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https://issues.apache.org/jira/browse/AXIS2-5716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14702131#comment-14702131
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Olivier Vanekem commented on AXIS2-5716:
----------------------------------------
I have found a workaround to this bug and maybe it would be worth including
this patch in a future release of Axis/2.
I changed the admin console and patched the ServiceParaEdit.jsp file the
following way:
{code:java}
<%
ArrayList service_para = axisService.getParameters();
for (int i = 0; i < service_para.size(); i++) {
Parameter parameter = (Parameter) service_para.get(i);
if (parameter.getParameterType()==Parameter.OM_PARAMETER) {
continue;
}
%>
<tr>
<td><%=parameter.getName()%></td>
<%if
(!parameter.getName().equals("seiMethodHeaderParameter")) {%>
<td><input type="text" value="<%=parameter.getValue()%>"
name="<%=(servicName + "_" + parameter.getName())%>"
size="50">
</td>
</tr>
<%}
}
{code}
By checking the parameter name and deciding for seiMethodHeaderParameter not to
generate the input field, the value is therefore not sent anymore when changing
a service parameter and the resulting ClassCastException does not occur.
I attach a screenshot of the admin console after the code modification as well
as the modified ServiceParaEdit.jsp patched file.
> In the admin console the seiMethodHeaderParameter service parameter should
> not be modifiable
> --------------------------------------------------------------------------------------------
>
> Key: AXIS2-5716
> URL: https://issues.apache.org/jira/browse/AXIS2-5716
> Project: Axis2
> Issue Type: Bug
> Components: admin console
> Affects Versions: 1.6.2
> Reporter: Olivier Vanekem
> Attachments: Axis2____Administration_Page-seiMethodHeaderParameter.jpg
>
>
> In the admin console, some services are automatically tagged with the
> seiMethodHeaderParameter service parameter.
> This parameter takes an array as value instead of a String.
> Because it appears in the parameters in the console, changing any other
> parameter for the service will also send a value to this
> seiMethodHeaderParameter parameter. This issue is that the admin console
> sends all parameter values as String and therefore the
> seiMethodHeaderParameter now contains a String value instead of an array.
> This will result in an exception of the service at runtime with a
> ClassCastException cannot cast a String into an array.
> See such an exception below:
> {noformat}
> [ERROR] java.lang.String cannot be cast to java.util.ArrayList
> java.lang.ClassCastException: java.lang.String cannot be cast to
> java.util.ArrayList
> at
> org.apache.axis2.jaxws.dispatchers.MustUnderstandUtils.getHeaderParamaterList(MustUnderstandUtils.java:105)
> at
> org.apache.axis2.jaxws.dispatchers.MustUnderstandUtils.markUnderstoodHeaderParameters(MustUnderstandUtils.java:64)
> at
> org.apache.axis2.jaxws.dispatchers.MustUnderstandChecker.doInvoke(MustUnderstandChecker.java:49)
> at
> org.apache.axis2.handlers.AbstractTemplatedHandler.invoke(AbstractTemplatedHandler.java:44)
> at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:340)
> at org.apache.axis2.engine.Phase.invoke(Phase.java:313)
> at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262)
> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:168)
> at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172)
> at
> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:751)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:844)
> {noformat}
> Looking at the code of MustUnderstandUtils, we see indeed that it tries to
> retrieve the value of the seiMethodHeaderParameter service parameter as in:
> {code:java}
> ArrayList seiMethodHeaders =
> (ArrayList)axisService.getParameterValue("seiMethodHeaderParameter");
> {code}
> And this generates the exception because we changed (another) service
> parameter but the admin console updated also seiMethodHeaderParameter with a
> string value.
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