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Build Identifier: 3.6m7 There's an underlying bug in Mozilla (https://bugzilla.mozilla.org/show_bug.cgi?id=571593) that causes pages to not finish loading. Thus SWT Browser doesn't get the completed event in the ProgressListener. That seems fairly reasonable. However, this also means that nothing can be run on the UI thread (that wasn't initiated by the UI thread), which seems less desirable. I'm going to attach a reproducer, but images need to be disabled before it will have the effect. Reproducible: Always Steps to Reproduce: 1. Disable images in the SWT Mozilla browser: put a file with permissions.image.enabled=2 in ~/.mozilla/eclipse/user.js 2. Load a page that does not finish loading: http://www.atlanta.net/visitors/calendarofevents.aspx 3. Wait until it looks loaded (10 seconds or something), then run anything on Display.asyncExec or Display.syncExec. It will never be executed, waiting on a RunnableLock that is never coming back.
Created attachment 171859 [details] Reproducer of Display thread hang Must disable images in SWT Mozilla browser before this will reproduce.
Mozilla was removed from SWT and was replaced with webkit. Then we ported to Webkit2. On webkit2 this works afaik as webkit2 is async and runs a callback when page finished loading. Please open a new bug if the issue still occurs.
