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POerror while loading data from table using hibernate
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  1. POerror while loading data from table using hibernate
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    copied!<p>i am using hibernate as ORM tool, and while loading the data from table i am getting following error.</p> <pre><code>org.hibernate.HibernateException: CGLIB Enhancement failed: com.hotel.entity.HotelUser at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.getProxy(CGLIBLazyInitializer.java:96) at org.hibernate.proxy.pojo.cglib.CGLIBProxyFactory.getProxy(CGLIBProxyFactory.java:49) at org.hibernate.tuple.entity.AbstractEntityTuplizer.createProxy(AbstractEntityTuplizer.java:379) at org.hibernate.persister.entity.AbstractEntityPersister.createProxy(AbstractEntityPersister.java:3455) at org.hibernate.event.def.DefaultLoadEventListener.createProxyIfNecessary(DefaultLoadEventListener.java:257) at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:191) at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:103) at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878) at org.hibernate.impl.SessionImpl.load(SessionImpl.java:795) at org.hibernate.impl.SessionImpl.load(SessionImpl.java:788) at com.hotel.domain.UserLoginService.checkUserCredentials(UserLoginService.java:17) at com.hotel.app.UserLoginManager.checkUserCredentials(UserLoginManager.java:12) at com.hotel.app.UserLoginManager.main(UserLoginManager.java:23) Caused by: java.lang.InstantiationException: com.hotel.entity.HotelUser$$EnhancerByCGLIB$$fa712a57 at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.getProxyInstance(CGLIBLazyInitializer.java:107) at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.getProxy(CGLIBLazyInitializer.java:93) ... 12 more </code></pre> <p>please let me know, what i am missing...</p> <p>below is my class</p> <pre><code>public class HotelUser implements Serializable { private static final long serialVersionUID = 1L; private String userId; private String password; private String userName; private HotelUser() { } /** * @param userId * @param password * @param userName * @param lastLoginDate */ public HotelUser(String userId, String password, String userName) { super(); this.userId = userId; this.password = password; this.userName = userName; } /** * @return the userId */ public String getUserId() { return userId; } /** * @param userId the userId to set */ public void setUserId(String userId) { this.userId = userId; } /** * @return the password */ public String getPassword() { return password; } /** * @param password the password to set */ public void setPassword(String password) { this.password = password; } /** * @return the userName */ public String getUserName() { return userName; } /** * @param userName the userName to set */ public void setUserName(String userName) { this.userName = userName; } } </code></pre> <p>and the hbm file is below :</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"&gt; &lt;hibernate-mapping&gt; &lt;class name="com.hotel.entity.HotelUser" table="hotel_user"&gt; &lt;id name="userId" type="string" column="USER_ID"&gt; &lt;/id&gt; &lt;property name="password" type="string" column="PASSWORD" /&gt; &lt;property name="userName" type="string" column="USER_NAME" /&gt; &lt;/class&gt; &lt;/hibernate-mapping&gt; </code></pre>
 

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