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https://issues.apache.org/jira/browse/TAPESTRY-1275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12474347
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Howard M. Lewis Ship commented on TAPESTRY-1275:
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Yep, at build time would make sense. The page builder is just going to
endlessly create these Menu components that contain, inside them, a Menu
component.
The PageLoader needs to track what its currently building and refuse to go
recursive.
> Recursive Components cause heap space overflow
> ----------------------------------------------
>
> Key: TAPESTRY-1275
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1275
> Project: Tapestry
> Issue Type: Bug
> Components: Core
> Affects Versions: 5.0
> Environment: MacOSX 10.4.8, Eclipse 3.2.1
> Reporter: Randy Leonard
> Fix For: 5.0
>
>
> Embedding a recursive reference to a component within an html template causes
> a stack overflow. Example menu component is as follows:
> <tr xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
> <td>
> <t:comp type="Iff" test="prop:menuItem.isSelected">
> <b>${menuItem.name}</b>
> <t:comp type="Iff" test="prop:menuItem.containsSubMenu">
> <t:comp t:type="menu"
> menuHierarchy="menuItem.subMenu"></t:comp>
> </t:comp>
> </t:comp>
> <t:comp type="Iff" test="prop:menuItem.isSelected"
> negate="true">
> <a t:type="PageLink"
> page="prop:menuItem.pageName">${menuItem.name}</a>
> </t:comp>
> </td>
> </tr>
> The menu component works fine if the recursive if the recursive reference is
> removed. The error seems to take place at startup, not at render time.
> Error message displayed in browser is as follows:
> A runtime exception has occurred.
> org.apache.tapestry.ioc.internal.util.TapestryException
> Could not convert 'menuItem.name' into a component parameter binding: Java
> heap space
> location
> classpath:org/example/hilo/components/MenuCell.html, line 4, column 23
> org.apache.tapestry.ioc.internal.util.TapestryException
> Java heap space
> location
> classpath:org/example/hilo/components/MenuCell.html, line 4, column 23
> java.lang.OutOfMemoryError
> Java heap space
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