I have a situation where OGNL seems to be misinterpreting the class of the HTTP
parameter property it is setting during the ParameterInterceptor call.
As you can see from the exception message, the object is an ArrayList and
certainly not a Set which OGNL thinks it is. I have double, triple and quadruple
checked that I am not using a Set at this point.
How and where is OGNL deciding that this is a Set? And can I configure it?
The HTTP parameter is 'myParameter[0]' and the List is a generic, assuming that
makes a difference.
java.lang.ClassCastException: org.apache.openjpa.util.java$util$ArrayList$proxy
cannot be cast to java.util.Set
at ognl.SetPropertyAccessor.getProperty(SetPropertyAccessor.java:46)
at
com.opensymphony.xwork2.ognl.accessor.XWorkCollectionPropertyAccessor.getProperty(XWorkCollectionPropertyAccessor.java:80)
at ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1643)
at ognl.ASTProperty.getValueBody(ASTProperty.java:92)
at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:170)
at ognl.SimpleNode.getValue(SimpleNode.java:210)
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