FreeMarkerで余計な改行が入ってしまう例

User.java

package jp.ameba.picnic.orm.microbookmark.entity;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.metamodel.StaticMetamodel;

import jp.ameba.picnic.orm.Dao;

@Entity
@Table(name = "user")
public class User {
    
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "id", unique = false)
    private Integer id;
    
                         // ここに余計な改行(1)
                         // ここに余計な改行(2)
    @Column(name = "user_name", unique = true)
    private String userName;
    
                        // ここに余計な改行(1)
                        // ここに余計な改行(2)
    @Column(name = "email", unique = false)
    private String email;
    
    public Integer getId() {
        return id;
    }
    
    public void setId() {
        this.id = id;
    }

    public String getUserName() {
        return userName;
    }
    
    public void setUserName() {
        this.userName = userName;
    }

    public String getEmail() {
        return email;
    }
    
    public void setEmail() {
        this.email = email;
    }