Error : Unsupported major.minor version 52.0

 

 

Android Studio Update 되면서 buildToolsVersion 이 24.0.0이 기본 설정 

 

build 시 아래의 에러 발생

 

Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0

Error: at java.lang.ClassLoader.defineClass1(Native Method)

Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

Error: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

Error: at java.security.AccessController.doPrivileged(Native Method)

Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:480)

Error:Exception in thread "main" 

:app:transformClassesWithDexForDebug FAILED

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

> com.android.build.api.transform.TransformException: java.lang.RuntimeException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.7.0_04\bin\java.exe'' finished with non-zero exit value 1

Information:BUILD FAILED

Information:Total time: 1.172 secs

Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0

Error: at java.lang.ClassLoader.defineClass1(Native Method)

Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

Error: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

Error: at java.security.AccessController.doPrivileged(Native Method)

Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:480)

Error:Exception in thread "main" 

Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0

Error: at java.lang.ClassLoader.defineClass1(Native Method)

Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

Error: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

Error: at java.security.AccessController.doPrivileged(Native Method)

Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:480)

Error:Exception in thread "main" 

Error:java.lang.UnsupportedClassVersionError: com/android/dx/command/Main : Unsupported major.minor version 52.0

Error: at java.lang.ClassLoader.defineClass1(Native Method)

Error: at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

Error: at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

Error: at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

Error: at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

Error: at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

Error: at java.security.AccessController.doPrivileged(Native Method)

Error: at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

Error: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

Error: at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

Error: at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:480)

Error:Exception in thread "main" 

 

 

해결방법 : 

1. buildToolsVersion을 하위 버전으로 낮춘다. 

2. jdk 1.8을 설치하고 jdk location 을 1.8로 설정해 준다.

File->Other Settings -> Default Project Structure