javaSQL.SQLException : Internal error when parsing callable statement metadata (missing parameter type)

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Java

MySQL

I get this error when executing a stored proc .
Here is the declaration of the procedure.
`SP_GetStatusReports`(IN phNum varchar(200),IN sel int,IN depid int,IN date1 varchar(30),IN sub varchar(40),IN mes varchar(200),IN file1 varchar(150),IN sel1 int )

I invoke the proc like this:

String stored_procedure = " { call SP_GetStatusReports(?,?,?,?,?,?,?,?)} ";

callableStatement = connection.prepareCall(stored_procedure);
//System.out.println(selection+"\n"+s+"\n");
callableStatement.setString(1, phno);
callableStatement.setInt(2, selection);
callableStatement.setInt(3, deptId);
callableStatement.setString(4, from_date);
callableStatement.setString(5, sub);
callableStatement.setString(6, mes);
callableStatement.setString(7, file);
callableStatement.setInt(8,s);
callableStatement.executeQuery();


cs.executeUpdate();


I get the following exception ....

java.sql.SQLException: Internal error when parsing callable statement metadata (missing parameter type)
ERROR - [http-81-7 - SMLDao.java - com.infronics.sbismsmis.dao.SMLDao:getStatusReports:902] - (Exception occured in SMLDao.getStatusReports()
I am able to execute this proc successfully from the QueryBrowser like this :

CALL SP_GetStatusReports(null,0,0,'2011-05-01',null,'Hello','C:/tmp/xyz.csv',1)

Thanks in advance!!