84 | Spring Data JPAHello! When i configure Spring Data JPA to use ObjectDB 2.4.0_03 i get an exception ... .getMetamodel(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun ... $SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:176) at $Proxy432.getMetamodel(Unknown Source |
83 | can not use spring-data-jpa repository with NamedQuery) at $Proxy24.getParameters(Unknown Source) at org.springframework.data.jpa.repository.query.QueryUtils ... in spring-data-jpa named queries are used to implement repository interface methods, see http://static.springsource.org/spring-data/data-jpa/docs/current/reference/html/#jpa.query-methods.named |
83 | Spring Data JPA - PersistenceException thrown(Unknown Source) at org.springframework.data.jpa.repository.config ... (AbstractEntityManagerFactoryBean.java:541) at com.sun.proxy.$Proxy13.getMetamodel(Unknown Source) at org.springframework.data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.getMetamodels |
82 | em.flush(); em.clear(); loosing data and not persisting managed objects). These tables are the data from the backend of an antiquated source code/bug tracking management system called CMVC, since I don't have direct access to that database to get the data directly. The code ... is larger than about 45 bytes is much less efficient. support Support I"m storing data from files |
81 | ObjectDB data migration/extractionHi What is the way to extract data from ObjectDB to relational databases (Oracle). We need to feed an Oracle database with data for reporting/datawarehosing. Should JPQL be used or is there some ... , so you will have to migrate data using your own code. Notice that you should be able to use ObjectDB with BIRT to produce |
77 | To open source, or not to open source. Therefore we do the bugfix backporting ourself. This would not have be possible if db4o was close source ... relation to your close source policy. Do you have any plans to open source ObjectDB ? /Peter Lerche EasySpeedy.com lsPeter Peter Sorry, currently there are no plans to open source ObjectDB. support Support |
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3 | Step 1: Install BIRT and ObjectDB DriverWe start by installing the BIRT development environment and the ObjectDB data source driver ... , and finally approving the installation and restarting the IDE. Installing the ObjectDB Data Source Driver To install the ObjectDB data source driver for BIRT: Open the [Install] dialog box by selecting Help |
2 | Step 3: Define a Spring DAO ComponentOperations on the database will be performed by an instance of a Data Access Object (DAO ... clicking the guest package node (in the [Projects] window under Source Packages) and selecting New ... the content of the new source file with the following code: package guest; import java.util.List |
