Speaking Java

If you are using Hibernate 3.5 or above to talk to Postgresql database, have you ever tried to store a byte array? Let's take an example. Here is the mapping which will store and read byte[] from the database. @Lob @Column(name = "image") private byte[] image; Here is the JPA mapping file configuration. <persistence version="2.0"  xmlns="http://java.sun.com/xml/ns/persistence"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">   <persistence-unit name="testPU" transaction-type="JTA">     <provider>org.hibernate.ejb.HibernatePersistence</provider>     <jta-data-source>test</jta-data-source>     <properties>     </properties>   </persistence-unit> </persistence> When you try to save your entity you will get t...