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https://issues.apache.org/jira/browse/WW-3994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13598711#comment-13598711
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Daniel Baldes commented on WW-3994:
-----------------------------------
See
http://docs.oracle.com/javase/7/docs/api/java/lang/Class.html#getDeclaredMethods()
:
"The elements in the array returned are not sorted and are not in any
particular order."
> CompositeActionMapper actionMappers injected before container, leading to NPE
> on Oracle JRE 1.7.x
> -------------------------------------------------------------------------------------------------
>
> Key: WW-3994
> URL: https://issues.apache.org/jira/browse/WW-3994
> Project: Struts 2
> Issue Type: Bug
> Affects Versions: 2.3.8
> Environment: Oracle JRE 1.7.0_17, Struts 2.3.8, Tomcat 7.0.12
> Reporter: Daniel Baldes
>
> When I try to use CompositeActionMapper on Oracle JRE 1.7.0, the
> ContainerImpl tries to first inject the actionMappers using
> CompositeActionMapper.setActionMappers(String list), before the container is
> injected in setContainer(Container container). This leads to a
> NullPointerException.
> This did not happen on Oracle JRE 1.6.0.
> The apparent cause is that in com.opensymphony.xwork2.inject.ContainerImpl,
> line 90, the method injectors are created in the order in which the methods
> are returned by Class.getDeclaredMethods(), which is undefined according to
> the documentation.
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