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POHow to recognize a a http error code from within GWT?
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  1. POHow to recognize a a http error code from within GWT?
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    copied!<p>When my users try to do an action our website after their session has expired (for instance, if they left their browser open), the server responds with a HTTP Status 405 because the user is no longer logged in. </p> <p>When this happens, I want to redirect the user to the login screen. </p> <p>How can I recognize when a 405 error code is returned within GWT so I can then redirect the users?</p> <p>Thanks</p> <p><strong>Edit:</strong> Here's the filter I'm using:</p> <pre><code>public class AuthenticationFilter implements Filter { public void destroy() { } public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { if (req instanceof HttpServletRequest) { boolean isLoggedIn = CustomSecurity.login((HttpServletRequest)req); if (isLoggedIn) { // TODO: How to redirect the user here??? } } chain.doFilter(req, res); } public void init(FilterConfig arg0) throws ServletException { } } </code></pre> <p><strong>web.xml</strong> content:</p> <pre><code>&lt;filter&gt; &lt;filter-name&gt;Authentication Filter&lt;/filter-name&gt; &lt;filter-class&gt;com.company.AuthenticationFilter&lt;/filter-class&gt; &lt;/filter&gt; &lt;filter-mapping&gt; &lt;filter-name&gt;Authentication Filter&lt;/filter-name&gt; &lt;url-pattern&gt;/*&lt;/url-pattern&gt; &lt;/filter-mapping&gt; </code></pre> <p>How can I make that redirect the user? Also, is there a way to force the whole browser to redirect? Since this goes into a widget, I think a Window.Location.assign('url') will only redirect the widget's HTML content.</p>
 

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