Available tools
GX WebManager comes with tools that can help you to monitor and analyse the behavior of your website. Here is a list of the WebManager tools:
There are also some parameters that can be passed in the URL for getting more debug information:
Other handy monitoring tools:
Stresstesting tools:
Cache / No recent items
(Distributed environment) One server seems to not display recent mediaitems
Check that the server time and database times are correct (e.g. now = now, not 10 minutes ago). It's best to have the servers check their time once in a while using for example NTP.
Page sections
Did you just add a pagepart like <wm:pagePart label="name_of_pagepart" /> in a jsp? And linked this pagepart to a block-label (vormgeving>presentatie>pagina-onderdelen)?
And added a block with this label?
In that case: you forgot the presentation of the page section (file > properties > presentation!).
Or did you specify a 'read-only' (file>properties>readaccess)?
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(keywords to find this page: cache, non visible, not visible, items, blocks, block, pagepart,readaccess)