Use look-before-you-leap strategy for creating Spring beans vs Struts objects
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Key: WW-3460
URL: https://issues.apache.org/jira/browse/WW-3460
Project: Struts 2
Issue Type: Improvement
Components: Plugin - Spring
Affects Versions: 2.1.6
Reporter: Leigh Anderson
Attachments: spring-plugin.patch
For our use case with struts actions and validators, each page request resulted
in the SpringObjectFactory.buildBean() method being called multiple times for
the validator beans which were known ahead of time not to be spring-managed.
This results in an exception being thrown and caught -- effectively using
exceptions as flow control. The attached patch checks the Spring context before
delegating the bean creation.
In our tests, this resulted in a reduction in both CPU use and request latency.
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