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Error JSP - Tomcat

 
Peter Mest
Ranch Hand
Posts: 30
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Could help please with this:


The Error

org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 65

62: int i = 1;
63: ResultSet res;
64: res = batman.querry("SELECT * from db");
65: while (res.next())
66: {
67: %>
68: <tr>

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

java.lang.NullPointerException
org.apache.jsp.index_jsp._jspService(index_jsp.java:121)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)



The code is here: http://www.coderanch.com/t/458921/JSP/java/value-useBean-class-attribute-invalid#2047396
 
Ashutosh Gawande
Greenhorn
Posts: 11
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It not a good practice to write code to connect to DB from JSP but following should help to know the reason

do not supress the exception in connect class line 39
return null;
 
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