About URL connection

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Forum
5

Connections pool

Hi! Does ObjectDB keeps and reuses a pool of connections as MySQL JDBC driver does? I mean ... instance manages a pool of connections and reuses them when it creates new EntityManager instances. By default the maximum connection pool size is 50. You can change it in the persistence.xml file
Issue
5

Close() Method of EMF throwing "PersistenceException: Connection is closed" on first attempt to close.

on three separated ObjectDb servers at the same time? com.objectdb.o._PersistenceException: Connection is closed due to UserException: Connection is closed com.objectdb.o._PersistenceException:45 com.objectdb.o.JPE ... , because if the database connection is closed, further attempts to close it are not necessary. kevinwh
Issue
5

Retrieving Metamodel without Connection

a connection to the ObjectDB server. It happens on every start of the Context. If it fails ... restart tomcat. Other JPA providers are able to fetch the Metamodel without connecting to the DB. I ... . If invoked before first connection to the server - the persistence unit model is analyzed locally on the client side. mosi0815 lwalkowski
Forum
5

connect with server

how to connect the data base on a remote server and share odbc in object db how to publish the JPA database on  server and make client in the network can share the data base i want to know the right connection string. i used "Map properties = new HashMap
Forum
5

Many connections possible? and will it makes problem in future?

My questions is about : 1-) Can objectdb server handle 200.000+ connections at the same time concurrently ? Does it have queue and cache ? 2-) is it dangerous to use that system on many online users ... . ObjectDB doesn't limit the maximum number of allowed concurrent connections, but they are limited by
Forum
5

Retrieving Metamodel without connection

Hello! I use Spring Data JPA. It uses the Metamodel to create repository beans. This triggers a connection to the ObjectDB server. It happens on every start of the Context. If it fails ... restart tomcat. Other JPA providers are able to fetch the Metamodel without connecting to the DB. I
Forum
5

unable to connect to remote server using VPN

I am trying to connect to remote server using VPN using user1 However, the server terminated the connection and  emitted below in the server log.  --------------------- [2018-04-14 13:13:33 #2 server] java.lang.ClassCastException: java.base/[Ljava.lang.Object; cannot be cast to [[B         at com
Forum
5

Connection performace after upgrade to objectdb 2

, etc. Thank you very much for you reply. However, do you know why the connection cost in objectdb 2 is higher
Forum
5

Number of current connections

Is there any way to find out the number of current connections to the DB server? Currently not. You may subscribe to this feature request and update it according to your needs. natmaclin
Forum
5

ObjectDB Server Connection Permissions

It would be useful if instead of creating a web service layer on top of a database, I could just set up permissions to entities and entity variables for client connections. This would be beneficial when providing specific raw data where additional business logic is not required. I suppose