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POStrange Hibernate exception with column type
 

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    <p>I am getting Hibernate exception: </p> <blockquote> <p>Wrong column type. Found: bit, expected: BOOLEAN DEFAULT TRUE</p> </blockquote> <p>I have class User:</p> <pre><code>package mypackage; import javax.persistence.*; import java.util.ArrayList; import java.util.List; @Entity @Table(name = "USER") public class User { @Id @GeneratedValue @Column(name = "ID", unique = true, nullable = false) private Long id; @Column(name = "STATUS", columnDefinition = "BOOLEAN DEFAULT TRUE", nullable = false) private Boolean status = Boolean.TRUE; // getters and setters } </code></pre> <p>This works properly if Hibernate creates table itself in database. When </p> <pre><code>&lt;property name="hibernate.hbm2ddl.auto"&gt;create&lt;/property&gt; </code></pre> <p>or </p> <pre><code>&lt;property name="hibernate.hbm2ddl.auto"&gt;create-drop&lt;/property&gt; </code></pre> <p><strong>But if</strong></p> <ol> <li>I run my program and allow Hibernate to create this table </li> <li>then I change the value of <code>hibernate.hbm2ddl.auto</code> to the <strong>validate</strong> </li> <li><p>and I run my program again with the table that has generated by Hibernate and with</p> <pre><code>&lt;property name="hibernate.hbm2ddl.auto"&gt;validate&lt;/property&gt; </code></pre></li> </ol> <p>so I get the exception: </p> <blockquote> <p><strong>org.hibernate.HibernateException: Wrong column type in dbtest.user for column STATUS. Found: bit, expected: BOOLEAN DEFAULT TRUE</strong></p> </blockquote> <p>Any idea what could be the reason for this behavior of Hibernate and how can I fix it?</p> <p>I use <code>MySQL server 5.1</code> and <code>Hibernate 4.0.1</code>. </p> <p>My <code>Run</code> class is just two lines:</p> <pre><code> public class Run { public static void main(String[] main) { SessionFactory sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory(); Session session = sessionFactory.getCurrentSession(); } } </code></pre> <p>The structure of the table:</p> <pre><code>CREATE TABLE USER ( ID BIGINT(20) NOT NULL AUTO_INCREMENT, STATUS TINYINT(1) NOT NULL DEFAULT 1, PRIMARY KEY (ID), UNIQUE INDEX ID (ID) ) COLLATE='utf8_general_ci' ENGINE=MyISAM ROW_FORMAT=DEFAULT AUTO_INCREMENT=2 </code></pre> <p>My <code>hibernate.cfg</code>:</p> <pre><code>&lt;?xml version='1.0' encoding='utf-8'?&gt; &lt;!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd"&gt; &lt;hibernate-configuration&gt; &lt;session-factory&gt; &lt;property name="connection.driver_class"&gt;com.mysql.jdbc.Driver&lt;/property&gt; &lt;property name="connection.url"&gt;jdbc:mysql://127.0.0.1:3306/dbtest&lt;/property&gt; &lt;property name="connection.username"&gt;root&lt;/property&gt; &lt;property name="connection.password"&gt;root&lt;/property&gt; &lt;property name="hibernate.dialect"&gt;org.hibernate.dialect.MySQLDialect&lt;/property&gt; &lt;property name="current_session_context_class"&gt;thread&lt;/property&gt; &lt;property name="connection.pool_size"&gt;5&lt;/property&gt; &lt;property name="hibernate.transaction.flush_before_completion"&gt;true&lt;/property&gt; &lt;property name="hibernate.transaction.auto_close_session"&gt;true&lt;/property&gt; &lt;property name="hibernate.hbm2ddl.auto"&gt;validate&lt;/property&gt; &lt;property name="hibernate.show_sql"&gt;false&lt;/property&gt; &lt;property name="hibernate.format_sql"&gt;true&lt;/property&gt; &lt;property name="hibernate.use_sql_comments"&gt;false&lt;/property&gt; &lt;property name="hibernate.connection.charSet"&gt;true&lt;/property&gt; &lt;mapping class="mypackage.User"/&gt; &lt;/session-factory&gt; &lt;/hibernate-configuration&gt; </code></pre> <p>Hibernate creates the table with type <code>TINYINT</code> and I do not intermeddle on to the database and do not make any changes in the table manually! I'm just change the <code>hibernate.hbm2ddl.auto</code> to the <code>validate</code> and nothing else.</p>
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    1. USDataNucleus
    1. USJacob Smith
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    1. CORelated: http://stackoverflow.com/questions/289727
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      1. USTomasz Nurkiewicz
    2. COI have not **default value** in my table if I choose `BIT DEFAULT 1` instead `BOOLEAN DEFAULT TRUE` in annotations. I get `STATUS BIT(1) NOT NULL` in db.
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      1. USJacob Smith
    3. COSo my question can be rephrased as following way: **How to correctly declare a default value for a boolean field using the Hibernate annotation?**
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      1. USJacob Smith
 

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