Ant编译之java.lang.IllegalArgumentException: already added:_ant预编译 abstractprocessor java.lang.illegalargument-优快云博客

本文链接：https://blog.youkuaiyun.com/ZFY11/article/details/80029850

本文介绍了解决使用ANT编译工具打包安卓应用时遇到的jar包冲突问题的方法。通过删除引起冲突的第三方jar包，成功解决了错误并完成了编译。

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用ANT编译打安卓apk包时，又一次遇见问题了：如下

UNEXPECTED TOP-LEVEL EXCEPTION:
[exec]java.lang.IllegalArgumentException: already added: Lcom/meiqia/meiqiasdk/activity/MQConversationActivity$1;
[exec] at com.android.dx.dex.file.ClassDefsSection.add(ClassDefsSection.java:122)
[exec] at com.android.dx.dex.file.DexFile.add(DexFile.java:161)
[exec] at com.android.dx.command.dexer.Main.processClass(Main.java:732)
[exec] at com.android.dx.command.dexer.Main.processFileBytes(Main.java:673)
[exec] at com.android.dx.command.dexer.Main.access$300(Main.java:82)
[exec] at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:602)
[exec] at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284)
[exec] at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
[exec] at com.android.dx.cf.direct.ClassPathOpener.processDirectory(ClassPathOpener.java:229)
[exec] at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:158)
[exec] at com.android.dx.cf.direct.ClassPathOpener.processDirectory(ClassPathOpener.java:229)
[exec] at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:158)
[exec] at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
[exec] at com.android.dx.command.dexer.Main.processOne(Main.java:632)
[exec] at com.android.dx.command.dexer.Main.processAllFiles(Main.java:490)
[exec] at com.android.dx.command.dexer.Main.runMultiDex(Main.java:332)
[exec] at com.android.dx.command.dexer.Main.run(Main.java:243)
[exec] at com.android.dx.command.dexer.Main.main(Main.java:214)
[exec] at com.android.dx.command.Main.main(Main.java:106)