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Posted to users@tapestry.apache.org by Paul Ferraro <pm...@columbia.edu> on 2003/11/03 17:29:58 UTC

[Fwd: OGNL: Trouble accessing map entries]

FYI:

Drew Davidson (drew@ognl.org) has confirmed this as a bug that will be addressed in the next OGNL version (v2.6.4).

Paul


> This is really an OGNL question, and I've posted the questio****n to ognl-interest@lists.ognl.org, but I have not yet received a reply.  Maybe a fellow Tapestry user can help.

> I am getting an error accessing a Map entry using a dynamically generated property name.

> Static expression like this work:

> myMap["myProperty"]   => corresponds to myMap.get("myProperty")

> But complex expressions like this are not working (see stack trace below):

> myMap["myProperty" + index]


> org.apache.tapestry.BindingException: Unable to resolve expression 'dataMap['person' + i + 'Name']'
> Caused by:
> ognl.OgnlException: current node is not a property node for 'person1Name'
>   at ognl.MapPropertyAccessor.getProperty(MapPropertyAccessor.java:53)
>   at ognl.OgnlRuntime.getProperty(OgnlRuntime.java:1443)
>   at ognl.ASTProperty.getValueBody(ASTProperty.java:96)
>   at ognl.SimpleNode.getValue(SimpleNode.java:192)
>   at ognl.ASTChain.getValueBody(ASTChain.java:109)
>   at ognl.SimpleNode.getValue(SimpleNode.java:192)
>   at ognl.Ognl.getValue(Ognl.java:335)
>   at ognl.Ognl.getValue(Ognl.java:310)

> Any clues?

> Paul Ferraro