[jira] [Created] (WICKET-5422) ComponentRenderer.renderComponent() adds a page to DataStore

["Mateusz Mieszkowski (JIRA)" <ji...@apache.org>]

Mateusz Mieszkowski created WICKET-5422:
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             Summary: ComponentRenderer.renderComponent() adds a page to DataStore
                 Key: WICKET-5422
                 URL: https://issues.apache.org/jira/browse/WICKET-5422
             Project: Wicket
          Issue Type: Bug
          Components: wicket
    Affects Versions: 6.12.0
            Reporter: Mateusz Mieszkowski


I'm using ComponenetRenderer withing CustomTooltipBehavior (wicket-jquery-ui) to generate tooltip content. I add this to about 50 rows in my table so I run renderComponent() method as many times.
All worked fine but there was a problem with performance when I used Fragment component with markup attached to the WebPage. I did some digging and finally checked http://localhost:8080/context/wicket/internal/debug/diskDataStore and it appeared that for one request, Wicket stores 51 pages in it. All of the size of the whole page (about 300kB) and all of them named org.apache.wicket.core.util.string.ComponentRenderer$RenderPage.

I changed implementation from Fragment to Panel componenet and the size was reduced to (1kB) but still all of these items were stored in the DataStore.

It seems that this method is creating a dummy page in order to create the markup, but how can I avoid storing these pages?




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