[jboss-user] [Datasource Configuration] - how can i get ParameterMetaData?

[lei shi]

lei shi [http://community.jboss.org/people/ivinter] created the discussion

"how can i get ParameterMetaData?"

To view the discussion, visit: http://community.jboss.org/message/577826#577826

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when i use jboss 5.1,and deploy a datasource,and my code is :
Connection conn=DBConection.getInstance().getConnection();
   CallableStatement csmt = null;
   String proName = "";
   proName = "{call sp_add(?,?,?)}";
   csmt = conn.prepareCall(proName);
   csmt.clearParameters();
   ParameterMetaData pmd = csmt.getParameterMetaData();
   for (int j = 0; j < 3; j++) {
    System.out.println(pmd.getParameterClassName(j + 1));
   } 

ParameterMetaData pmd = csmt.getParameterMetaData();
i get org.jboss.resource.adapter.jdbc.remote.SerializableParameterMetaData ,not java.sql.ParameterMetaData

why?

i want to invoke pmd.getParameterClassName(),but org.jboss.resource.adapter.jdbc.remote.SerializableParameterMetaData does not have such method.
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