛋疼的 3.0.0-beta2 版本!!!!!更新后也不知到是怎么回事项目就不能运行了......
解决方法网上有很多,所以我的不一定是和大家。解决方法如下:
1、在android studio的安装目录下\gradle\m2repository\com\android\tools\build\builder文件家里,可以看到有一个3.0.0-beta2的文件夹,如图:
2、我之前的版本是
3.0.0-alpha8 ,所以我替换后的结果如下图:
3、在android studio的安装目录下\gradle\m2repository\com\android\tools\build还有几个文件夹里面的3.0.0-beta2,也需要替换成 3.0.0-alpha8,具体目录如下图:
4、将这些都替换完之后,修改项目父gradle里classpath,修改前如下:
classpath 'com.android.tools.build:gradle:3.0.0-beta2'
修改后如下:
classpath 'com.android.tools.build:gradle:3.0.0-alpha8'
如图:
然后重启android studio,就可以了,如果没把上面提到的几个文件夹里面的都替换调,就会提示更新,项目依然不能运行,所以一定要全部替换掉。
其实知道自己的之前是什么版本的话,最好是替换成自己之前的版本。不清楚的,请下载我上传的3.0.0-alpha8,下载地址:
http://download.csdn.net/download/androidfszl/9946506
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