Pessoal… estou tentando jogar o valor de uma tabela para outra usando o método post e recebendo o valor pelo request. tá dando erro nos ifs…
<table width="10%" border="1">
<tr>
<td><input name="1" type="submit" value="1"/></td>
<td><input name="2" type="submit" value="2" /></td>
<td><input name="3" type="submit" value="3" /></td>
</tr>
<tr>
<td><input name="4" type="submit" value="4" /></td>
<td><input name="5" type="submit" value="5" /></td>
<td><input name="6" type="submit" value="6" /></td>
</tr>
<tr>
<td><input name="7" type="submit" value="7" /></td>
<td><input name="8" type="submit" value="8" /></td>
<td><input name="9" type="submit" value="9" /></td>
</tr>
</table>
</form>
<br/>
<br/>
<br/>
<br/>
<br/>
<%
String n1 = request.getParameter("1");
String n2 = request.getParameter("2");
String n3 = request.getParameter("3");
String n4 = request.getParameter("4");
String n5 = request.getParameter("5");
String n6 = request.getParameter("6");
String n7 = request.getParameter("7");
String n8 = request.getParameter("8");
String n9 = request.getParameter("9");
%>
<form name="f2" method="post" action="" >
<table width="10%" border="1">
<tr>
<td>.<% if(n1.equals("1")){ out.println(n1); }%>.</td>
<td>.<% if(n2.equals("2")){ out.println(n2); }%>.</td>
<td>.<% if(n3.equals("3")){ out.println(n3); }%>.</td>
</tr>
<tr>
<td>.<% if(n4.equals("4")){ out.println(n4); }%>.</td>
<td>.<% if(n5.equals("5")){ out.println(n5); }%>.</td>
<td>.<% if(n6.equals("6")){ out.println(n6); }%>.</td>
</tr>
<tr>
<td>.<% if(n7.equals("7")){ out.println(n7); }%>.</td>
<td>.<% if(n8.equals("8")){ out.println(n8); }%>.</td>
<td>.<% if(n9.equals("9")){ out.println(n9); }%>.</td>
</tr>
</table>
</form>
ERRO < < << <<<< << < < <<
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org.apache.jasper.JasperException: An exception occurred processing JSP page /teste.jsp at line 58
55:
56: <table width="10%" border="1">
57: <tr>
58: <td>.<% if(n1.equals("1")){ out.println(n1); }%>.</td>
59: <td>.<% if(n2.equals("2")){ out.println(n2); }%>.</td>
60: <td>.<% if(n3.equals("3")){ out.println(n3); }%>.</td>
61: </tr>
Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:551)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
root cause
java.lang.NullPointerException
org.apache.jsp.teste_jsp._jspService(teste_jsp.java:113)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:417)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)