HTTP状态 500 - 内部服务器错误
类型 异常报告
消息 An exception occurred processing [jsp/LoadFile.jsp] at line [21]
描述 服务器遇到一个意外的情况，阻止它完成请求。
例外情况
org.apache.jasper.JasperException: An exception occurred processing [jsp/LoadFile.jsp] at line [21]
18: Statement pme = connect.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
19: /* //createStatement()创建一个 Statement对象来将 SQL语句发送到数据库。从数据库里面取东西对比 */
20: String rs = "select * from users where workid = '"+num+"'";
21: ResultSet s = pme.executeQuery(rs);
22: if(s.next()){
23: Statement stmt = connect.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
24: String sql = "select * from users where workid='"+num+"'and password='"+userpassword+"'";
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:610)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:489)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
根本原因。
javax.servlet.ServletException: org.postgresql.util.PSQLException: ERROR: relation "users" does not exist
Position: 15
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:657)
org.apache.jsp.jsp.LoadFile_jsp._jspService(LoadFile_jsp.java:179)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
根本原因。
org.postgresql.util.PSQLException: ERROR: relation "users" does not exist
Position: 15
org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2552)
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2284)
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:322)
org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:481)
org.postgresql.jdbc.PgStatement.execute(PgStatement.java:401)
org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:322)
org.postgresql.jdbc.PgStatement.executeCachedSql(PgStatement.java:308)
org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:284)
org.postgresql.jdbc.PgStatement.executeQuery(PgStatement.java:236)
org.apache.jsp.jsp.LoadFile_jsp._jspService(LoadFile_jsp.java:139)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:466)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:379)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:327)
javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
):注意 主要问题的全部 stack 信息可以在 server logs 里查看
Apache Tomcat/9.0.50
