Set all the relations as lazy instead of eager by default.

src/main/java/org/codiki/core/entities/persistence/Category.java

@@ -5,6 +5,7 @@ import java.util.LinkedList;
 import java.util.List;
 
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -35,7 +36,7 @@ public class Category implements Serializable {
 	/* ******************* */
 	/* Relations */
 	/* ******************* */
-	@ManyToOne
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "creator_id")
 	protected User creator;
 	

src/main/java/org/codiki/core/entities/persistence/Comment.java

@@ -6,6 +6,7 @@ import java.util.List;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -39,7 +40,7 @@ public class Comment implements Serializable {
 	/* ******************* */
 	/* Relations */
 	/* ******************* */
-	@ManyToOne
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "author")
 	private User author;
 	

src/main/java/org/codiki/core/entities/persistence/CommentHistory.java

@@ -5,6 +5,7 @@ import java.util.Date;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -35,7 +36,7 @@ public class CommentHistory implements Serializable {
 	@Temporal(TemporalType.TIMESTAMP)
 	private Date updateDate;
 	
-	@ManyToOne
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "comment_id")
 	private Comment comment;
 

src/main/java/org/codiki/core/entities/persistence/Image.java

@@ -4,6 +4,7 @@ import java.io.Serializable;
 import java.util.Date;
 
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -30,7 +31,7 @@ public class Image implements Serializable {
 	@Temporal(TemporalType.TIMESTAMP)
 	private Date date;
 	
-	@ManyToOne
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "user_id")
 	private User user;
 

src/main/java/org/codiki/core/entities/persistence/Post.java

@@ -58,11 +58,11 @@ public class Post implements Serializable {
 	/* ******************* */
 	/* Relations */
 	/* ******************* */
-	@ManyToOne(fetch = FetchType.EAGER)
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "creator_id")
 	private User author;
 	
-	@ManyToOne
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "category_id")
 	private Category category;
 	

src/main/java/org/codiki/core/entities/persistence/PostHistory.java

@@ -5,6 +5,7 @@ import java.util.Date;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
@@ -31,7 +32,7 @@ public class PostHistory implements Serializable {
 	@Temporal(TemporalType.TIMESTAMP)
 	private Date updateDate;
 
-	@ManyToOne
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "post_id")
 	private Post post;
 

src/main/java/org/codiki/core/entities/persistence/SubCategory.java

@@ -3,6 +3,7 @@ package org.codiki.core.entities.persistence;
 import java.util.List;
 
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 import javax.persistence.Table;
@@ -15,7 +16,7 @@ public class SubCategory extends Category {
 	/* ******************* */
 	/* Relations */
 	/* ******************* */
-	@ManyToOne
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "main_category")
 	private Category mainCategory;
 

src/main/java/org/codiki/core/entities/persistence/User.java

@@ -55,7 +55,7 @@ public class User implements Serializable {
 	/* ******************* */
 	/* Relations */
 	/* ******************* */
-	@ManyToOne(fetch = FetchType.EAGER)
+	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "role_id")
 	private Role role;