<data> uses "name" attribute instead of "ID"
--------------------------------------------
Key: SCXML-74
URL: https://issues.apache.org/jira/browse/SCXML-74
Project: Commons SCXML
Issue Type: Bug
Affects Versions: 0.8
Reporter: Edzard Hoefig
Priority: Minor
In the recent SCXML WD (WD-scxml-20080516), the <data> element is defined to
use an "ID" attribute. Previously it had been "name" (WD-scxml-20070221). This
change is not reflected in the source (see class
org.apache.commons.scxml.model.Data) and leads to a NullPointerException when
trying to use it.
Example:
This SCXML document...
<?xml version="1.0" encoding="UTF-8"?>
<scxml xmlns="http://www.w3.org/2005/07/scxml"; version="1.0"
initialstate="InitialState" >
<datamodel>
<data id="RequestForBerlin">
<GetWeather xmlns="http://www.webserviceX.NET";>
<CityName>Berlin</CityName>
<CountryName>Germany</CountryName>
</GetWeather>
</data>
</datamodel>
<state id="InitialState">
<transition target="GetWeatherState"/>
</state>
<state id="GetWeatherState">
<invoke src="WeatherService#GetWeather" targettype="x-soap">
<param name="RequestForBerlin"/>
</invoke>
</state>
</scxml>
... leads to ...
... java.lang.NullPointerException
at
org.apache.commons.scxml.env.SimpleContext.setLocal(SimpleContext.java:164)
at
org.apache.commons.scxml.SCXMLHelper.cloneDatamodel(SCXMLHelper.java:466)
at org.apache.commons.scxml.SCXMLExecutor.reset(SCXMLExecutor.java:223)
at org.apache.commons.scxml.SCXMLExecutor.go(SCXMLExecutor.java:351)
[...]
... because the name field of a Data class instance is null.
when changing the <data id="RequestForBerlin"> line to <data
name="RequestForBerlin"> the problem dissapears.
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