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On Friday, November 29, 2019, 8:39 PM, Karen Goh <karenwo...@yahoo.com.INVALID>
wrote:
On Friday, November 29, 2019, 6:59:38 PM GMT+8, Mark Thomas <ma...@apache.org>
wrote:
On 29/11/2019 10:44, Karen Goh wrote:
> Hi experts,
>
>
> Basically, I have now upgraded my dynamic MVC web app to use openJDK 13 and
> running it with Tomcat 9.0.27. Windows OS. Eclipse 2019-09.
>
> Have been trying to tackling the problem with no avail.
>
> Would appreciate some tips on how to make these error go away.
<snip/>
> Caused by: java.lang.IllegalArgumentException: Filter mapping specifies an
> unknown filter name [httpHeaderSecurity]
<snip/>
I am not sure why the error persists even if I change the filter mapping to :
<filter-mapping><filter-name>SessionValidator<filter-name><url-pattern>/login.jsp<url-pattern><filter-mapping>
And here is snippet my Filter :
@WebFilter(“/SessionValidator”)public class SessionValidator implements
Filter....
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException{
......HttpSession session = httpRequest.getSession();If(session.isNew())
{httpResponse.sendRedirect(httpResponse.encodedRedirectURL(httpRequest.getContextPath()
+ “/login.jsp”return;}And then redirect the user to error.html if log in user
is null.
Please let me know what’s wrong.
Thanks
Where and how is this filter specified as being required?
Where and how is this filter defined?
Please see below
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns="http://xmlns.jcp.org/xml/ns/javaee";
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"; version="4.0">
<display-name>Archetype Created Web Application</display-name>
<security-constraint>
<web-resource-collection>
<web-resource-name>Restricted Area</web-resource-name>
<url-pattern>/search.jsp</url-pattern>
</web-resource-collection>
</security-constraint>
<filter>
<filter-name>SessionValidator</filter-name>
<filter-class>Controller.SessionValidator</filter-class>
</filter>
<error-page>
<error-code>404</error-code>
<location>/error.html</location>
</error-page>
<error-page>
<error-code>403</error-code>
<location>/error.html</location>
</error-page>
<error-page>
<error-code>500</error-code>
<location>/error.html</location>
</error-page>
<error-page>
<exception-type>java.lang.Exception</exception-type>
<location>/error.html</location>
</error-page>
</web-app>
Mark
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