Como Imprimir em PDF com JasperReport?

Pessoal, como imprimir em PDF usando JasperReportsPdfView com spring?
não sei nem se estou no caminho correto, encontrei esse unico exemplo num video do youtube onde tinha o link do projeto, fico muito pertido tbm porque a maioria necessita ter o WEB-INF para configurar, mas estrutura do meu projeto spring nao utiliza esta pasta.

projeto de exemplo que usei; https://mega.nz/#!HQRGlQwI!Pm6THFAflbujX9VnZdiI444kB1HdzwIQSbAKzsHFDsk
video youtube;
https://www.youtube.com/watch?v=W2-xSapWA_U

@GetMapping(value = "/pdf")
    public ModelAndView getPdf(@ModelAttribute Aluno aluno, Model model) {

        model.addAttribute("alunu", aluno);

        JasperReportsPdfView view = new JasperReportsPdfView();

        view.setJdbcDataSource(dataSource);

        view.setUrl("classpath:/jasper/relatorio_aluno_codigo.jasper");
       
        view.setApplicationContext(appContext);

            Map<String, Object> params = new HashMap<>();

            return new ModelAndView(view);

    }

No meu mvcConfig

@Bean
public JasperReportsViewResolver getJasperReportsViewResolver() {
  JasperReportsViewResolver resolver = new JasperReportsViewResolver();
  resolver.setPrefix("classpath:/static/jasper/");
  resolver.setSuffix(".jasper");
  resolver.setReportDataKey("datasource");
  resolver.setViewNames("rpt_*");
  resolver.setViewClass(JasperReportsMultiFormatView.class);
  resolver.setOrder(0);
  return resolver;
}  
@Bean
public InternalResourceViewResolver internalResourceViewResolver() {
	InternalResourceViewResolver resolver = new InternalResourceViewResolver();
	resolver.setPrefix("/templates/academia/");
	resolver.setSuffix(".html");
	return resolver;
}	  

@Override
public void addResourceHandlers(final ResourceHandlerRegistry registry) {
    registry.addResourceHandler("/resources/**").addResourceLocations("/", "/resources/");
}

Exception

2017-05-01 11:29:07.112e[0;39m e[31mERRORe[0;39m e[35m5829e[0;39m e[2m—e[0;39m e[2m[nio-8080-exec-8]e[0;39m e[36mo.a.c.c.C.[.[.[/].[dispatcherServlet] e[0;39m e[2m:e[0;39m Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.context.ApplicationContextException: Could not load JasperReports report from class path resource [resources/jasper/relatorio_aluno_codigo.jasper]; nested exception is java.io.FileNotFoundException: class path resource [resources/jasper/relatorio_aluno_codigo.jasper] cannot be opened because it does not exist] with root cause

java.io.FileNotFoundException: class path resource [resources/jasper/relatorio_aluno_codigo.jasper] cannot be opened because it does not exist
at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:172) ~[spring-core-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.view.jasperreports.AbstractJasperReportsView.loadReport(AbstractJasperReportsView.java:502) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.view.jasperreports.AbstractJasperReportsView.loadReport(AbstractJasperReportsView.java:483) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.view.jasperreports.AbstractJasperReportsView.initApplicationContext(AbstractJasperReportsView.java:312) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.context.support.ApplicationObjectSupport.initApplicationContext(ApplicationObjectSupport.java:120) ~[spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.context.support.WebApplicationObjectSupport.initApplicationContext(WebApplicationObjectSupport.java:76) ~[spring-web-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.context.support.ApplicationObjectSupport.setApplicationContext(ApplicationObjectSupport.java:74) ~[spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at com.diftecnologia.academy.controller.AlunoController.getPdf(AlunoController.java:117) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_131]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_131]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_131]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:220) ~[spring-web-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:134) ~[spring-web-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) ~[tomcat-embed-core-8.5.6.jar:8.5.6]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) ~[tomcat-embed-core-8.5.6.jar:8.5.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) ~[tomcat-embed-core-8.5.6.jar:8.5.6]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.6.jar:8.5.6]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.6.jar:8.5.6]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.6.jar:8.5.6]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.6.jar:8.5.6]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317) ~[spring-security-web-4.1.4.RELEASE.jar:4.1.4.RELEASE]
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) ~[spring-security-web-4.1.4.RELEASE.jar:4.1.4.RELEASE]

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