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Created by Dr. Xi on April 26, 2011 20:12:01 Last update: April 28, 2011 15:28:12
An XML schema is a definition of XML files, in XML. It plays the same role as old-time DTDs. Overall, an XML schema file looks like this:
<schema attributeFormDefault = (qualified | u...The attribute meanings: targetNamespace : The name space targeted by the current schema definition. It can be any URI. id and version : For user convenience, the W3C spec defines no semantics for them. xml:lang : Natural language identifier defined by RFC 3306 . attributeFormDefault and elementFormDefault : Set default values for the form attribute for attribute and element declarations. blockDefault and finalDefault : Set default values for the block and final attributes for attribute and element declarations. The W3C defined some built-in datatypes . Examples of primitive datatypes are: string ,...
Created by Dr. Xi on September 17, 2010 21:29:47 Last update: September 17, 2010 21:31:43
With JBoss (Tomcat?), the servlet container always appends the default charset ISO-8859-1 to the Content-Type header of a JSP response. For example, if you are using JSP to render PDF and put the following declaration at the top of the JSP:
<%@ page contentType="application/pdf"%>These would be the headers in the HTTP response (notice that charset=ISO-8859-1 was appended to Content-Type ):
HTTP/1.1 200 OK Server: Apache-Coyote/1.1 X-...And the output would be truncated a few bytes before non-ASCII characters were encountered, without any error messages ! Maybe you don't intend to output binary files with JSP, but still your response would be truncated without warning if the page happens to contain any non-ASCII characters (when the charset is the default charset=ISO-8859-1 ). However, if you...
Created by Fang on July 17, 2010 03:16:53 Last update: July 17, 2010 03:18:25
This error happens when the ordering of elements in web.xml is not correct. For example, in a <servlet> declaration, <servlet-name> should come before <servlet-class> . If you switch the order of <servlet-name> and <servlet-class> , you'll get this error. This was my stack trace in JBoss when I declared <load-on-startup> before <init-param> for a servlet:
DEPLOYMENTS IN ERROR: Deployment "vfszip:/C:/...