Not sure ... you could take a look at http://tomcat.apache.org/tomcat-5.5-doc/logging.html. Tomcat's always provided a complete stack and cited the code in error for me without any changes in logging config.

You could also post the complete jsp you are using for a test. See if the error stands out to one of us on the list.

--David

Mohammed Zabin wrote:

I did this, but i think that there is an option to enable logging, do u know
it?

On 7/25/07, David Smith <[EMAIL PROTECTED]> wrote:


I'm starting to think there's something really funny (ie broken) with
your tomcat install.  Could you clean install another instance of tomcat
(preferably downloaded from the tomcat website) and check the code there?

--David

Mohammed Zabin wrote:
> This is all the exception message, I looked inside logs folder, i
> found an
> empty file, it continas nothing :~
>
> On 7/25/07, David Smith <[EMAIL PROTECTED]> wrote:
>>
>> Your stack trace appears to be incomplete.  Could you post more?  It
>> appears to be a compile error and should cite the code in question.
>>
>> --David
>>
>> Mohammed Zabin wrote:
>> > For test purposes, i have wrote the following code as a java program
>> > and it
>> > worked fine, but when I tried it in a jsp page i got the following
>> error:
>> >
>> > Class.forName("com.mysql.jdbc.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") );
>> > }
>> >
>> >
>> > org.apache.jasper.JasperException: Unable to compile class for JSP:
>> >
>> >
>> >
>> > Stacktrace:
>> >     org.apache.jasper.compiler.DefaultErrorHandler.javacError(
>> DefaultErrorHandler.java:85)
>> >
>> >     org.apache.jasper.compiler.ErrorDispatcher.javacError(
>> ErrorDispatcher.java:330)
>> >
>> >     org.apache.jasper.compiler.JDTCompiler.generateClass(
>> JDTCompiler.java:415)
>> >
>> >     org.apache.jasper.compiler.Compiler.compile(Compiler.java:308)
>> >     org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)
>> >     org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)
>> >     org.apache.jasper.JspCompilationContext.compile(
>> JspCompilationContext.java:566)
>> >
>> >     org.apache.jasper.servlet.JspServletWrapper.service(
>> JspServletWrapper.java:308)
>> >
>> >
>> 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)
>> >
>> >
>> >


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