This appears to have been mentioned a number of times in the Struts 2
and XWork forums but I cannot find a real answer:
Using Struts 2.0.11 I am experiencing the following problem.
I have an action with the method
setId(Integer id) { ... }
When this value is set via a HTTP request through the
ParametersInterceptor it succeeds when using both GET and POST. However
when a GET is performed I get the following exception logged
SEVERE: ParametersInterceptor - [setParameters]: Unexpected Exception
caught setting 'id' on 'class com.opensymphony.xwork2.ActionSupport:
Error setting expression 'id' with value '[Ljava.lang.String;@1a1f635'
XWork appears to store the a single GET parameters as an array of
Strings and attempt to set the value using the String[] first, when that
errors tries to convert it. The problem with this is it logs the first
failure as an ERROR.
Why is this happening and short of creating my own TypeConverter or
blocking it in the logger config, how can I stop this error being logged
for GET requests?
Matthew Seaborn
Software Architect
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