java.security.AccessControlException:拒绝访问(“java.lang.RuntimePermission”getClassLoader)

java.security.AccessControlException:拒绝访问(“java.lang.RuntimePermission”getClassLoader),java,spring,jsp,spring-mvc,Java,Spring,Jsp,Spring Mvc,我正在编写一个JavaSpringMVC应用程序。当我检查url()时,它没有呈现视图,但抛出如下异常: java.security.AccessControlException: access denied ("java.lang.RuntimePermission" "getClassLoader") at java.security.AccessControlContext.checkPermission(AccessControlContext.java:457) at java.sec

我正在编写一个JavaSpringMVC应用程序。当我检查url()时,它没有呈现视图,但抛出如下异常:

java.security.AccessControlException: access denied ("java.lang.RuntimePermission" "getClassLoader")
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:457)
at java.security.AccessController.checkPermission(AccessController.java:884)
at org.eclipse.jetty.server.handler.ContextHandler$Context.getClassLoader(ContextHandler.java:2390)
at org.apache.jasper.compiler.TagPluginManager.init(TagPluginManager.java:73)
at org.apache.jasper.compiler.TagPluginManager.apply(TagPluginManager.java:57)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:241)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:657)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
My web.xml:

<servlet>
    <servlet-name>static</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>static</servlet-name>
    <url-pattern>/ui/*</url-pattern>
</servlet-mapping>
jsp是一个简单的html文件

<html>
<head>
    <title> Process </title>
</head>
<body>
    <h1> HAHAHAHA!!!! </h1>
</body>
</html>

过程
哈哈哈!!!!

我对SpringMVC非常陌生,所有步骤都遵循教程。有人知道是什么导致了上述异常以及如何解决吗?

您的web.xml是错误的。有关修复的详细信息,请参阅DispatcherSerbvlet。DispatcherSerbvlet将处理控制器映射(它在我的应用程序中工作,我在控制器中放置了一些System.out.print,以验证dispatcher是否找到了正确的映射)。控制器不再需要扩展HttpServlet并实现doGet和doPost方法。
@Controller
@RequestMapping("/processes")
public class ProcessesController {

@RequestMapping(method = RequestMethod.GET)
public ModelAndView printProcesses(){
    ModelAndView model = new ModelAndView("Processes");
    model.addObject("msg", "hello process");
    return model;
}
}
<html>
<head>
    <title> Process </title>
</head>
<body>
    <h1> HAHAHAHA!!!! </h1>
</body>
</html>