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Manual
8

General Settings and Logging

" threshold="64mb" /> To meet memory constraints ObjectDB can use temporary files in processing of large ... file settings: The path attribute specifies a directory in which the temporary files are generated ... sockets become obsolete as a result of inactivity. The value is the timeout in seconds, where 0
Issue
8

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 ... showing the query result in indexTest.xhtml. The problems is illustrated by running the attached JavaEE ... via a querying @EJB gives many fields null (and not even empty, I mean truly null). In the following
JDO Doc
8

javax.jdo.PersistenceManager

the consistency of instances in the cache against the datastore. An implementation might flush instances as ... , this method obtains a datastore connection and verifies the consistency of the instances in the cache ... () request, the default values for options will be restored to their values as specified in
Forum
8

Occasionally slow requests in load testing

, however there are quite a few "spikes" in the performance where we are getting a lot of very slow ... we can see that most of the requests get stuck in one of 2 places: com.objectdb.o.PGC:w: line number ... threads in the db server process and it is configured for 400. The server it is running on looks
Forum
8

Explorer in 2.3

First, the new Explorer in ObjectDB is fantastic! This is exactly what we've needed - an easy way ... . Then allow import of that file into another database. 2. Lazy loading of data, especially in table view ... movement of the scrollbar also causes large pauses (> 30 seconds in some cases). I am using remote
Forum
8

Performance in large transactions

Hello, we have a performance problem when we use a large transaction. Let's do exactly the same in several transactions the ObjectDB works much faster. In our use case, we create many new entities ... iteration. (In the query, we search for an item of type Entity2. However, there is only one entity
Forum
8

UserException: Invalid configuration in 'internal' - Check permissions

. With such information I have tried to create an entityManager, in each slave, as follows ... .UserException: Invalid configuration in 'internal' - Check permissions.: Is there any way ... ) at com.objectdb.jpa.Provider.createEntityManagerFactory(Provider.java:57) Exception in
Manual
8

Deleting JPA Entity Objects

method or implicitly as a result of a cascade operation. Explicit Remove In order to delete an object from the database it has to first be retrieved (no matter which way) and then in an active ... objects that are contained in the entity object are also deleted. If the transaction is rolled
Manual
8

Obtaining a JPA Database Connection

In JPA a database connection is represented by the EntityManager interface. Therefore, in order ... to get an EntityManager instance. JPA requires the definition of a persistence unit in an XML file in order ... persistence unit in an XML file or you can simply provide the file path of the ObjectDB database
Tutorial
8

Step 7: Run the Spring Web App

as a server in your NetBeans - you should be able to run your application now by selecting Run > Run Main Project from the main menu (or F6): You can select the server in the Run category ... and select Custom > Goals... Enter jetty:run in the Goals field and click OK. Open your browser