導入罐子到的Android Studio項目

目前，我得到這個錯誤：導入罐子到的Android Studio項目

UNEXPECTED TOP-LEVEL EXCEPTION: 
com.android.dx.cf.iface.ParseException: bad class file magic (cafebabe) or version (0034.0000) 
    at com.android.dx.cf.direct.DirectClassFile.parse0(DirectClassFile.java:472) 
    at com.android.dx.cf.direct.DirectClassFile.parse(DirectClassFile.java:406) 
    at com.android.dx.cf.direct.DirectClassFile.parseToInterfacesIfNecessary(DirectClassFile.java:388) 
    at com.android.dx.cf.direct.DirectClassFile.getMagic(DirectClassFile.java:251) 
    at com.android.dx.command.dexer.Main.processClass(Main.java:704) 
    at com.android.dx.command.dexer.Main.processFileBytes(Main.java:673) 
    at com.android.dx.command.dexer.Main.access$300(Main.java:83) 
    at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:602) 
    at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284) 
    at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166) 
    at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144) 
    at com.android.dx.command.dexer.Main.processOne(Main.java:632) 
    at com.android.dx.command.dexer.Main.processAllFiles(Main.java:510) 
    at com.android.dx.command.dexer.Main.runMonoDex(Main.java:280) 
    at com.android.dx.command.dexer.Main.run(Main.java:246) 
    at com.android.dx.command.dexer.Main.main(Main.java:215) 
    at com.android.dx.command.Main.main(Main.java:106) 
...while parsing db/DbFacade.class 

1 error; aborting 

FAILED 

FAILURE: Build failed with an exception. 

* What went wrong: 
Execution failed for task ':app:preDexDebug'. 
> com.android.ide.common.internal.LoggedErrorException: Failed to run command: 
    E:\Program Files (x86)\Android\sdk\build-tools\build-tools-21.1.2\dx.bat --dex --output E:\Documents\Workspaces\AndroidStudio\Peanuts\app\build\intermediates\pre-dexed\debug\Peanuts-d65a672244db794ef4112fb86dd03a66b2b8790f.jar E:\Documents\Workspaces\AndroidStudio\Peanuts\app\libs\Peanuts.jar 
Error Code: 
    1 
Output: 

    UNEXPECTED TOP-LEVEL EXCEPTION: 
    com.android.dx.cf.iface.ParseException: bad class file magic (cafebabe) or version (0034.0000) 
     at com.android.dx.cf.direct.DirectClassFile.parse0(DirectClassFile.java:472) 
     at com.android.dx.cf.direct.DirectClassFile.parse(DirectClassFile.java:406) 
     at com.android.dx.cf.direct.DirectClassFile.parseToInterfacesIfNecessary(DirectClassFile.java:388) 
     at com.android.dx.cf.direct.DirectClassFile.getMagic(DirectClassFile.java:251) 
     at com.android.dx.command.dexer.Main.processClass(Main.java:704) 
     at com.android.dx.command.dexer.Main.processFileBytes(Main.java:673) 
     at com.android.dx.command.dexer.Main.access$300(Main.java:83) 
     at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:602) 
     at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284) 
     at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166) 
     at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144) 
     at com.android.dx.command.dexer.Main.processOne(Main.java:632) 
     at com.android.dx.command.dexer.Main.processAllFiles(Main.java:510) 
     at com.android.dx.command.dexer.Main.runMonoDex(Main.java:280) 
     at com.android.dx.command.dexer.Main.run(Main.java:246) 
     at com.android.dx.command.dexer.Main.main(Main.java:215) 
     at com.android.dx.command.Main.main(Main.java:106) 
    ...while parsing db/DbFacade.class 

    1 error; aborting

我的app /庫做了一個目錄下的「庫」。與我的「build」和「src」目錄相同。

然後我將我的jar（「Peanuts.jar」）複製到該文件夾中。

接下來，我右鍵單擊它並選擇「添加爲庫」。

這個.jar使用2個其他jar，一個用於json，另一個用於mysql。我創建了一個日蝕，出口> JAVA> RUNNALE JAR的JAR，並檢查「提取所需的庫到生成的JAR

我app.iml包含：

<orderEntry type="library" exported="" name="Peanuts" level="project" />

我的build.gradle包含：

dependencies { 
    compile fileTree(include: ['*.jar'], dir: 'libs') 
    compile 'com.android.support:appcompat-v7:21.0.+' 
    compile files('libs/Peanuts.jar') 
}

來源

2015-03-24 Koen Demonie

見http://stackoverflow.com/questions/2466 2801/bad-class-file-magic-or-version – nhaarman 2015-03-24 23:55:34

似乎有些奇怪，因爲jar也是在java 1.8中構建的。 Android Studio也設置爲1.8 – 2015-03-25 00:15:52

這是因爲花生和程序兼容性有一些共同的文件，請嘗試移除程序兼容性和乾淨，重新構建應用程序，它可能會工作得很好。

來源

2015-03-25 07:00:20

導入罐子到的Android Studio項目

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