Umbraco version: umbraco v 4.0.0 (Assembly version: 1.0.3327.20280)

Asp.Net: .Net framework 2.0

Windows server 2008 with IIs7


Sometimes when viewing a page with a contained macro, the macro part of that page is completly removed, not rendered, no error no nothing only a incomplete page. Loading the same page again, it's rendered correctly. This occurs very rarley.

When investigating more deeply I found out that this is somehow connected to the recycling of the application pool in which umbraco is running in. Setting the application pool to recycle itself every 1 minute I could reproduce the behaviour more often than with the default recycling time but still not consistently after every recycling.

I was never able to reproduce the error when adding the umbDebugShowTrace=true, the page always renders correctly when having it set to true.

Has anyone got a clue about what can cause this or have anyone seen this before?

Note. It just not a particular page with a macro the got this behaviour, every page on the site that have a macro on it acts like this when the problem occurs.

/Marcus
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