could not resolve property: categoria of: Movimentacao | Java e JPA: persista seus objetos com a JPA2 e Hibernate

Exception in thread "main" java.lang.IllegalArgumentException: org.hibernate.QueryException: could not resolve property: categoria of: br.com.caelum.financas.modelo.Movimentacao [select m from br.com.caelum.financas.modelo.Movimentacao m join m.categoria c where c = :pCategoria]
    at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:131)
    at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:155)
    at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:162)
    at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:662)
    at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:23)
    at br.com.caelum.financas.teste.TesteMovimentacoesPorCategoria.main(TesteMovimentacoesPorCategoria.java:24)
Caused by: org.hibernate.QueryException: could not resolve property: categoria of: br.com.caelum.financas.modelo.Movimentacao [select m from br.com.caelum.financas.modelo.Movimentacao m join m.categoria c where c = :pCategoria]
    at org.hibernate.QueryException.generateQueryException(QueryException.java:120)
    at org.hibernate.QueryException.wrapWithQueryString(QueryException.java:103)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:217)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:141)
    at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:115)
    at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:77)
    at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:153)
    at org.hibernate.internal.AbstractSharedSessionContract.getQueryPlan(AbstractSharedSessionContract.java:545)
    at org.hibernate.internal.AbstractSharedSessionContract.createQuery(AbstractSharedSessionContract.java:654)
    ... 2 more
Caused by: org.hibernate.QueryException: could not resolve property: categoria of: br.com.caelum.financas.modelo.Movimentacao
    at org.hibernate.persister.entity.AbstractPropertyMapping.propertyException(AbstractPropertyMapping.java:62)
    at org.hibernate.persister.entity.AbstractPropertyMapping.toType(AbstractPropertyMapping.java:56)
    at org.hibernate.persister.entity.AbstractEntityPersister.toType(AbstractEntityPersister.java:1857)
    at org.hibernate.hql.internal.ast.tree.FromElementType.getPropertyType(FromElementType.java:393)
    at org.hibernate.hql.internal.ast.tree.FromElement.getPropertyType(FromElement.java:520)
    at org.hibernate.hql.internal.ast.tree.DotNode.getDataType(DotNode.java:660)
    at org.hibernate.hql.internal.ast.tree.DotNode.prepareLhs(DotNode.java:264)
    at org.hibernate.hql.internal.ast.tree.DotNode.resolve(DotNode.java:204)
    at org.hibernate.hql.internal.ast.tree.FromReferenceNode.resolve(FromReferenceNode.java:109)
    at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromJoinElement(HqlSqlWalker.java:398)
    at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.joinElement(HqlSqlBaseWalker.java:3915)
    at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3701)
    at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:3579)
    at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:718)
    at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:574)
    at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:311)
    at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:259)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:261)
    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:189)
    ... 8 more

package br.com.caelum.financas.teste;

import br.com.caelum.financas.modelo.Categoria;
import br.com.caelum.financas.modelo.Movimentacao;
import br.com.caelum.financas.util.JPAUtil;

import javax.persistence.EntityManager;
import javax.persistence.Query;
import java.util.List;

/**
 * Created by leonardocordeiro on 24/02/17.
 */
public class TesteMovimentacoesPorCategoria {

    public static void main(String[] args) {

        EntityManager manager = new JPAUtil().getEntityManager();

        Categoria categoria = new Categoria();
        categoria.setId(3);

        Query query = manager
                .createQuery("select m from Movimentacao m join m.categoria c where c = :pCategoria");

        query.setParameter("pCategoria", categoria);

        List<Movimentacao> movimentacoes = query.getResultList();

        for (Movimentacao m : movimentacoes) {
            System.out.println("\nDescricao ..: " + m.getDescricao());
            System.out.println("Valor ......: R$ " + m.getValor());
        }

    }
}

Não sei pq esta dando esse erro, HELP!

Fiz tudo conforme as aulas.

package br.com.caelum.financas.modelo;

import org.hibernate.annotations.BatchSize;
import org.hibernate.annotations.Fetch;
import org.hibernate.annotations.FetchMode;

import java.math.BigDecimal;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;

import javax.persistence.*;

@Entity
public class Movimentacao {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Integer id;

    private BigDecimal valor;

    @Enumerated(EnumType.STRING)
    private TipoMovimentacao tipoMovimentacao;

    @Temporal(TemporalType.DATE)
    private Calendar data;

    private String descricao;

    @ManyToOne
    private Conta conta;

    @ManyToMany
    private List<Categoria> categorias;

    public Integer getId() {
        return id;
    }

    public List<Categoria> getCategorias() {
        return categorias;
    }

    public void setCategorias(List<Categoria> categorias) {
        this.categorias = categorias;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public BigDecimal getValor() {
        return valor;
    }

    public void setValor(BigDecimal valor) {
        this.valor = valor;
    }

    public TipoMovimentacao getTipoMovimentacao() {
        return tipoMovimentacao;
    }

    public void setTipoMovimentacao(TipoMovimentacao tipoMovimentacao) {
        this.tipoMovimentacao = tipoMovimentacao;
    }

    public Calendar getData() {
        return data;
    }

    public void setData(Calendar data) {
        this.data = data;
    }

    public String getDescricao() {
        return descricao;
    }

    public void setDescricao(String descricao) {
        this.descricao = descricao;
    }

    public Conta getConta() {
        return conta;
    }

    public void setConta(Conta conta) {
        this.conta = conta;
    }
}

PRORROGAMOS O DESCONTO!