Hibernate filters

I have the following:
<hibernate-mapping>
    .
    .
    <class name="Persons" table="persons">
        <cache usage="read-only"/>
        <id name="personID" column="ID"/>
        <property name="firstName" column="First_Name"/>
        <property name="middleName" column="Middle_Name"/>
        <property name="lastName" column="Last_Name"/>
        <property name="inActive" column="Deleted_Flag" type="java.lang.Character"/>
        <filter name="activePersons" condition=":ActivePerson.compareTo(inActive) != 0"/>
    </class>
    <filter-def name="activePersons">
        <filter-param name="ActivePerson" type="java.lang.Character"/>
    </filter-def>
</hibernate-mapping>
_______________________________________________________________________________________
public class Persons {
    private int personID;
    private String firstName;
    private String middleName;
    private String lastName;
    private Character inActive;
   
    .
    .
    private Character isInActive() {
        return inActive;
    }

    private void setInActive(Character active) {
        this.inActive = active;
    }
_______________________________________________________________________________________
private void viewSource(int sc) {
        Transaction tx = null;
        Session session = SessionFactoryManager.getCurrentSession(RMSUtility.ROS_DB);
        Criteria criteria;



        tx = session.beginTransaction();
        Filter filter = session.enableFilter("activePersons");
        filter.setParameter("ActivePerson", new Character('Y'));

        criteria = session.createCriteria(Persons.class);
        criteria.add(Restrictions.eq("personID",sc));

        List list = criteria.list();
        Iterator iter = list.iterator();
        if(iter.hasNext())
            System.out.println(iter.next().toString());

        tx.commit();
    }
_________________________________________________________________________________

And I am getting the following error everytime I try to create a List:

Exception in thread "main" java.lang.InternalError: Unable to locate type for filter parameter
      at org.hibernate.impl.SessionImpl.getFilterParameterType(SessionImpl.java:1050)
      at org.hibernate.engine.QueryParameters.processFilters(QueryParameters.java:387)
      at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1530)
      at org.hibernate.loader.Loader.doQuery(Loader.java:661)
      at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
      at org.hibernate.loader.Loader.doList(Loader.java:2145)
      at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)
      at org.hibernate.loader.Loader.list(Loader.java:2024)
      at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)
      at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)
      at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)
      at rms.utility.EventManager.viewSource(EventManager.java:161)
      at rms.utility.EventManager.main(EventManager.java:105)
rufassaAsked:
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reach2piyushConnect With a Mentor Commented:
Instead of java.lang.Character try using the simple char type

Java - char
Hibernate - character
0
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