:transformClassesWithDexForDebug

错误提示：

:transformClassesWithDexForDebug FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':transformClassesWithDexForDebug'.
> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: java.lang.UnsupportedOperationException

环境：android studio2.2

//build.gradle设置一下项目
defaultConfig {    
      applicationId "com.application.packageName"    
      minSdkVersion 14    
      targetSdkVersion 21    
      multiDexEnabled true    //设置为true（重点）
}
dexOptions {    
      preDexLibraries false   
      jumboMode true   
     javaMaxHeapSize "4g"//增加编译内存
}