resolve « Error « JSP-Servlet Q&A

1. Using String.toLowerCase() without getting a resolve error, JSP

I have a final question on my piece of code. As a last thing i want to build in a function which will ignore the case sensitivity. So "user" and "USER" ...

2. How to resolve SAXParseException Error?

Caused by: org.xml.sax.SAXParseException: Attribute "class" is required and must be specified for element type "listener".
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.error(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.addDTDDefaultAttrsAndValidate(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.handleStartElement(Unknown Source)
at org.apache.xerces.impl.dtd.XMLDTDValidator.emptyElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
at ...

3. compiler javabean error:cannot resolve symbol; what happend???

i am working at bea weblogic8.1 and jdk141_03. i work in weblogic's sigle-server development environment. directory as follow: C:\bea\weblogic81\server\bin\applications\aaaa\WEB-INF\classes\BAS.class C:\bea\weblogic81\server\bin\applications\aaaa\index.jsp jsp as follow: <%@ page language="java" contentType="text/html;charset=gb2312"%> this is test as follow: import*; public class BAS { private int Count; public BAS(){ Count = 0; } public int getCount(){ Count++; return Count; ...

4. jsp error cannot resolve Symbol

7. How to resolve this error