About web application

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6

Your Glassfish example on the web

Hi, I'm doing a school project with objectdb and glassfish. I have tried your web tutorial "Java EE JPA (Glassfish) with Netbeans". When I try to run the example and add an entry in the guestbook, it throws this exception: com.objectdb.o._PersistenceException: Attempt to obtain a connection from
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6

Can I use the objectDB in android application?

I'm interesting in the ObjectDB, and I want to know if it passiable run at the android application. The ObjectDB does not support other program language , but can the export an relational database models and data,when they have to change. Android is currently not supported but may be supported in
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6

How to connect to an embedded ObjectDB in a JPA/JEE application?

It is easy to change the properties in persistence.xml file to connect to an ObjectDB server. But I could not find any reference who to connet to an embedded objectdb in a JEE/JPA application through changing persistence.xml file. Can any one please help ? Just replace the client-server connection
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6

Integrating the ObjectDB logging into the application logging based on slf4j

We would like to write the logs of ObjectDB with into the log of our application. What do you use for logging? With or without slf4j and if so, what concrete implementation? Do you see a way to combine your logging with our logging? The ObjectDB logging is based on our own internal implementation
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6

internal object DB locking in an embedded multi threaded application

Hi, we are using Embeded objectDB 2.4.4_06 in a highly multithreaded concurrent manner and we have noticed a performance problem in our application that seems to be attributed to ObjectDb's internal locking. When profiling our app in JVisualVm we notice a large number of threads are blocked
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6

multi thread application, id field sporadically null

We are testing objectDB with a multi thread application. Each thread has it's own entityManager created from a common factory. In one thread we receive sometimes an object from the database with the field that is declared as @Id having the value null (what is not correct, we checked
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6

Refresh data in application after database data has changed

Hi, I have a Java program that can manage and create some Person objects. When I start my application and I want to add a person with the same national number as a person already in the database, my program has to block the creation. So far so good. Now... I have a person in my database
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6

Rename Application StringIdentity

I don't think JDO supports altering an entity's Application Identity.  Does ObjectDB? @PersistenceCapable public class MyClass implements Serializable, Cloneable{ @Id private StringIdentity id; ... }   PersistenceManager persistenceManager = ...; Transaction transaction
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6

Access to client/server database from multiple applications

Is there a preferred way to run a client-server database so that updates from one application are immediately visible to another? The way I managed this was to run PersistenceManagerFactory.getDataStoreCache().evictAll(true,MyClass.class) to ensure that a query on MyClass would contain updated data
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6

Embedding ObjectDB on server application

Embedding ObjectDB on server application