JKP - 2004-11-10

I have been trying to figure out a error for the past few day unsuccessfully so now I am turning to you all for help.  I am calling a stored procedure on iSeries V5 (DB2) database with 4 VARCHAR parameters which are mode=IN and 1 INT parameter which is mode=INOUT.

Here is the error message:
--- The error occurred while applying a parameter map. 
--- Check the SearchCriteria.resourceTypesParms. 
--- Check the output parameters (retrieval of output parameters failed). 
--- Cause: java.sql.SQLException: Data type mismatch.

Here is the parameterMap, resultMap and procedure statement I used:

    <parameterMap id="resourceTypesParms" class="com.mbh.esln.LifeMgmt.domain.IPParms" >
        <parameter property="caseNumber" jdbcType="CHAR" javaType="java.lang.String" mode="IN" />
        <parameter property="callNumber" jdbcType="CHAR" javaType="java.lang.String" mode="IN" />
        <parameter property="callSequence" jdbcType="CHAR" javaType="java.lang.String" mode="IN" />
        <parameter property="callGroup" jdbcType="CHAR" javaType="java.lang.String" mode="IN" />
        <parameter property="rc" jdbcType="INT" javaType="int" mode="INOUT" />
    </parameterMap>

    <resultMap id="resourceTypesResults" class="com.mbh.esln.LifeMgmt.domain.ResourceTypes">
        <result property="providerType" column="spProviderType" columnIndex="1" />
        <result property="providerDesc" column="spProviderDesc" columnIndex="2" />
        <result property="resourceType" column="spResourceType" columnIndex="3" />
        <result property="resourceDesc" column="spResourceDesc" columnIndex="4" />
    </resultMap>

    <procedure id="getResourceTypes" parameterMap="resourceTypesParms"  resultMap="resourceTypesResults">
        {call spGetLifeMgmtResourceSelections (?, ?, ?, ?, ?)}
    </procedure>

The error message seems very specific pointing to the INOUT parm in the parameterMap, but I am not sure why this is causing an error.  The iBatis jars that I am currently using are:  ibatis-common-2_20040820.jar and ibatis-sqlmap-2_20040820.jar.  Any help as to what might be causing this error is greatly appreciated.  Thank you.