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PB2017 Appeon MS Web Browser Control Issue
  1. Advice
  2.  OLE
  3.  PowerBuilder (Appeon)
1 Votes
  1. Balu Krishnasamy
  2. PowerBuilder
  3. Tuesday, 16 July 2019 06:48 PM UTC

Microsoft Web Browser Control Issue:

We Upgraded to PB 2017 R3(1858) recently. Ever since we deployed our application using PB2017, there has been intermittent issues with respect to the way how the MS Web Browser Control displays the site. We do have the FEATURE_BROWSER_EMULATION set to 8888. This issue is mostly seen on Win10.

The Activex control is embedded on a window.

An Ideal Log looks something like this. When the issue occurs, the page goes blank and it appears that its still trying to load something on the webbrowser control eventually bringing down the window(window goes not responding), the lines in the color wont get logged.

It seems like something to do with executing the java script and the cached html after that. Again, this is intermittent and wide spread on Win10. Our support concluded that its not environmental or anythign to do with windows update.

Any thoughts are highly appreciated as the list of customers getting affected is growing day by day.

ole_xyz.beforenavigate2 -  Incoming URL: http://localhost:8081/xyz-web-application/?screenId=&noCacheToken=20190716115652
ole_xyz.downloadbegin    
ole_xyz.downloadcomplete    
ole_xyz.downloadbegin    
ole_xyz.navigatecomplete2(): url: http://localhost:8081/xyz-web-application/xyzweb/?screenId=&noCacheToken=20190716115652
ole_xyz.downloadcomplete    
ole_xyz.documentcomplete: http://localhost:8081/xyz-web-application/xyzweb/?screenId=&noCacheToken=20190716115652
ole_xyz.beforenavigate2 -  Incoming URL: javascript:''    
ole_xyz.beforenavigate2 -  Incoming URL: http://localhost:8081/xyz-web-application/xyzweb/F69D5B8545FF4831FCB0189E092A7E51.cache.html    
ole_xyz.downloadbegin    
ole_xyz.navigatecomplete2(): url: http://localhost:8081/xyz-web-application/xyzweb/F69D5B8545FF4831FCB0189E092A7E51.cache.html    
ole_xyz.downloadcomplete    
ole_xyz.documentcomplete: http://localhost:8081/xyz-web-application/xyzweb/F69D5B8545FF4831FCB0189E092A7E51.cache.html    
ole_xyz.downloadbegin    
ole_xyz.downloadcomplete    
ole_xyz.beforenavigate2 -  Incoming URL: about:blank    
ole_xyz.downloadbegin    
ole_xyz.navigatecomplete2(): url: about:blank    
ole_xyz.downloadcomplete    
ole_xyz.documentcomplete: about:blank    
ole_xyz.downloadbegin    
ole_xyz.downloadcomplete    
ole_xyz.downloadbegin    
ole_xyz.downloadcomplete  

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