android Error:Execution failed for task ':app:transformClassesWithJarMergingForRelease'
2017-09-16 15:31
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android studio运行没问题,打包出现如下错误(也有可能运行也出现以上问题,雷同):
Error:Execution failed for task ':app:transformClassesWithJarMergingForRelease'.
> com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: com/umeng/analytics/AnalyticsConfig.class。
一、从错误字面意思理解一下,jar merging for relsease,jar包合并 释放,意思就是jar包应该合并释放掉不用的;
为什么有这么一说,合并???只有相同的jar包才能够合并,这里又有个知识点,安卓系统引入同一个jar包,默认只会加载高版本,有例为证(我是参考一片文章,改文章给我很大的帮助 http://www.mobibrw.com/2016/3777,可以去查看):
在Android Studio的 Terminal下敲 gradlew -q app:dependencies ,其中app对应项目module名词
![](https://img-blog.csdn.net/20170916155531720?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZmVpODEwNzExcGVuZw==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
jar包依赖关系可以从里面看到,同时,如果两个存在两个相同的jar包,默认加载高版本jar:
+--- com.android.support:appcompat-v7:24.2.1
| +--- com.android.support:support-v4:24.2.1
| | +--- com.android.support:support-compat:24.2.1
| | | \--- com.android.support:support-annotations:24.2.1 -> 25.3.0
| | +--- com.android.support:support-media-compat:24.2.1
| | | \--- com.android.support:support-compat:24.2.1 (*)
| | +--- com.android.support:support-core-utils:24.2.1
| | | \--- com.android.support:support-compat:24.2.1 (*)
| | +--- com.android.support:support-core-ui:24.2.1
| | | \--- com.android.support:support-compat:24.2.1 (*)
| | \--- com.android.support:support-fragment:24.2.1
| | +--- com.android.support:support-compat:24.2.1 (*)
| | +--- com.android.support:support-media-compat:24.2.1 (*)
| | +--- com.android.support:support-core-ui:24.2.1 (*)
| | \--- com.android.support:support-core-utils:24.2.1 (*)
| +--- com.android.support:support-vector-drawable:24.2.1
二、根据自己的错误详细信息查询是哪个jar包冲突了,再次不在阐述。
Error:Execution failed for task ':app:transformClassesWithJarMergingForRelease'.
> com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: com/umeng/analytics/AnalyticsConfig.class。
一、从错误字面意思理解一下,jar merging for relsease,jar包合并 释放,意思就是jar包应该合并释放掉不用的;
为什么有这么一说,合并???只有相同的jar包才能够合并,这里又有个知识点,安卓系统引入同一个jar包,默认只会加载高版本,有例为证(我是参考一片文章,改文章给我很大的帮助 http://www.mobibrw.com/2016/3777,可以去查看):
在Android Studio的 Terminal下敲 gradlew -q app:dependencies ,其中app对应项目module名词
jar包依赖关系可以从里面看到,同时,如果两个存在两个相同的jar包,默认加载高版本jar:
+--- com.android.support:appcompat-v7:24.2.1
| +--- com.android.support:support-v4:24.2.1
| | +--- com.android.support:support-compat:24.2.1
| | | \--- com.android.support:support-annotations:24.2.1 -> 25.3.0
| | +--- com.android.support:support-media-compat:24.2.1
| | | \--- com.android.support:support-compat:24.2.1 (*)
| | +--- com.android.support:support-core-utils:24.2.1
| | | \--- com.android.support:support-compat:24.2.1 (*)
| | +--- com.android.support:support-core-ui:24.2.1
| | | \--- com.android.support:support-compat:24.2.1 (*)
| | \--- com.android.support:support-fragment:24.2.1
| | +--- com.android.support:support-compat:24.2.1 (*)
| | +--- com.android.support:support-media-compat:24.2.1 (*)
| | +--- com.android.support:support-core-ui:24.2.1 (*)
| | \--- com.android.support:support-core-utils:24.2.1 (*)
| +--- com.android.support:support-vector-drawable:24.2.1
二、根据自己的错误详细信息查询是哪个jar包冲突了,再次不在阐述。
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