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18

ObjectDB is opening too many sockets

Hi, we are trying to switch from embedded mode to client-server to support database clustering, and we are now facing following issue. Object DB server is creating too many sockets. Currently the ObjectDB Server process has 3895 opened files, and from that number 3823 are opened sockets. I
17

Potential ObjectDB bug

Hi, do you know is this error an objectDB bug 2017-01-25 20:26:19,978 SEVERE [com.vaadin.server ... ) [classes:] at com.vaadin.ui.UI.doInit(UI.java:682) [vaadin-server-7.6.6.jar:7.6.6] at com.vaadin.server.communication.UIInitHandler.getBrowserDetailsUI(UIInitHandler.java:214) [vaadin-server-7.6.6
17

Replication error on slave restart

I'm trying to enable replication on master server that was running with "recovery" enabled ... slave server: com.objectdb.o.UserException: Failed to synchronize replicated database ... :116) at com.objectdb.Server.runCommand(Server.java:198) at com.objectdb.Server
17

How to disable use of graphic windows by objectDB

: java -cp objectdb.jar com.objectdb.Server run -console support Support It worked! But now i can't shutdown the server using "stop", it keep running! LottaLava Edson Alves Pereira Running the following in another console window should stop the server: java -cp objectdb.jar com.objectdb.Server
5

What is the Java Persistence API (JPA)?

to interact with a relational database such as Oracle, DB2, SQL Server or MySQL. The popular JPA
3

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:352) at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:500) at com.sun.enterprise.v3.server ... .onMissingResource(AdminAdapter.java:224) at org.glassfish.grizzly.http.server.StaticHttpHandlerBase.service
1

Step 3: Add a Context Listener Class

. The database will be closed when the web application stops (or when the web server shuts down), by
0

javax.jdo.PersistenceManagerFactory

a server to dynamically bind to an instance from this factory associated with the thread's current ... setting. Since: JDO 1.0 String getServerTimeZoneID() Gets the TimeZone ID of the server associated with this PersistenceManagerFactory. Gets the TimeZone ID of the server associated
0

javax.jdo.JDOEntityManager

by the server. Get the Date as seen by the server. Clients using this method can order their operations according to a single time source. Implementations use the setting of the server time zone to prepare a Date instance that represents UTC time on the server. Returns: a Date instance corresponding
0

javax.jdo.PersistenceManager

Date getServerDate() Get the Date as seen by the server. Get the Date as seen by the server. Clients ... the setting of the server time zone to prepare a Date instance that represents UTC time on the server. Returns: a Date instance corresponding to the UTC Date as seen by the server Since: JDO 2.1 Object

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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