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From "Frank Budinsky (JIRA)" <tuscany-...@ws.apache.org>
Subject [jira] Resolved: (TUSCANY-1198) ClassCastException when getting back a type extended from anything besides a string
Date Mon, 02 Apr 2007 19:41:32 GMT

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

Frank Budinsky resolved TUSCANY-1198.
-------------------------------------

    Resolution: Cannot Reproduce

I generated the SDO interfaces using the attached wsdl file, and the getAccountBalanceResponse
interface contains:

  double getReturn();
  void setReturn(double value);

Exactly the same as if xs:double was used as the type, instead of sample:Dollars.

Since the SDO part is working as expected, perhaps this is some kind of SCA proxy problem?

> 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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