Upgrading to :

<dependency>
  <groupId>org.hibernate.javax.persistence</groupId>
  <artifactId>hibernate-jpa-2.1-api</artifactId>
  <version>1.0.0.Draft-10</version>
</dependency>

causes the following exception using Java 6:

org.apache.maven.surefire.util.SurefireReflectionException: java.lang.reflect.InvocationTargetException; nested exception is java.lang.reflect.InvocationTargetException: null
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:103)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:74)
Caused by: java.lang.UnsupportedClassVersionError: javax/persistence/Entity : Unsupported major.minor version 51.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
	at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:247)
	at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:95)
	at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:107)
	at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:31)
	at sun.reflect.annotation.AnnotationParser.parseSig(AnnotationParser.java:370)
	at sun.reflect.annotation.AnnotationParser.parseAnnotation(AnnotationParser.java:181)
	at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:69)
	at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:52)
	at java.lang.Class.initAnnotationsIfNecessary(Class.java:3070)
	at java.lang.Class.getAnnotation(Class.java:3029)
	at org.testng.internal.annotations.JDK15AnnotationFinder.findAnnotationInSuperClasses(JDK15AnnotationFinder.java:84)
	at org.testng.internal.annotations.JDK15AnnotationFinder.findAnnotation(JDK15AnnotationFinder.java:150)
	at org.testng.internal.TestNGClassFinder.isTestNGClass(TestNGClassFinder.java:230)
	at org.testng.internal.TestNGClassFinder.<init>(TestNGClassFinder.java:107)
	at org.testng.TestRunner.initMethods(TestRunner.java:409)
	at org.testng.TestRunner.init(TestRunner.java:235)
	at org.testng.TestRunner.init(TestRunner.java:205)
	at org.testng.TestRunner.<init>(TestRunner.java:153)
	at org.testng.SuiteRunner$DefaultTestRunnerFactory.newTestRunner(SuiteRunner.java:522)
	at org.testng.SuiteRunner.init(SuiteRunner.java:157)
	at org.testng.SuiteRunner.<init>(SuiteRunner.java:111)
	at org.testng.TestNG.createSuiteRunner(TestNG.java:1273)
	at org.testng.TestNG.createSuiteRunners(TestNG.java:1260)
	at org.testng.TestNG.runSuitesLocally(TestNG.java:1114)
	at org.testng.TestNG.run(TestNG.java:1031)
	at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:177)
	at org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:92)
	at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:105)
	... 9 more

Results :

Seems the API is compiled using JDK 7. Is this necessary?

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