Peng Zhang on September 9th, 2011

This morning I found to my horror that Sharepoint Central Administration (CA) is gone, and returns a 404 error. The exact message is like “HTTP/1.1 404 Connection: close Date: Fri, 09 Sep 2011 13:27:11 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET MicrosoftSharepointTeamServices:12.0.0.6300″. The solution: we changed the account under which the application pool is running the CA [...]

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Peng Zhang on December 9th, 2010

Problem Even if a movieclip instance is on the stage and has been named, actionscript to access the movieclip and its property or method would throw an error like this one: “TypeError: Error #1009: Cannot access a property or method of a null object reference.” Cause There is one or more unnamed instances of the [...]

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Peng Zhang on November 9th, 2009

The home page of EKS started to throw errors like “Object not Found” in Internet Explorer 6. Upon closer inspection, I suspect that it was because the javascript functions that are being called appear to be still undefined to IE. This occurs only in IE though – Firefox does not have this problem. I still [...]

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Peng Zhang on October 9th, 2009

Fireworks exported html page include a line of html comment that looked harmless like below: <!– saved from url=(0014)about:internet –> But it caused problems in IE browsers – Simple actions that used to work without a problem would stop working. For example,  a function call like window.open(“new.html”,”winpopup”,”status=yes,resizable=1,width=350,height=250″) would trigger an “Access Denied”  JavaScript error. Why [...]

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Peng Zhang on September 22nd, 2009

Suppose you have a form in your html page like below. Notice it is without a name attribute. <form id=”myform” action=”formhandler.php”> <input type=”hidden” name=”cityname” value=”"> </form> If you are using this syntax to access the values of input elements inside a form like this: document.myform.cityname.value = “toronto”; it will not work in either Firefox 3.5 [...]

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Peng Zhang on March 13th, 2009

I had report that some users are having script errors on a video page. The error message contains something like “An error has occurred in the script on this page. Line: 53, Char: 3, Error: Object required, Code: 0, URL: — yada yada yada”. The error message pops up when the user clicks the browser’s [...]

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