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6

Missing Data on Retrieval (0, null values)

contains all necessary Data. Most of the others  contains all  Object-Rows', but most Values ... ). The Data is even missing in the  resultlist without any Export-Function. A little Example: First try ... accessing the fields directly) then you must make sure that data is fetched from the database before
Forum
6

Spring Data JPA - PersistenceException thrown

.data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.getMetamodels(JpaMetamodelMappingContextFactoryBean.java:90) at org.springframework.data.jpa.repository.config ... .data.jpa.repository.config.JpaMetamodelMappingContextFactoryBean.createInstance
Forum
6

Data portability

Hi, I've never used an OODB, I'm looking for a starting point but a recurrent concern is the Data Portability one. More clear: what options / strategies do I have to export / move my data ... (based on JPA/JDO standards), but what about Data Portability? Regards, At the moment porting data
Forum
6

ObjectDB data migration/extraction

Hi 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 tools to do it. Thanks. Currently there is no such tool, so you will have to migrate data using
Forum
6

index - data rewrite

Hi we have found that applying indexes on an existing table erases the data. Are we doing ... it doesn't work well in some cases. Please provide more information. Please check carefully if data ... (without declaring the schema change)? What data is missing? Complete objects? specific fields in
Forum
6

Data migration from SQLServer to ObjectDB

Hi, could someone recommend a good tool to use for data migration from SQLServer to ObjectDB. Unfortunately there is currently no such automatic tool. Using a JPA ORM library (e.g. Hibernate or EclipseLink) you can write your own conversion program that retrieves data from the SQLServer database as
Forum
6

Error with org.springframework.data.jpa.domain.AbstractPersistable

I am working on a Spring Boot application. I want to integrate ObjectDB with Spring Data JPA. I refer to the http://www.objectdb.com/database/forum/860 to do the configuration. When I start ... org.springframework.data.jpa.domain.AbstractPersistable.id at com.objectdb.o.MSG.d(MSG.java:62
Issue
6

StaticMetamodel throws NPE with Spring-Data in PathImpl.get()

);     } };] from Spring-Data i got a NullPointerException in com.objectdb.jpa.criteria.PathImpl
Forum
6

Using List to save data

Hello, How can I save data dynamically such as "List" in Java -> ArrayList, LinkedList, etc. thanks Seena Abdollahi Seena Abdollahi Software Engineer Lists are persisted automatically as fields of entity classes. See chapter 2 and 3 of the manual for more details. sabdollahi