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From "Frank Budinsky (JIRA)" <tuscany-...@ws.apache.org>
Subject [jira] Commented: (TUSCANY-1198) ClassCastException when getting back a type extended from anything besides a string
Date Mon, 02 Apr 2007 19:52:32 GMT

    [ https://issues.apache.org/jira/browse/TUSCANY-1198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486110
] 

Frank Budinsky commented on TUSCANY-1198:
-----------------------------------------

Another thought ... getting String values is often an indication that the metadata isn't available
at runtime, so it could be that the SDO metadata hasn't been registered in the application's
context.

> ClassCastException when getting back a type extended from anything besides a string
> -----------------------------------------------------------------------------------
>
>                 Key: TUSCANY-1198
>                 URL: https://issues.apache.org/jira/browse/TUSCANY-1198
>             Project: Tuscany
>          Issue Type: Bug
>          Components: Java SDO Implementation
>    Affects Versions: Java-M2
>         Environment: Apache Tomcat 5.5.17
>            Reporter: Sunny Ip
>         Attachments: AccountHistoryService.wsdl
>
>
> In my client code (calling from a JSP), whenever I am expecting a return type that extends
anything but a string (tried so far with boolean, int, double, decimal, long), I get the following:
> java.lang.ClassCastException: java.lang.String
> 	$Proxy34.getAccountBalance(Unknown Source)
> 	com.bns.references.account.client.AccountClientImpl.getAccountBalance(AccountClientImpl.java:14)
> 	org.apache.jsp.AccountClientTest_jsp._jspService(AccountClientTest_jsp.java:81)
> 	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
> 	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> 	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:332)
> 	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
> 	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
> 	javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> 	org.apache.tuscany.runtime.webapp.TuscanyFilter.doFilter(TuscanyFilter.java:58)
> Here is a snippet from a WSDL file that is being used:
> <xs:schema xmlns:sample="http://sample" targetNamespace="http://sample">
>   <xsd:element name="getAccountBalance">
>     <xsd:complexType>
>       <xsd:sequence>
>         <xsd:element name="accountNumber" type="sample:AccountNumber" />
>       </xs:sequence>
>     </xsd:complexType>
>   </xsd:element>
>   <xsd:element name="getAccountBalanceResponse">
>     <xsd:complexType>
>       <xsd:sequence>
>         <xsd:element name="return" type="sample:Dollars" />
>       </xsd:sequence>
>     </xsd:complexType>
>   </xsd:element>
>   <xsd:simpleType name="Dollars">
>     <xsd:restriction base="xsd:double">
>       <xsd:minInclusive value="0" />
>     </xsd:restriction>
>   </xsd:simpleType>
> </xsd:schema>
> with everything else exactly the same, changing the return type for getAccountBalanceResponse
from "sample:Dollars" to "xsd:double" makes everything work fine.  However, I need to be able
to handle these kinds of extensions.  

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