I have two classes with a bidrectional relationship: @Entity @Access(AccessType.FIELD) @Table(name=\"ROOM\")
I\'m unable to disable caching in OpenJPA 2.0.1. 开发者_运维问答I have set the following properties in my persistence.xml:
I\'m quite new to OpenJPA and wanted to run my application. I\'ve made a main method and load the context XML there and fire up a transaction to run my servi开发者_开发技巧ce in. But when I run it I g
I am using OpenJPA and HSQLDB for my current project. But I am unable to generate JPA entities from the HSQLDB because eclipse plugin is not giving me an option to select the schema.
I\'m using the OpenJPA implementation of JPA 2 and am having problems persisting an object to the database. I want to use transactions managed by the container (Websphere), so my understanding is that
I am using OpenJPA 1.2.3 on WebSphere with DB2. Is there a way to build and bundle my application in a way that allows for the same application (EAR) to have a changing Schema name based on environmen
I\'m trying to create a simple JPA2 app that persists something to a database using the OpenJPA implementation. I\'m running Derby and using the default Embedded JDBC Driver. I\'ve been scratching my
I have a method that return the entity manager for particular DB.Now when i use the method for the first time to get entity manager everything works fine.I can save data into any tables A,B,C using en
I have proram written using java,jps.Now i can see logs on cosole as folllows: INSERT INTO XYZ (a,b,c) VALUES (?, ?, ?) [org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement]
I\'m facing the below error : Attempt to assign id \"com.abc.java\" to new instance \"com.abc.java\" failed; there is already an object in the L1 cache with this id. You must delete this object (in
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