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<div class="postbody">Hi,<br />
<br />
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 :<br />
</span><table width="90%" cellspacing="1" cellpadding="3" border="0" align="center"><tr> <td><span class="genmed"><b>Code:</b></span></td> </tr> <tr> <td class="code"><br />
22 dÚc. 2008 13:55:45 org.ow2.orchestra.lang.jaxen.XPathEvaluator createElement<br />
GRAVE: cannot create element for step with non-numeric predicate: [(DefaultNameS<br />
tep): tns:ecart]<br />
[Petals.Container.Components.petals-se-orchestra]-SEVERE 2008-12-22 13:55:45,233<br />
OrchestraException: Message can not be processed<br />
</td> </tr></table><span class="postbody"><br />
<br />
This is my code :<br />
</span><table width="90%" cellspacing="1" cellpadding="3" border="0" align="center"><tr> <td><span class="genmed"><b>Code:</b></span></td> </tr> <tr> <td class="code"><br />
<bpws:assign validate="no" name="Assign"><br />
<bpws:copy><br />
<bpws:from><br />
<![CDATA[1]]><br />
</bpws:from><br />
<bpws:to variable="counter"></bpws:to><br />
</bpws:copy><br />
</bpws:assign><br />
<bpws:while name="While"><br />
<bpws:condition><![CDATA[$counter<=count($XC01PLResponse.xc01ResponsePart/ecarts/ecart)]]></bpws:condition><br />
<bpws:sequence><br />
<bpws:assign validate="no" name="ExtraiteXC01ResultToReleveDetteResponse"><br />
<bpws:copy><br />
<bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><br />
<![CDATA[$XC01PLResponse.xc01ResponsePart/ecarts/ecart[$counter]/xsd:CodePeriode]]><br />
</bpws:from><br />
<bpws:to expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><br />
<![CDATA[$output.ReleveDetteResponse/tns:ecarts/tns:ecart[$counter]/tns:CodePeriode]]><br />
</bpws:to><br />
</bpws:copy><br />
</bpws:assign><br />
<bpws:assign validate="no" name="Loop"><br />
<bpws:copy><br />
<bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><br />
<![CDATA[$counter+1]]><br />
</bpws:from><br />
<bpws:to variable="counter"></bpws:to><br />
</bpws:copy><br />
</bpws:assign><br />
</bpws:sequence><br />
</bpws:while><br />
</td> </tr></table><span class="postbody"><br />
<br />
However, my bpel process work correctly when I replace the While activity by an sequence of <copy> clauses :<br />
</span><table width="90%" cellspacing="1" cellpadding="3" border="0" align="center"><tr> <td><span class="genmed"><b>Code:</b></span></td> </tr> <tr> <td class="code"><br />
<bpws:assign validate="no" name="ExtraiteXC01ResultToReleveDetteResponse"><br />
<bpws:copy><br />
<bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><br />
<![CDATA[$XC01PLResponse.xc01ResponsePart/ecarts/ecart[1]/xsd:CodePeriode]]><br />
</bpws:from><br />
<bpws:to expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><br />
<![CDATA[$output.ReleveDetteResponse/tns:ecarts/tns:ecart[1]/tns:CodePeriode]]><br />
</bpws:to><br />
</bpws:copy><br />
<bpws:copy><br />
<bpws:from expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><br />
<![CDATA[$XC01PLResponse.xc01ResponsePart/ecarts/ecart[2]/xsd:CodePeriode]]><br />
</bpws:from><br />
<bpws:to expressionLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><br />
<![CDATA[$output.ReleveDetteResponse/tns:ecarts/tns:ecart[2]/tns:CodePeriode]]><br />
</bpws:to><br />
</bpws:copy><br />
<br />
. . . . . .<br />
<br />
<br />
</bpws:assign><br />
</td> </tr></table><span class="postbody"></div>
<br /><div class="gensmall"><br />
<br />
<br />
-------------------- m2f --------------------<br />
<br />
Read this forum topic online here:<br />
<a href="http://petals.ebmwebsourcing.com/forum/viewtopic.php?p=370#370" target="_blank">http://petals.ebmwebsourcing.com/forum/viewtopic.php?p=370#370</a><br />
<br />
-------------------- m2f --------------------</div>
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