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19

Persist not working when ObjectDB and another db is used in the same application (through spring) with different tx managers

<beans xmlns="http://www.springframework.org/schema/beans"    xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www
18

PersistenceException: Failed to locate field

Hi, have recently been running into this issue when changing the schema: com.objectdb.o ... . pretty sure that in the past schema evolution would not have triggered errors, is this case, a simple new ... . Specifically, from: http://www.objectdb.com/java/jpa/entity/schema "Fields in the new schema
17

Unexpected exception during open the database

. <schema> <package name="com.btc.ep.bl.dmos"> <class name="TestImpl" new-name="com.btc.ep.bl.internal.dmos.RenamedTestImpl"/> </package> </schema> @Entity public class RenamedTestImpl { ... @Index private String scopeID; ... } if we remove the @Index annotation in the entity or we remove the schema
6

javax.persistence.CollectionTable

String schema (Optional) The schema of the table. (Optional) The schema of the table. If not specified, the default schema for the user is used. Default value: "" Since: JPA 2.0 UniqueConstraint
5

javax.persistence.SequenceGenerator

one or more classes to be the generator for primary key values. Since: JPA 1.0 String schema (Optional) The schema of the sequence generator. (Optional) The schema of the sequence generator. Default
5

javax.persistence.spi.PersistenceUnitInfo

getPersistenceXMLSchemaVersion() Returns the schema version of the persistence.xml file. Returns the schema version of the persistence.xml file. Returns: persistence.xml schema version Since: JPA 2.0 Properties
4

javax.persistence.GenerationType

such resources in the event that it does not support schema generation or cannot create the schema
4

GenerationType.AUTO

on how to create such resources in the event that it does not support schema generation or cannot create the schema resource at runtime. Since: JPA 1.0
4

getPersistenceXMLSchemaVersion()

Method javax.persistence.spi.PersistenceUnitInfo String getPersistenceXMLSchemaVersion() Returns the schema version of the persistence.xml file. Returns: persistence.xml schema version Since: JPA 2.0
0

javax.jdo.annotations.PersistenceCapable

an extent. Default value: "" Since: JDO 2.1 String schema Schema to use for persisting this class or interface. Schema to use for persisting this class or interface. Default value: "" Since: JDO 2.1

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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