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Many clients access same database

Hi, I have a program to manage clients of my tennis club. But we have several different computer ... so that there is one Persistence context for all the client programs on the different computers. For example: When I change the name of a client on 1 computer, that change has to be discovered by the other client programs as

server.exe on 32bit and 64bit Windows

Is the server .exe compatible to start the objectdb server on Windows 64bit OS?  Or 32bit ... was to create a .bat file with the following command: "C:\Program Files\Java\jdk1.7.0\bin\java" - server -Xms16M -Xmx256M -cp "objectdb.jar" com.objectdb. Server start   The OS is Windows Server 2008

virtual servers and one file

Hi ObjectDB Team In the past, we have often found that our customers use virtualized servers ... instead of a few milliseconds. Copying the database to an explicit server solves the problem ... files access and only part of the virtual file is in the virtual server's cache. Have you ever heard

Objectdb server out of heap space

I have had a server crash with the following stack trace: java.lang.OutOfMemoryError: Java heap ... (Thread.java:722) I don't understand why this should happen - a server process has full control ... ; sjzlondon Steve Zara  a server process has full control of its resources, and so should never end

Standalone server needs dependencies?

When I connect to embedded server it works good.  But when I connect to a standalone server ... had to export my persistence classes to a jar in the server and add it to the class path when starting the server .  There is nothing in the Docs that mention this, so I am wondering if I'm doing it wrong

ObjectDb Supports Clustering of Servers?

application in more than one linux (Jobss) servers . In this case user request can go to any server depends on the availability of the servers (This is for load balancing ). As of now we are using Oracle ... is described on this manual page . You can use it for a cluster of database servers , with one read

How to start a objectdb server with new Daemon (without blocking the thread)??

I am planning to use objectdb+jetty on Google compute engine server for my next project. But it seemed starting the server will block my thread. Any instruction to avoid thread blocking?    ... a server . If you want to run an ObjectDB Server from your code, you can call:     

run several embedded systems on one server, problem with double used port

we want to run several embedded systems on one server . In principle this is working ... that port for each embedded system hgzwicker Hans-Georg Zwicker Are you using embedded- server mode? In ... : "$objectdb/db/my.odb;port=9999" If you don't need the embedded server then you can disable it in

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  

A distinguished Name for server or explorer is good for maintaining!

In windows, the server runs as "javaw"; in Linux it is "java". If the server failed, for example ... .java:662) Exception in thread "main"     Then I have to restart the server , but when I stop it, I get this message: ./ server .sh stop & [1] 8443 [ObjectDB 2.2.8] Failed to connect to server

Upgrading Server license to a Site license

I should be interested to know if it possible to upgrade from a single server license to a site ... a private support ticket. support Support Thanks, I should also like to know how to transfer a server ... ? jonb Jon Brumfitt If you have a site license you can activate additional servers when necessary

Slave server not getting deletes

I have a Master and Slave Server and the slave server is getting the persists, but when I do a delete query, the records don't get deleted "delete from TestTable t " When I insert a record, then delete it, then re-insert it again, the slave server will give this error because the record did not

Database server with an application

Hi, I read the database server section of the manual - and it looks like it is not possible ... to go is to have the DB server running by itself and then the 2 other applications connecting to it. Is that correct? Thanks EKK Emmanuel Keskes There is an undocumented feature, embedded server , that you can use. support Support

Embedding ObjectDB on server application

I'm trying to integrate ObjectDB as part of a server software I am developing. I'm a little lost ... on 4th line is server app's trace) javax.persistence.Persistence.createEntityManagerFactory(Persistence ... . support Support That is precisely the issue! Since I have to export the project from eclipse, the server

Get activation code for a server with no Internet connection

Hello, We bought a license, but the server is not connected to the Internet. How do we get the activation code? Dmitry Zakharov uncol Dmitry Zakharov Run activation on that server . It does not ... . Add the activation code that is received on that url to the ObjectDB configuration file of the server . support Support

unable to update table in slave server database

Hi, We are facing below issue in objectdb clustering. Currently in objectdb clustering when master server is down ,in slave server during update operation in table getting below issues. Failed to commit transaction: Attempt to commit a transaction in read only mode[ObjectDB 2.8.2] javax

Questions about the server license

thinking now if I should buy the server license (which for me is quite expansive) or moving ... ; 2. Is the license for life? When is it supposed to expire?   dreckguy Ophir Haramaty A server

Finance data from SQL Server into ObjectDB daily

this make sense? Is there a way to map the structure of the table directly into ObjectDB from SQL Server

Processing thread count for 8-core server

of threads for the processing thread pool in order to get good performance for our 8-core server

Logging problem on attempt to start a Server that is already running

a recurring attempt to start the server , if the port is in use, until it becomes available. Build 2.5

explorer fails to connect to embedded server

explorer fails to connect to embedded server

Schema Evolution Question

The documentation indicates that " In client - server mode the ObjectDB server must be restarted ... schema. Stop ObjectDB server . Start ObjectDB server . Start new client application with the new ... with the old schema. Stop ObjectDB server . Start ObjectDB server . Start new client application

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

Obtaining a JPA Database Connection

to a remote server ) in a connection pool and use them to speed up future EntityManager construction. Using

What is ObjectDB?

relational database systems (RDBMS), such as Oracle, DB2, SQL Server or MySQL.

