Question

我无法弄清楚错误......它位于app：preDexDebug - 关于jdk安装文件夹中的java.exe。

:app:compileDebugSources UP-TO-DATE
:app:preDexDebug
UNEXPECTED TOP-LEVEL EXCEPTION:
java.lang.RuntimeException: Exception parsing classes
    at com.android.dx.command.dexer.Main.processClass(Main.java:752)
    at com.android.dx.command.dexer.Main.processFileBytes(Main.java:718)
    at com.android.dx.command.dexer.Main.access$1200(Main.java:85)
    at com.android.dx.command.dexer.Main$FileBytesConsumer.processFileBytes(Main.java:1645)
    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:672)
    at com.android.dx.command.dexer.Main.processAllFiles(Main.java:574)
    at com.android.dx.command.dexer.Main.runMonoDex(Main.java:311)
    at com.android.dx.command.dexer.Main.run(Main.java:277)
    at com.android.dx.command.dexer.Main.main(Main.java:245)
    at com.android.dx.command.Main.main(Main.java:106)
Caused by: 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.parseClass(Main.java:764)
    at com.android.dx.command.dexer.Main.access$1500(Main.java:85)
    at com.android.dx.command.dexer.Main$ClassParserTask.call(Main.java:1684)
    at com.android.dx.command.dexer.Main.processClass(Main.java:749)
    ... 12 more
1 error; aborting
Error:Execution failed for task ':app:preDexDebug'.
> com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_79\bin\java.exe'' finished with non-zero exit value 1
Information:BUILD FAILED
Information:Total time: 12.31 secs
Information:1 error
Information:0 warnings
Information:See complete output in console

希望你知道答案！：）

Answer 1

您可能正在使用JDK 1.8并且尚未将sourceCompatibility和targetCompatibility设置为1.6或1.7，因为Android仅支持Java 1.6（并取决于您的身份）一些Java 1.7特性的ADT版本/ API级别）。有关详细信息，请参阅this bug report。

编译时出错 - 执行失败的地方是：app：preDexDebug＆＃39;

1 个答案: