Re: GWT 2.7 manifest support

1.) GWT 2.7. has a timestamp bug which causes the app.nocache.js file to have the same timestamp as the App.gwt.xml file.

=> upgrade GWT to latest trunk version (e.g. 2.8-SNAPSHOT from Maven) until 2.8 is released.

2.) You MUST make your HTTP headers right for files you want to cache and files that should always be checked if a new version is present on the server. The gwt-cache-filter project sets correct caching headers for anything that GWT generates, e.g. files that contain *.cache.* or *.nocache.* in their file name. All other files will have the default HTTP caching headers set by your server. I don't know what your server does by default, you have to check that yourself. 

If you want other files to have correct caching headers then you must configure your server to do so. Since you now use the gwt-cache-filter project you could also just rename other files to the same naming scheme that GWT uses and add *.cache.* or *.nocache.* to their file name (e.g. Infos_de.nocache.html)

3.) If you use the Precompress Linker and a filter that serves a *.gz file (if present) then you kind of work around problem 1.) since the Precompress Linker will create a new file (e.g. app.nocache.js.gz) with a fresh, up-to-date timestamp on every compile.

So you MUST fix 2.) otherwise your app will be broken anyways. Thats something every GWT app must configure properly. Once you fixed that you have the choice:

- Use GWT 2.7 and apply the Precompress Linker to workaround the timestamp bug in GWT 2.7. However older browsers that do not accept *.gz files will still see wrong app behavior. But such old browsers are probably not your target browsers anyways

- You upgrade to GWT 2.8-SNAPSHOT (GWT trunk build) to fix the timestamp issue. Then it does not matter if you use the Precompress Linker or not.

-- J.

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