ObjectDB Website - Terms and Conditions of Use

on any other server . This license shall automatically terminate if you violate any

Unable to stop server after starting in SSL mode

ObjectDB server starts & stops fine in non-SSL mode using start & stop shell scripts. ObjectDB server starts fine in SSL mode using start script but throws error and does not stop using stop shell script. Non-SSL mode server start/stop output: ObjectDB Server started on port 7032. ObjectDB Server

Automatic Switch to Replicated Server Limitations

to another server when a server goes down, by specifying a composite url . Currently this feature has the following limitations: The first server in the composite url has to be available when connecting. Additional servers are only used later, as backup, and not initially during connecting

Improve ObjectDB Server

Improve ObjectDB Server to behave and feel more like a traditional db- server : - Remove SWING dependency (i.e. remove the tray icon or make it external from the core server ) - Provide the possibility ... ObjectDB as a console application  including on headless servers and JVM with no GUI and Swing

Server NPE

I'm getting the following NPE when attempting to persist an object to a server based database: [2011-11-13 09:11:47 #11 server ] java.lang.NullPointerException at com.objectdb.o.UTT.z(UTT.java:311 ... with a server -based database - 2 writing to the db, one reading. I had added an index to a property

Server Deadlock

Our objectdb server completely stopped responding to requests for new connections. The ' server ' command also would not respond. A thread dump (attached) shows a deadlock. FastModel Ben Schreiber Thank you for this report. Build 2.2.9_01 should fix the deadlock. support Support Build 2.3.7_04 fixes

Errors after unexpected server shutdown

After an unexpected server shutdown and restart of our application we have these messages in the log (complete log attached): … [2018-03-26 14:39:30 #1096 store] Request Value: 10:'b61e33d4-8d57-478d-9176-6aa0e2031470' [2018-03-26 14:39:30 #1097 store] *** Attempt to remove a non existing index

Generating new activation code gives 500 server error

Generating new activation code gives 500 server error

500 Internal Server Error on creating a new issue

500 Internal Server Error on creating a new issue

Generating new activation code gives 500 server error

Generating new activation code gives 500 server error

stress test -> com.objectdb.o.InternalException: null

] with root cause com.objectdb.o.UserException: Mismatch client - server protocol prefix at com.objectdb ... .UserException: Mismatch client - server protocol prefix at com.objectdb.o.MSG.d(MSG.java:61) at com ... ) can register types without persisting instances. The "Mismatch client - server protocol prefix

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

, but this has no consequence for the problems reported.) The client @Singleton @Startup ExtConfigBean has an option ... * after {@link buildProject} is invoked TWICE from a client like {@link ExtConfigBean ... .start(ApplicationInfo.java:352) at com.sun.enterprise.v3. server .ApplicationLifecycle.deploy

Java EE 6 JPA Tutorial - NetBeans Project

). Choose or define the server and click  OK . If  a browser is not opened - open it at http://localhost:8080/Guestbook/.

Step 6: Run the Java EE 6 Application

server and open the database file in ObjectDB Explorer : This is the end of the tutorial. Learn more about ObjectDB and JPA by reading the Manual .

Step 6: Run the Web Application

. You can stop the Tomcat server and open the database file in ObjectDB Explorer : This is the end

Step 1: Create a Java EE Web Project

We start by creating a new Java EE 6 Web Application project in NetBeans: Open the [New Project] dialog box, e.g. by using File New Project... Select Java Web Web Application and click Next . Choose a Project Name (e.g. Guestbook ) and click Next . Select GlassFish Server 3 (or above) 

Step 4: Add a Servlet Class

; GuestDao session bean, which is instantiated and injected by the application server into the 

Step 1: Create a Web Project

as a new server by clicking the New Runtime... button . Follow the instructions and specify the path

Step 3: Add a Context Listener Class

an EntityManagerFactory . The database will be closed when the web application stops (or when the web server shuts

Step 4: Add a Servlet Class

the application server into the guestDao field automatically (since the field is marked with the @EJB

Spring MVC JPA Tutorial - NetBeans Project

Tomcat as a server and click  OK . Note: To run the application on GlassFish - change

PersistenceManager.getServerDate() - JDO Method

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 . Return: a Date instance corresponding to the UTC Date as seen by the server Since: JDO 2.1

javax.jdo.PersistenceManager

() 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 . Return: a Date instance corresponding to the UTC Date

PersistenceManagerFactory.getServerTimeZoneID() - JDO Method

JDO Method in javax.jdo.PersistenceManagerFactory String getServerTimeZoneID () Gets the TimeZone ID of the server associated with this PersistenceManagerFactory. If not set, assume that the server has the same TimeZone ID as the client . Return: the TimeZone of the server See Also: setServerTimeZoneID Since: JDO 2.1

PersistenceManagerFactory.setServerTimeZoneID(timezoneid) - JDO Method

, assume that the server has the same TimeZone ID as the client . If incorrectly set, the result ...  timezoneid ) Sets the TimeZone ID of the server associated with this PersistenceManagerFactory ... of the server Throws: JDOUserException - if the parameter does not match an ID from TimeZone