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https://issues.apache.org/struts/browse/WW-2128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_41996
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James Holmes commented on WW-2128:
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Unfortunately, this upgrade failed when I attempted it yesterday. I thought it
worked at first, but realized later that the Struts 1 plugin failed to compile
because of a change to the ognl.PropertyAccessor interface. Previously the
ognl.PropertyAccessor interface only had 2 methods that needed to be
implemented: getProperty( ) and setProperty( ). In OGNL 2.7, three more methods
were added to the interface: getPropertyClass( ), getSourceAccessor( ), and
getSourceSetter( ). Unfortunately I don't have enough knowledge at this time of
what's necessary to bring the org.apache.struts2.s1.DynaBeanPropertyAccessor
class in compliance with the new version of the OGNL PropertyAccessor interface.
> Upgrade to OGNL 2.7
> -------------------
>
> Key: WW-2128
> URL: https://issues.apache.org/struts/browse/WW-2128
> Project: Struts 2
> Issue Type: Improvement
> Affects Versions: 2.1.0
> Reporter: James Holmes
> Fix For: 2.1.0
>
>
> Upgrade the Struts 2 dependency on OGNL from 2.6.11 to 2.7.
> Note that this ticket is for a simple JAR upgrade and does not encompass
> updating any code to take advantage of the performance enhancements available
> in OGNL 2.7.
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