Failure writing parameter value of component Start:loop:

[MavenMan]

I have fetched datas from database :

@Inject 
private HibernateSessionManager _sessionmanager; 
private Company _company;
public List getList()
        {
                _session=_sessionmanager.getSession();
                List list=_session.createQuery("from Company").list();
                return list;
        }

this is my pojo:

@Entity
@Table(name="company")
public class Company {
        @Id  @GeneratedValue
        private long id;
        private String name;

        public Company()
        {}
        public long getId()
        {
                return id;
        }
        public void setId(long id)
        {
                this.id=id;
        }
        public String getName()
        {
                return name;
        }
        public void setName(String name)
        {
                this.name=name;
        }
}

I am test that the result is not null ,so I write this in html page:

<t:loop source="list" value="company">
                ${company.name}
                <br/>
</t:loop>

the error is :Failure writing parameter value of component Start:loop:
Expression company for class com.myspacce.pages.Start is read-only.

I can not understand .please help me .

thanks !
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