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POHibernate, (netbeans 7.1.2, maven) unable to use ElementCollection attribute
 

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    <p>A my SQL database has an "Item" table. Each "item" can have many alternate labels. These are stored in another table called "ItemAltLabel". The foreign key is “ItemID”.</p> <p>I am trying to represent this in java as an entity which has a set of string alternate labels.</p> <p>My property looks like this:</p> <pre><code>@ElementCollection @CollectionTable(name="ItemAltLabel", joinColumns=@JoinColumn(name="ItemID")) @Column(name="Label") private Set&lt;String&gt; alternateLabels; </code></pre> <p>Should this be correct?</p> <p>The error I get is:</p> <blockquote> <p>org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityBroker': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.hibernate.SessionFactory com.porism.dao.BaseBroker.sessionFactory; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/springmvc-servlet.xml]: Invocation of init method failed; nested exception is org.hibernate.MappingException: Could not determine type for: java.util.Set, for columns: [org.hibernate.mapping.Column(Label)]</p> </blockquote> <p>I found this post, which suggests it is a bug in the version of hibernate I am using:</p> <p><a href="http://blog.m1key.me/2010/06/orghibernatemappingexception-could-not.html" rel="nofollow">http://blog.m1key.me/2010/06/orghibernatemappingexception-could-not.html</a></p> <p>“If you are getting this error in a similar situation, the reason is a bug in your Hibernate implementation and you should get a newer one (I recommend 3.5.3-Final or later).”</p> <p>My pom file refers to 3 hibernate dependencies:</p> <pre><code>&lt;dependency&gt; &lt;groupId&gt;org.hibernate&lt;/groupId&gt; &lt;artifactId&gt;hibernate&lt;/artifactId&gt; &lt;version&gt;3.2.5.ga&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.hibernate&lt;/groupId&gt; &lt;artifactId&gt;hibernate-entitymanager&lt;/artifactId&gt; &lt;version&gt;3.3.2.GA&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.hibernate&lt;/groupId&gt; &lt;artifactId&gt;hibernate-core&lt;/artifactId&gt; &lt;version&gt;3.3.2.GA&lt;/version&gt; &lt;/dependency&gt; </code></pre> <p>I have tried updating these to 3.5.3-Final (as the post suggests). </p> <p>My repositories look like this:</p> <p> http://ftp.ing.umu.se/mirror/eclipse/rt/eclipselink/maven.repo eclipselink default Repository for library Library[eclipselink] http://download.java.net/maven/2/ hibernate-support default Repository for library Library[hibernate-support] </p> <p>The error I get when trying to build the project is:</p> <blockquote> <p>Failed to execute goal on project InformWebServices: Could not resolve dependencies for project porism:InformWebServices:war:1.0: Could not transfer artifact org.hibernate:hibernate:jar:3.5.3-Final from/to eclipselink (http://ftp.ing.umu.se/mirror/eclipse/rt/eclipselink/maven.repo): Connection to <a href="http://ftp.ing.umu.se" rel="nofollow">http://ftp.ing.umu.se</a> refused: Connection timed out: connect -> [Help 1]</p> </blockquote> <p>If I remove the dependency on hibernate 3.5.3-Final, the other two dependencies are downloaded successfully. The project builds; but a new error appears:</p> <blockquote> <p>org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityBroker': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: protected org.hibernate.SessionFactory com.porism.dao.BaseBroker.sessionFactory; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/springmvc-servlet.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.cfg.AnnotationConfiguration</p> </blockquote> <p>I am using NetBeans 7.1.2 and maven.</p> <p>As you can probably tell, I have been handed a project, and don’t have a clue what I am doing. Any help would be greatly appreciated.</p> <p>I have tried upgrading to hibernate 4, but this resulted in a host of problems, and I would prefer to remain as close to the version I was using as possible.</p>
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