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error says missing braces, I think otherwise??

6 replies on 1 page. Most recent reply: Sep 6, 2002 5:00 AM by Preeti

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Sid Northfield

Posts: 20
Nickname: northfield
Registered: Aug, 2002

error says missing braces, I think otherwise??

Posted: Sep 1, 2002 12:21 PM

I am working on a small jsp program to retrieve information from request form. I have done similar things with reguest.getParameter("nameOfParameter"): but getting errors when I try with

Enumeration getParameterNames()
String[] getParameterValues(String paramName)

Please help?

Here is the JSP file called exercise.jsp
<HTML>
<HEAD><TITLE>A JSP that navigates the query string</TITLE></HEAD>
<BODY>
<% Enumeration names = request.getParameterNames();
if(names.hasMoreElements()) {%>
<P>Parameters:
<% while(names.hasMoreElements()) {
String name = (String)names.nextElement(); %>
<P><%= name %>
<UL>
<% String[] values = request.getParameterValues(name);
for(int i = 0; i < values.length; i++) { %>
<LI><%= values%>
<% }%>
</UL>
<% }
} else {%>
There is no query string
}%>
</BODY>
</HTML>

Here is the html file:

<HTML>
<HEAD><TITLE>Sid's Credit Card Information Form</TITLE></HEAD>
<BODY>
<FORM ACTION="exercise.jsp" METHOD="POST">
Sid's Credit Card Information
<P> Name: <INPUT TYPE="TEXT" NAME="name" SIZE="25">
<P> Credit Card Number: <INPUT TYPE="TEXT" NAME="number" SIZE="25">
<P> Credit Card Type:
<SELECT NAME="type">
<OPTION>Visa</OPTION>
<OPTION>Master Card</OPTION>
<OPTION SELECTED>Amex</OPTION>
</SELECT>
<P> Expiration Date:
<SELECT NAME="month">
<OPTION SELECTED>01</OPTION> <OPTION>02</OPTION>
<OPTION>03</OPTION> <OPTION>04</OPTION>
<OPTION>05</OPTION> <OPTION>06</OPTION>
<OPTION>07</OPTION> <OPTION>08</OPTION>
<OPTION>09</OPTION> <OPTION>10</OPTION>
<OPTION>11</OPTION> <OPTION>12</OPTION>
</SELECT>
<SELECT NAME="year">
<OPTION>2000</OPTION> <OPTION SELECTED>2001</OPTION>
<OPTION>2002</OPTION> <OPTION>2003</OPTION>
<OPTION>2004</OPTION> <OPTION>2005</OPTION>
</SELECT>
<P>
<INPUT TYPE="RESET" NAME="Reset" VALUE="Reset">
<INPUT TYPE="SUBMIT" NAME="Submit" VALUE="Submit"></TD>
</FORM>
</BODY>
</HTML>

Here is the error:

Internal Servlet Error:

org.apache.jasper.JasperException: Unable to compile D:\tomcat\jakarta-tomcat-3.3.1\work\DEFAULT\myJSPs\jsp\Hour10\exercise_1.java:1 07: 'catch' without 'try'.
} catch (Exception ex) {
^
D:\tomcat\jakarta-tomcat-3.3.1\work\DEFAULT\myJSPs\jsp\Hour10\exercise_1.ja va:123: 'try' without 'catch' or 'finally'.
}
^
D:\tomcat\jakarta-tomcat-3.3.1\work\DEFAULT\myJSPs\jsp\Hour10\ex ercise_1.java:123: '}' expected.
}
^
3 errors

at org.apache.tomcat.facade.JasperLiaison.javac(JspInterceptor.java:898)
at org.apache.tomcat.facade.JasperLiaison.processJspFile(JspInterceptor.java:733)
at org.apache.tomcat.facade.JspInterceptor.requestMap(JspInterceptor.java:506)
at org.apache.tomcat.core.ContextManager.processRequest(ContextManager.java:968)
a t org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:875)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:833)
at org.apache.tomcat.modules.server.Http10Interceptor.processConnection(Http10Inte rceptor.java:176)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:494)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:5 16)
at java.lang.Thread.run(Thread.java:484)

I have looked and counted the number of opening brackets { and closing brackets } and both tally.

The problem with JSP errors is not like java errors jdk (j2se) where they give a line number????

What else could be the problem?

Javed

Posts: 15
Nickname: javedm
Registered: Aug, 2002