关于后台程序java报错问题解决

HTTP Status 500 – Internal Server Error

Type Exception Report
Message Handler processing failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class sun.font.FontScaler
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class sun.font.FontScaler
    org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1280)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:958)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    com.lion.frame.filter.CrossOriginFilter.doFilter(CrossOriginFilter.java:32)
Root Cause
java.lang.NoClassDefFoundError: Could not initialize class sun.font.FontScaler
    sun.font.Type1Font.getScaler(Type1Font.java:638)
    sun.font.Type1Font.getMissingGlyphCode(Type1Font.java:662)
    sun.font.CompositeGlyphMapper.initMapper(CompositeGlyphMapper.java:81)
    sun.font.CompositeGlyphMapper.<init>(CompositeGlyphMapper.java:62)
    sun.font.CompositeFont.getMapper(CompositeFont.java:433)
    sun.font.GlyphList.mapChars(GlyphList.java:269)
    sun.font.GlyphList.setFromChars(GlyphList.java:262)
    sun.java2d.pipe.GlyphListPipe.drawChars(GlyphListPipe.java:103)
    sun.java2d.pipe.ValidatePipe.drawChars(ValidatePipe.java:178)
    sun.java2d.SunGraphics2D.drawChars(SunGraphics2D.java:3036)
    com.lion.common.utils.VerifyCodeUtils.outputImage(VerifyCodeUtils.java:199)
    com.lion.common.utils.VerifyCodeUtils.generateBase64Image(VerifyCodeUtils.java:67)
    com.lion.sp.service.UserService.getLoginCode(UserService.java:1381)
    com.lion.sp.service.UserService$$FastClassBySpringCGLIB$$f9701ca5.invoke(<generated>)
    org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
    org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:708)
    org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
    org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
    org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
    org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644)
    com.lion.sp.service.UserService$$EnhancerBySpringCGLIB$$ba8e046a.getLoginCode(<generated>)
    com.lion.sp.controller.UserController.getLoginCode(UserController.java:911)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:498)
    org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
    org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
    org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
    org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:747)
    org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:676)
    org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
    org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
    org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    com.lion.frame.filter.CrossOriginFilter.doFilter(CrossOriginFilter.java:32)

以上报错问题是因为JDK原因造成以上报错，需要重新导入JDK下的font可解决，也可以重新安装。