HTTP Status 500 - X is not mapped [from X]; nested exception

HTTP Status 500 - Unable to compile class for JSP: type Exception report message Unable to compile class for JSP: description The server encountered an internal error that prevented it from fulfilling this request. exception org.apache.jasper.JasperE

getWriter()和getOutputStream()不能同时调用 HTTP Status 500 ? Internal Server Error Type Exception Report Message getWriter() has already been called for this response Description The server encountered an unexpected condition that prevented it from fulfilli

今天遇到一个tomcat的部署的问题,问题根源在于server.xml 的配置里. 错误如标题,说HTTP Status 500 - javax.servlet.ServletException:XXX文件找不到,几经查找测试,程序并没有错误,有人说是jsp-api.jar和serlet-api.jar包冲突,调试发现并不能解决问题,后来才发现问题的所在: 开始的server.xml 配置对Host 以及其内的Context 是如下配置的: <Host name="localhost&qu

主要错误信息如下: HTTP Status 500 - org.apache.ibatis.binding.BindingException: Invalid bound statement (not found) description The server encountered an internal error that prevented it from fulfilling this request. exception java.lang.RuntimeException: org

HTTP Status 500 - org.apache.jasper.JasperException: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: 2 字节的 UTF-8 序列的字节 2 无效. 当tomcat容器中仅仅有某个web应用不能访问,或者总是时不时出现错误,有可能在应用中某个重要使用的配置文件或者其他文件中存在无法解码的字符,就是乱码. 此次出现的异常如上,原因为 自定义标签库

HTTP Status 500 - Wrapper cannot find servlet class com.servlet.servlet.RegServlet or a class it depends on type Exception report message Wrapper cannot find servlet class com.servlet.servlet.RegServlet or a class it depends on description The server

HTTP Status 500 - Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.reflection.ReflectionException: There is no getter for property named 'ItemsCustom' in 'class com.mybati

当用Eclipse开发web时,因为没有servlet和jsp的jar包,无法顺利的进行开发工作,而当把jar包放入webapps的lib目录中后,项目中的servlet和jsp的jar包会和tomcat中的jsp和servlet包冲突,会造成访问任何的jsp页面,都会报"HTTP Status 500 - java.lang.NullPointerException"的错误 解决方法:在maven的web项目中(或者通过Eclipse建立的web project),不要在pom文件中

HTTP Status 500 - Request processing failed; nested exception is org.springframework.jdbc.BadSqlGrammarException: type Exception report message Request processing failed; nested exception is org.springframework.jdbc.BadSqlGrammarException: descriptio