无法使我的 Spring Boot 应用程序与 jsp 一起工作

Question

我的 spring boot 网络应用有问题。它使用 embedded jetty（它必须是 jetty - 不是 tomcat）并且它使用 jsp 视图。但似乎没有办法让嵌入式码头与 jsp 视图一起工作。实际上，当我运行 mu 应用程序服务器成功启动但当我尝试访问我的网络应用程序的任何 url 时 - 我收到错误：

org.apache.jasper.JasperException: java.lang.IllegalStateException: No Java compiler available
    at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:591) ~[apache-jsp-8.0.27.jar:2.3]
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:397) ~[apache-jsp-8.0.27.jar:2.3]
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) ~[apache-jsp-8.0.27.jar:2.3]
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) ~[apache-jsp-8.0.27.jar:2.3]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) ~[javax.servlet-api-3.1.0.jar:3.1.0]
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812) ~[jetty-servlet-9.2.17.v20160517.jar:9.2.17.v20160517]
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) ~[jetty-servlet-9.2.17.v20160517.jar:9.2.17.v20160517]
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) ~[spring-security-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) ~[jetty-servlet-9.2.17.v20160517.jar:9.2.17.v20160517]
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:108) ~[spring-security-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
......................
Caused by: java.lang.IllegalStateException: No Java compiler available
at org.apache.jasper.JspCompilationContext.createCompiler(JspCompilationContext.java:231) ~[apache-jsp-8.0.27.jar:2.3]
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:577) ~[apache-jsp-8.0.27.jar:2.3]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363) ~[apache-jsp-8.0.27.jar:2.3]

我怎样才能让它工作？有什么办法吗？ 如果 Spring Boot 无法实现，那么有哪些替代方法可以让我的应用在带有 jsp 的嵌入式码头上运行？

这是我在github 上的项目的链接。请看一下并帮助我！如果您尝试在 IDE（推荐 IntelliJ IDEA）中运行它并找到问题的原因，那就太好了。

更新 1 (15.07.2016)

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [sample.jetty.jsp.SampleJettyJspApplication]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:187) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:321) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:313) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at sample.jetty.jsp.SampleJettyJspApplication.main(SampleJettyJspApplication.java:33) [classes/:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_65]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_65]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_65]
    at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_65]
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) [idea_rt.jar:na]
Caused by: java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
    at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:163) ~[spring-core-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:300) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:237) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:204) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:173) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    ... 17 common frames omitted
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContext
    at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_65]
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_65]
    at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_65]
    at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:152) ~[spring-core-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    ... 21 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_65]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_65]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_65]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_65]
    ... 25 common frames omitted

Answer 1

您使用的是 Spring Boot 1.3.6，在 JSP limitations section of the documentation 中显示：

Jetty 目前不能用作带有 JSP 的嵌入式容器。

an enhancement 出现在 Spring Boot 1.4 中，这意味着只要您使用 war 打包，JSP 就可以与嵌入式 Jetty 一起使用。如果您不想等待 1.4.0 发布，增强功能位于 1.4.0.RC1 中，可从https://repo.spring.io/libs-milestone 获得。还有一个可能感兴趣的new sample application。