As far as I can tell, tomcat did not generate any log. Before and after the problems occur, I did check the log. Nothing showed up. Chen Ding
On Tue, Jul 21, 2009 at 9:05 PM, P T Withington <[email protected]> wrote: > I wouldn't think so. We only use browser switching to enable quirks (i.e., > to handle the case where the browser does not comply with DOM2/CSS2). Our > default is to emit standards-compliant code, which should work in any > compliant browser. > > The fact that the application works correctly sometimes also reenforces > that it is not because of browser-switching on our part. > > I _do_ suspect that our server may emit cacheability information that may > be misinterpreted by browsers that are very aggressive about caching. I'm > hardly the caching expert (I'm not sure anyone is :P), but I do think > caching is a very tricky thing to get right. > > Finally, it would be really interesting to see the Tomcat logs for when the > application does not appear. Possibly the compiler is just bombing (and the > error not being caught) and emitting an empty app? > > > On 2009-07-21, at 08:51EDT, Raju Bitter wrote: > > I'm glad that you could solve your problem, Chen Ding. >> >> Tucker, could this be a problem with the user agent? In that case the page >> should never show, but maybe the problem is connected to it. >> http://code.google.com/p/chromium/issues/detail?id=5985 >> >> >> On Jul 21, 2009, at 1:34 PM, P T Withington wrote: >> >> I suspect there may be some issue in browsers that aggressively try to >>> cache. >>> >>> I have seen similar issues in Safari 4 with Jira where reloading the same >>> page causes just a blank page. >>> >>> This makes me think somebody (either browser or server) is not getting >>> their cache signals straight. >>> >>> On 2009-07-21, at 07:32EDT, Chen Ding wrote: >>> >>> Thanks for the help. It turned out that the problem was not caused by >>>> OpenLaszlo, but by Chrome. The same code, if I use Firefox, it worked >>>> just >>>> fine. >>>> BTW, for your information: >>>> + Java JDK jdk1.6.0_05 >>>> + OS: Linux >>>> + Tomcat: the one that came with OpenLaszlo (tomcat-5.0.24) >>>> >>>> Thanks again for the help! >>>> >>>> Chen Ding >>>> >>>> On Tue, Jul 21, 2009 at 7:21 PM, Raju Bitter <[email protected]> wrote: >>>> >>>> Which versions of other software components do you use? >>>>> + Java JDK >>>>> + OS >>>>> + Tomcat >>>>> >>>>> I'll try to reproduce the problem. >>>>> >>>>> - Raju >>>>> >>>>> On Jul 21, 2009, at 11:37 AM, Chen Ding wrote: >>>>> >>>>> I am sure the tomcat server was not crashed because if the button did >>>>> not >>>>> show up, if I reload the file again, the button might show up. It was >>>>> just >>>>> not that certain that the application would be loaded. >>>>> Thanks for your recommendation. Here is what I did. I clicked the >>>>> "SOLO" >>>>> button for the "Deploy:" option. It popped up a dialog that generated a >>>>> swf >>>>> file for the application. If I load the swf file instead of the "lzx" >>>>> file, >>>>> that will not go through the "compiler", and that will be safer and >>>>> more >>>>> efficient. Is this understanding right? >>>>> >>>>> Thanks! >>>>> >>>>> Chen Ding >>>>> >>>>> On Mon, Jul 20, 2009 at 10:23 PM, P T Withington <[email protected]> >>>>> wrote: >>>>> >>>>> I'm only aware of this ever happening if the tomcat server crashes, so >>>>>> you >>>>>> might want to look at your tomcat logs. >>>>>> >>>>>> We highly recommend that deployed applications be compiled in SOLO >>>>>> mode so >>>>>> that you eliminate the overhead (and possible security issues) of >>>>>> running >>>>>> the tomcat-based compiler. The tomcat server and compiler are really >>>>>> intended only as a development environment. >>>>>> >>>>>> >>>>>> On 2009-07-20, at 00:30EDT, Chen Ding wrote: >>>>>> >>>>>> Hi there, >>>>>> >>>>>>> It appears that when we load an lzx file, the system may fail loading >>>>>>> (i.e., >>>>>>> not showing anything). Below is an example: >>>>>>> >>>>>>> <canvas> >>>>>>> <button text="testing"/> >>>>>>> </canvas> >>>>>>> >>>>>>> Try to load (and reload) this file multiple times. Sometimes, the >>>>>>> button >>>>>>> does not show up at all. This makes us worry very much. We are going >>>>>>> to >>>>>>> roll >>>>>>> out our applications. This will simply kill the whole project. >>>>>>> >>>>>>> It happened occasionally in the past, but we did not pay much >>>>>>> attention >>>>>>> to >>>>>>> it, thought it might be our fault. >>>>>>> >>>>>>> We are running 4.4.1, but the same problem appears in at least 4.3.1. >>>>>>> >>>>>>> Your help is greatly appreciated! >>>>>>> >>>>>>> Chen Ding >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>> >> >
