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https://issues.apache.org/jira/browse/ARIES-847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269721#comment-13269721
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Sergey Beryozkin commented on ARIES-847:
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Check for 'null' is redundant. Instanceof will always return false if a left
operand is null. I don't have a reference to the relevant JVM section to prove
it :-), but it is true. Similarly, the string concatenation would convert a
null object to 'null.
> Nullpointer exception in
> org.apache.aries.blueprint.container.BeanRecipe.destroy
> --------------------------------------------------------------------------------
>
> Key: ARIES-847
> URL: https://issues.apache.org/jira/browse/ARIES-847
> Project: Aries
> Issue Type: Bug
> Components: Blueprint
> Affects Versions: 0.4
> Reporter: Christian Schneider
> Assignee: Sergey Beryozkin
> Fix For: 0.4
>
> Attachments: aries-847-1.patch
>
>
> If the blueprint file contains an error the obj given to destroy may be null.
> Currently this is not handled. The big problem in this case is that the user
> does not get a good error message about his error in the context.
> I will add a patch with the check.
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