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23

Pre-detach loading: retrieval by navigation not working in if statement

: objectdb.temp.no-detach NOT USED This problems only seems to occur in my large web application. I know that mini demonstrations of problems are preferred on this forum, and I have a smaller test web application parallel to the large web application, but the problem does not happen in the smaller web
21

Query Method NullPointerException on List iteration

) ~[spring-aop-5.2.6.RELEASE.jar:5.2.6.RELEASE] at org.springframework.data.projection ... .invoke(Method.java:564) ~[na:na] at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE
19

Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

project JavaEE Maven with NetBeans (7.4 beta in my case). Start ObjectDB on localhost as server. Run project on Apache Tomee 1.5.2 standard. Take a look at NetBeans' output to see how many entities ... the change, close ObjectDB's connection, and run the project again. Important: do all that until a new
4

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

.greensoft.objectdb.test.entity.Permissions com.greensoft.objectdb.test.entity.Project com ... createProject(EntityManagerFactory emf) { format().outHeader2("Create Project and Element model ..."); Project project = new Project(null, "project"); //NB: Project has no project
4

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

, the inability to robustly query relationship fields in a web application renders the ObjectDB ... Web App and viewing both the Glassfish output log and the single served JSF page indexTest.xthml ... ($i,"element",e); log_info($i,"element.project",e.getProject()); List
4

Updating JPA Entity Objects

); em.getTransaction().begin(); employee.projects[0] = new Project(); // not detected automatically JDOHelper.makeDirty(employee, "projects"); // reported as dirty em.getTransaction
4

Retrieving JPA Entity Objects

=FetchType.EAGER) private Collection<Project> projects; : } Specifying FetchType.EAGER explicitly ... is retrieved all the referenced Project instances are also retrieved automatically. Retrieval by Navigation
3

Server Configuration

of an ObjectDB server is similar to the document root directory of a web server. Every database file in
3

Database Connection using JPA

during their lifetime. For instance, in a web application it is common to establish a separate
3

Online Backup

applications that provide round the clock service (24/7/365) such as most web applications. Starting Online

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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