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http://jira.magnolia-cms.com/browse/MAGNOLIA-3578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ondřej Chytil updated MAGNOLIA-3578:
------------------------------------
Fix Version/s: 4.4.5
(was: 4.4.4)
> ExtendingContentWrapper (extends) can overflow if self-refering
> ---------------------------------------------------------------
>
> Key: MAGNOLIA-3578
> URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-3578
> Project: Magnolia
> Issue Type: Bug
> Components: core
> Reporter: Grégory Joseph
> Assignee: Philipp Bärfuss
> Fix For: 4.4.5
>
>
> ExtendingContentWrapper does not check if it's extending itself, and as such,
> one can get a StackOverflowError if one accidentally configures the following:
> {{foo/bar/extends = ../bar}}
> {noformat}
> Exception in thread "Thread-19" java.lang.StackOverflowError
> at
> org.apache.commons.collections.map.AbstractReferenceMap.purgeBeforeRead(AbstractReferenceMap.java:337)
> <...>
> at info.magnolia.cms.core.DefaultContent.<init>(DefaultContent.java:120)
> at
> info.magnolia.cms.core.DefaultContent.getContent(DefaultContent.java:188)
> at
> info.magnolia.cms.core.AbstractNodeData.getReferencedContent(AbstractNodeData.java:137)
> at
> info.magnolia.cms.core.AbstractNodeData.getReferencedContent(AbstractNodeData.java:104)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.<init>(ExtendingContentWrapper.java:96)
> at
> info.magnolia.cms.util.ExtendingContentWrapper.wrapIfNeeded(ExtendingContentWrapper.java:131)
> <...>
> {noformat}
> It should be doable to fail early in such misconfiguration cases, with a more
> explicit exception message.
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