Spring erro ao salvar

Erro ao salvar o jpa me diz que não ta com entity manager:

@Service
public class CadastroClientesService {

@Autowired
private Clientes clientes;

public void salvar(Cliente cliente){
	clientes.save(cliente);
}

}

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is javax.persistence.TransactionRequiredException: No EntityManager with actual transaction available for current thread - cannot reliably process ‘persist’ call

org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)

org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)

javax.servlet.http.HttpServlet.service(HttpServlet.java:661)

org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)

javax.servlet.http.HttpServlet.service(HttpServlet.java:742)

org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Root Cause

javax.persistence.TransactionRequiredException: No EntityManager with actual transaction available for current thread - cannot reliably process ‘persist’ call

org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:282)

com.sun.proxy.$Proxy61.persist(Unknown Source)

org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:506)

sun.reflect.GeneratedMethodAccessor490.invoke(Unknown Source)

sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

java.lang.reflect.Method.invoke(Unknown Source)

org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:503)

org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:488)

org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:460)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:61)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)

org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)

org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:133)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)

org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213)

com.sun.proxy.$Proxy65.save(Unknown Source)

sun.reflect.GeneratedMethodAccessor636.invoke(Unknown Source)

sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

java.lang.reflect.Method.invoke(Unknown Source)

org.zeroturnaround.javarebel.integration.util.ReloadingProxyFactory$ReloadingMethodHandler.invoke(SourceFile:74)

com.sun.proxy.$Proxy65.save(Unknown Source)

sun.reflect.GeneratedMethodAccessor636.invoke(Unknown Source)

sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

java.lang.reflect.Method.invoke(Unknown Source)

org.zeroturnaround.javarebel.integration.util.ReloadingProxyFactory$ReloadingMethodHandler.invoke(SourceFile:74)

com.sun.proxy.$Proxy65.save(Unknown Source)

com.local.service.CadastroClientesService.salvar(CadastroClientesService.java:16)

com.local.controller.ClienteController.cadastrar(ClienteController.java:53)

sun.reflect.GeneratedMethodAccessor631.invoke(Unknown Source)

sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

java.lang.reflect.Method.invoke(Unknown Source)

org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)

org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)

org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114)

org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)

org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)

org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)

org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)

org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)

org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)

org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)

javax.servlet.http.HttpServlet.service(HttpServlet.java:661)

org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)

javax.servlet.http.HttpServlet.service(HttpServlet.java:742)

org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

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