Android Studio依赖库重复问题

Error:Execution failed for task ':app:transformClassesWithDexForDebug'.

com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\jdk1.7\bin\java.exe'' finished with non-zero exit value 2

求解决啊！！！

o依赖库重复问题
Error:Execution failed for task ':app:transformClassesWithDexForDebug'.
com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\jdk1.7\bin\java.exe'' finished with non-zero exit value 2
求解决啊！！！