jboss+jsf
用jboss做服务器开发jsf，调用不到受管理bean。
<tr>
　　 <td> 添加考题 </td>
　　 <td> <h:inputText   value= "#{managequestion.a} "/> </td>
</tr>
将value中的#{managequestion.a}去掉，就一切正常。
程序绝对没问题，在tomcat上运行一切正常。

以下是错误信息：
HTTP   Status   500   -

type   Exception   report

message

description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request.

exception

org.apache.jasper.JasperException:   javax.servlet.jsp.JspException:   java.lang.UnsupportedClassVersionError:   managerbean/ManagerQuestion   (Unsupported   major.minor   version   49.0)
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:512)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)

root   cause

javax.servlet.ServletException:   javax.servlet.jsp.JspException:   java.lang.UnsupportedClassVersionError:   managerbean/ManagerQuestion   (Unsupported   major.minor   version   49.0)
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:839)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:776)
org.apache.jsp.addquestion_jsp._jspService(addquestion_jsp.java:88)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:334)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
org.jbos