Tomasz Szlek created MYFACES-3795:
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Summary: ErrorPageWriter cause memory leak in visitedFacetCount map
Key: MYFACES-3795
URL: https://issues.apache.org/jira/browse/MYFACES-3795
Project: MyFaces Core
Issue Type: Bug
Affects Versions: 2.1.11
Environment: Linux
Reporter: Tomasz Szlek
We have noticed that there is a memory leak in class
org.apache.myfaces.renderkit.ErrorPageWriter, map: visitedFacetCount.
This memory leak occurs when <ui:debug/> is used.
Description of problem:
Ui debug component tree page use visitedFacetCount as a temporary source of UI
components in order to generate html page based on such components.
This generator use visitor : ExtendedComponentTreeVisitCallback class.
Inside method visit we have following lines :
972: _incrementVisitedFacetCount(parent); //put compnent into visitedFacetCount
map
...
1131: _removeVisitedFacetCount(parent); // remove visited component from
visitedFacetCount map.
Unfortunatelly visited component is removed from visitedFacetCount map only if
there are no children for component.
Thus it looks like components are never removed properly from visitedFacetCount.
Possible solution:
Parent componet should be removed from visitedFacetCount when it back from
recursion.
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