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From David Smith <d...@cornell.edu>
Subject Re: MySql Connector
Date Thu, 26 Jul 2007 10:02:50 GMT
Oh.... and just one more thing -- use com.mysql.jdbc.Driver as 
org.gjt.mm.mysql.Driver is ancient.

--David

David Smith wrote:
> 1. This can't be the complete jsp code.  If it is, you need to 
> minimally wrap it in <%    %> markers to indicate it's raw java code, 
> not jsp/html.  Additionally your System.out.println() call would end 
> up going to the JVM's standard output instead of the browser.
>
> 2. The listed exception is really secondary to the main problem 
> occurring whenever the jsp compile fails to generate a .class file.  
> There has to be an earlier exception detailing the syntax problems 
> with the jsp.
>
> --David
>
> Mohammed Zabin wrote:
>> This is my jsp code:
>> try {
>>          Class.forName("org.gjt.mm.mysql.Driver");
>>          String url = "jdbc:mysql://localhost:3306/exam";
>>          Connection con = DriverManager.getConnection(url,"root", 
>> "exam");
>>               Statement stmt = con.createStatement();
>>               ResultSet rs = stmt.executeQuery("Select type from
>> questions");
>>
>>               while( rs.next() ) {
>>      System.out.println( rs.getString("type") );
>>          }
>>
>>          } catch( Exception e ) {
>>        }
>>
>> and this is what i got:
>>
>> *exception*
>>
>> org.apache.jasper.JasperException: org.apache.jasper.JasperException:
>> Unable to load class for JSP
>>     org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:154)

>>
>>     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:320)

>>
>>     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) 
>>
>>     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>>
>>  *root cause*
>>
>> org.apache.jasper.JasperException: Unable to load class for JSP
>>     org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:600)

>>
>>     org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:142)

>>
>>     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:320)

>>
>>     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) 
>>
>>     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>>
>>  *root cause*
>>
>> java.lang.ClassNotFoundException: org.apache.jsp.mySql_jsp
>>     java.net.URLClassLoader$1.run(URLClassLoader.java:200)
>>     java.security.AccessController.doPrivileged(Native Method)
>>     java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>>     org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:134) 
>>
>>     org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) 
>>
>>     org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:598)

>>
>>     org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:142)

>>
>>     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:320)

>>
>>     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) 
>>
>>     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
>>
>>
>> Any suggestions, please?
>>
>> On 7/25/07, Christopher Schultz <chris@christopherschultz.net> wrote:
>>  
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA1
>>>
>>> Mohammed,
>>>
>>> Mohammed Zabin wrote:
>>>    
>>>> I have the following error:
>>>>
>>>> org.apache.jasper.JasperException: Unable to compile class for JSP:
>>>>       
>>> Uhh... you have a syntax error in your JSP code. Fix that, then we'll
>>> get back to configuration issues. You didn't give enough information to
>>> help with the JSP syntax error.
>>>
>>> - -chris
>>>
>>> -----BEGIN PGP SIGNATURE-----
>>> Version: GnuPG v1.4.7 (MingW32)
>>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>>>
>>> iD8DBQFGp2lm9CaO5/Lv0PARAvlRAJ45KuixS2Fy75ssMLQLwUYhA+DjOACgtiTN
>>> nZhKt8DoIGh8UFwV+Ri6qWI=
>>> =syvt
>>> -----END PGP SIGNATURE-----
>>>
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>>>
>>>     
>>
>>   
>
>
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