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Windows update and Chrome = broken app?

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    Windows update and Chrome = broken app?

    A couple of us noticed pretty quick today that our A5 app buttons often do nothing at all when clicked. The CSS shows the hover, etc. but click does nothing, and the Chrome console shows no information about the click at all. Some items work, other menus don't work at all. But this is new behavior / a new problem. So, why? I've changed nothing in my app in the last 24 hours.

    Both of us also know what our computers ran automatic Windows updates this morning. Might that be the cause?

    This is not an issue in Firefox - haven't tried anything else yet.

    Anyone else experiencing this?


    Update: I see an occasional "Failed to load resource net::ERR_CACHE_MISS" in the Chrome console. I also a thread in my googling around that someone else had a similar issue after a .NET update. Probable cause here?
    Last edited by Steve Workings; 11-25-2014, 03:45 PM.
    -Steve
    sigpic

    #2
    Re: Windows update and Chrome = broken app?

    The ERR_CACHE_MISS stuff is Chrome information... more than an error... and has to do with caching. I've seen it for a couple of months now and it has no effort on Alpha at all.

    Comment


      #3
      Re: Windows update and Chrome = broken app?

      Steve, we use Chrome and have been having the same issue.

      One of our users reported that if they press the F5 key, it will re-enable the buttons.

      Please let me know if you find what the root cause is.

      Comment


        #4
        Re: Windows update and Chrome = broken app?

        Thanks Rick. I've been surprised that no one else has responded yet. We also think it may be limited to users of Windows 7x. Do you have any observations about that?
        -Steve
        sigpic

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          #5
          Re: Windows update and Chrome = broken app?

          Steve, you might be on to something. My development computer is Windows 8 and I have not been able to duplicate the problem. Our client is running Windows 7 on 60+ computers and they are the ones having the issue.

          Comment


            #6
            Re: Windows update and Chrome = broken app?

            If you are using a Load Balancer, check the firmware for updates. We had the same issue awhile back. We were on a shared LB and, for other reasons, switched to a dedicated LB. The dedicated LB's firmware was up-to-date and that resolved the issue.

            Comment


              #7
              Re: Windows update and Chrome = broken app?

              Thanks Jay. As you and I are both customers of Zebrahost, I asked them about this. Jason checked (within minutes of my asking I might add) and says your LB and mine are running the same version of firmware.
              -Steve
              sigpic

              Comment


                #8
                Re: Windows update and Chrome = broken app?

                Steve,

                We have a couple of components that use programmatic tab control where a button is being used to open or "show" contents in a Pane. The buttons stopped working when we upgraded. IF this is your problem look at the script to call the pane and make sure that you are using the pane number in the logic and not the pane ID.

                This doesn't work - {dialog.object}.selectTabPane('TAB_1','Pane1');

                This does - {dialog.object}.selectTabPane('TAB_1',2); were 2 is the number of the pane.

                Hope this helps you or anyone else that uses this feature.

                Tracie

                Comment


                  #9
                  Re: Windows update and Chrome = broken app?

                  Probably totally useless comment here, so ignore me if so.

                  Building on the prior 'Pressing F5 Key' post.

                  F5 is the default 'Refresh' for all browsers and Windows Explorer.

                  Train of logic: using the Windows UrlDownloadToFile API will often retrieve out of date info if UrlDeleteCacheEntry API is not invoked first.

                  This is essentially the same as hitting F5 to purge a specific Cached page.

                  If the Windows update has changed a reference at say a specific dll insertion point, although it may not be enough to not force a refresh of cached values or cause a dll error, it may return a bad value and therefore cause a failure to invoke - simply because it's reading from a cached value rather than a forced refresh via F5.

                  I'd be curious to know if others with this issue have tried hitting F5 to see if it makes a difference.

                  Gary

                  Comment


                    #10
                    Re: Windows update and Chrome = broken app?

                    Anyone else have a thought? While I've shown Alpha the problem (gave 'em a login to my site to see first-hand) they say they can't reproduce it so we're outta luck at the moment. I really hate to have to spend the time to create a repeatable test case for this one -- it's a bit elusive.
                    -Steve
                    sigpic

                    Comment


                      #11
                      Re: Windows update and Chrome = broken app?

                      Originally posted by Steve Workings View Post
                      ...our A5 app buttons often do nothing at all when clicked
                      Steve, does this only happen when there is a UX on the page with a LIST control or does it also happen when just grid components are on the page?
                      If it only happens when there is a LIST control on a UX then that might be a clue. I reported a few weeks back about the UX LIST control discarding function keys, like F5, that should be forwarded onto the browser to handle.

                      Comment


                        #12
                        Re: Windows update and Chrome = broken app?

                        No Rich. The page where I most reliably have the problem is just a big menu based on a UX, with a tabbed object containing lots of buttons. I'm simplifying somewhat -- there is a PageTop.A5W, device-specific CSS, a feature that incorporates Zendesk and more. But, no list control. Thing is, this has been working just fine for somewhere over two years.
                        -Steve
                        sigpic

                        Comment


                          #13
                          Re: Windows update and Chrome = broken app?

                          I'm seeing the same error and doing a Google, I see a StackOverflow thread:

                          http://stackoverflow.com/questions/2...urce-neterr-ca

                          They're indicating that it's a benign error and can be fixed by upgrading to a later version of Chrome but that doesn't seem to be the case for folks here. For me I'm noticing it in a failed login (which may be the result of something else) ...

                          Comment


                            #14
                            Re: Windows update and Chrome = broken app?

                            Hi Steve,

                            Not sure if you have the issue sorted out yet. But if not, I know it was mentioned earlier that the load balancer might be the problem. As noted, older versions were causing a problem for IE8 and that the newer software fixed it. So we do know that load balancers can cause application issues. But in this case its Google Chrome so it might be a brand new bug. Have you tried accessing your site directly at the server level (i.e. the IP of one of your WAS, not through the load balancer?) That was how we figured out that it was the load balancer causing the problem, because when we hit the server directly it worked fine. Also why Alpha could never duplicate the bug.

                            Comment


                              #15
                              Re: Windows update and Chrome = broken app?

                              Thanks for the suggestion Scott. I just tried it but it didn't resolve anything.

                              As Kevin noted and David dismissed, the Failed to load resource: net::ERR_CACHE_MISS message may well be at issue here -- I just don't know. And I'm always on the latest version of Chrome.
                              -Steve
                              sigpic

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