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出这个错是咋回事?description The server encountered an internal error () that prevented it from fulfilling this request

热度:201   发布时间:2016-04-17 14:09:40.0
出这个错是怎么回事??description The server encountered an internal error () that prevented it from fulfilling this request.
type   Exception   report

message  

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

exception  

org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root   cause  

java.lang.NullPointerException
org.apache.jsp.submit_jsp._jspService(submit_jsp.java:107)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note   The   full   stack   trace   of   the   root   cause   is   available   in   the   Apache   Tomcat/5.0.30   logs.



------解决方案--------------------
怎么没人回?

大概是程序溢出问题,具体的也不知道什么,用金山快译吧!~遇到过,像获取登陆文本框值没汉化,空处理什么的就会出现,具体意思要看做的是什么啦!
------解决方案--------------------
NullPointerException

空指针异常,调试一下吧

org.apache.jsp.submit_jsp._jspService(submit_jsp.java:107)
到Tomcat\work\Catalina\localhost\projectName\下面找到这个java文件,看看107行,看看可能错在哪来,也许能加快调试速度
------解决方案--------------------
报的是107行错,应该是这几行:

Connection con=mybean.getConnection( "bysj ");
Statement stmt1=con.createStatement();
Statement stmt2=con.createStatement();
String str= "select v8_Name from advanced_individual_apply where v8_Name= ' "+v8_Name+ " ' ";
ResultSet rs=stmt1.executeQuery(str);
------解决方案--------------------
Connection con=mybean.getConnection( "bysj ");//DB.DBConnManager中没有getConnection(str)方法,无法返回一个Connection
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