[Users] Loop ForEach in Orchestra component

[nguyen]

Hi,

I tried to use the While activity in my bpel process for replace the ForEach. But it don't work correctly. In fact, I got the following error :

Code:

22 dÚc. 2008 13:55:45 org.ow2.orchestra.lang.jaxen.XPathEvaluator createElement
GRAVE: cannot create element for step with non-numeric predicate: [(DefaultNameS
tep): tns:ecart]
[Petals.Container.Components.petals-se-orchestra]-SEVERE 2008-12-22 13:55:45,233
 OrchestraException: Message can not be processed




This is my code :

Code:

<bpws:assign validate="no" name="Assign">
            <bpws:copy>
                <bpws:from>
                    <![CDATA[1]]>
                </bpws:from>
                <bpws:to variable="counter"></bpws:to>
            </bpws:copy>
</bpws:assign>
<bpws:while name="While">
            <bpws:condition><![CDATA[$counter<=count($XC01PLResponse.xc01ResponsePart/ecarts/ecart)]]></bpws:condition>
            <bpws:sequence>
                <bpws:assign validate="no" name="ExtraiteXC01ResultToReleveDetteResponse">
                    <bpws:copy>
                        <bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">
                            <![CDATA[$XC01PLResponse.xc01ResponsePart/ecarts/ecart[$counter]/xsd:CodePeriode]]>
                        </bpws:from>
                        <bpws:to expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">
                            <![CDATA[$output.ReleveDetteResponse/tns:ecarts/tns:ecart[$counter]/tns:CodePeriode]]>
                        </bpws:to>
                    </bpws:copy>
                 </bpws:assign>
                <bpws:assign validate="no" name="Loop">
                    <bpws:copy>
                        <bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">
                            <![CDATA[$counter+1]]>
                        </bpws:from>
                        <bpws:to variable="counter"></bpws:to>
                    </bpws:copy>
                </bpws:assign>
            </bpws:sequence>
</bpws:while>




However, my bpel process work correctly when I replace the While activity by an sequence of <copy> clauses :

Code:

            <bpws:assign validate="no" name="ExtraiteXC01ResultToReleveDetteResponse">
                    <bpws:copy>
                        <bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">
                            <![CDATA[$XC01PLResponse.xc01ResponsePart/ecarts/ecart[1]/xsd:CodePeriode]]>
                        </bpws:from>
                        <bpws:to expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">
                            <![CDATA[$output.ReleveDetteResponse/tns:ecarts/tns:ecart[1]/tns:CodePeriode]]>
                        </bpws:to>
                    </bpws:copy>
                    <bpws:copy>
                        <bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">
                            <![CDATA[$XC01PLResponse.xc01ResponsePart/ecarts/ecart[2]/xsd:CodePeriode]]>
                        </bpws:from>
                        <bpws:to expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0">
                            <![CDATA[$output.ReleveDetteResponse/tns:ecarts/tns:ecart[2]/tns:CodePeriode]]>
                        </bpws:to>
                    </bpws:copy>

                        . . . . . .
                 

             </bpws:assign>







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