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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up GWT DataGrid: missing sort arrow - 404 error up vote 0 down vote favorite I have some problem with DataGrid in GWT. I am trying to implement a DataGrid for my own type, using mainly example from the official GWT Showcase. I was able to work out mostly everything I needed (so far), but there seems to be a problem with sorting that I cannot solve. It seems that sorting mechanism works (I did not implement sorting on backend yet, but I can see that proper calls are made). The problem is that each click on the column header causes following error: GET http://127.0.0.1:8888/sk.tuke.threat.management.Application/clear.cache.gif 404 (Not Found) And the expected arrow icon showing that the column is sorted is substituted with the browser icon for missing picture resource. It at least seems that it gets substituted, for a brief moment after the click it seems that the arrow flashed there, however, then the 404 icon takes place. Can somebody point me out what can be the problem? Comparing my code with GWT Showcase example I cannot see where might be the problem. I only substituted the ListHandler for AsyncHandler, since I am getting the data from the server, but besides that, no change that in my eyes could case some problems with resources. sorting gwt datagrid share|improve this question asked Nov 15 '15 at 21:52 Milan Nosáľ 8710 Start from simple one (samples.gwtproject.org/samples/Showcase/…). Did u face same issue there? –Nikhil Chilwant Nov 23 '15 at 3:43 I face the same problem when I started working with CellBrowser.. there is some kind of bug or maybe a problem in my setup. However, when I build the WAR and deploy to Tomcat (so not using GWT dev server) it works fine. So right now, because of the lack of time, I do not try to resolve it, since it is only a visual problem that disappears in production. –M
on404 error pages Collection of404 error pages 404 Advice: Effective 404 pages Surveys suggest that some 40% of users who run into a 404 Page Not Found error will leave your site. Never to return! Keep those users happy and: keep them on your web site! What a good 404 page should look like: The shock to not find what the user was looking for is big enough. Do no add any confusion with more fanciness. Use your common layout and visual theme to ease the pain. Chose carefully what content you want to serve to your users when they run into a 404 Page Not Found error. To stay http://stackoverflow.com/questions/33725543/gwt-datagrid-missing-sort-arrow-404-error rather general and offer easy access to the major areas of your site will "catch the most flies." A search field and a couple of browse links that are clearly designated to general, major topics of your site are a must. Make an effort to apologize but never too fancy and obvious. 404 Page Not Found errors happen to everyone. A nice way to apologize and immediately lead over to more activity is an obvious special http://www.404errorpages.com/404-advice.htm offer that goes nicely together with your site's overall content. How about a book on the main topic for a nice discount or some additional promotion? You can make a good impression on your users by asking them to submit the page that went wrong. Do not ask them to type anything or contribute in any other complex way. Users will love a simple submit button (write a script that submits the original URL to you instead of asking the users to type it for you). Click for additional advice on 404 errors. Click for a collection of 404 error pages. Wikipedia encyclopedia description of 404 Page Not Found Errors: 404 File Not Found is a message in the case of a "404 error"; it appears in most web browsers when the connection works, and the first part of the URL correctly leads to a working web server, but the rest of the URL specifies a page that does not exist on the server. If the connection does not work, or the first part of the URL is wrong, or the web server does not work, other messages are generated. The 404 error is one of the standard response codes of the web's HTTP protocol. The first 4 indicates a client error such as a mistyped URL. The middle 0 refers to a general syntax erro
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