ObjectDB Database Search

Chirac The purpose of the L2 cache is to improve performance mainly by minimizing client server round trips. Therefore, retrieval by find  always uses the L2 cache, since it can save a client -server ... at least one client -server round trip (the query caches are on the server

Good morning! I am interested in ObjectDB for a client project I am currently working on. In order ... . My question is really about fault tolerance. I cannot discuss exactly the scenario because the client work ... persistence unit. During execution/runtime, ObjectDB client picks the connection that represents

mode. In client server mode it didn't work well, because it checks activation on the client ... client -server mode. support Support Now I got the next exception: java.lang.NullPointerException

on their machines. We are using the newest version 2.5.7_03 in client server mode. What's wrong? Regards Ralph ... the meta model. At this state the connection to the (activated) server doesn't exists and the client ... , which is usually only the server machine in client -server mode. Please check if maybe

created. How reliable in a production environment is this? Can objectdb handle client - server connections from over 200 users? Can it be efficiently used in client -server mode? Code exmples ... production (see this stackoverflow thread ) and can serve 200 or more concurrent connections in client -server mode. support Support

we have a system where we serve from a host process around 200 clients connected via webSockets ... Zwicker The configuration looks fine. The system serve 200 clients , but is it possible ... if the performance issue is due to load of several concurrent clients , or maybe same slow performance

is locked for a single process. Use client -server mode or embedded-server mode to enable concurrent ... not tell me about the solution what should i do for making client server mode in desktop ... with client -server mode. Run the ObjectDB Server on one computer. See this manual page . Find the ip

to process requests from clients . Every client connection (represented by EntityManager ) is served by ... instances that were never closed (however, handling the issue on the client side by closing unused

, but I can't post there. The difference is, that it started happening to us after switch to client ... have been enhanced: com.example.db.BDO Usually it was sufficient to restart the Application (ODB Client ), and we have client -server mode only in testing environment now, so we just configured the services

so that it will work for every db client . I'm using following command to start objectdb which is not ... client -server mode? In that case try to set the system property on both the server and the client sides. support Support

do it Thanks in Advance eng.ahmed ahmed You can use ObjectDB 2.x in client -server mode (networking ... .ahmed ahmed Client -server mode (networking) is supported for both JPA and JDO. support Support

essential improvements. Viewing database files while they are in use is already supported in client -server mode (consider using client -server mode for this purpose, but you will have to reopen

doesn't know what is cached on the client side, and therefore when a query is executed by the server ... in using the L2 cache on the client side. It might be mainly useful in queries that can be resolved

is hard to see - Glassfish doesn't report any objectdb errors.  In glassfish I run client ... omitted that turning off enhancements does NOT fix the issue in client /server mode. The issue

Hi,     Does ObjectDB support "stored procedure"?     Some frequent operations may be finished within DB, client just get a few bytes of the result. TIA gzdillon Lai ... . Since every change to the database starts on the client side - this doesn't add much networking

client /server mode? I understand that you are trying the tutorial. Does it work with embedded mode? if it fails only in client server mode - please provide more details: The database url that you specify

hi   from time to time i get exception during online backup in server/ client config: Exception in thread "Thread-0" com.objectdb.o.UserException: Failed to read from file 'D:\twozniak\Desktop ... ). Do you? Which operating system and JVM are you using? support Support Hi Only server is running and client

;Glassfish. As a workaround - try using ObjectDB in client server mode instead of in embedded mode. support Support Hi. Thank you for your reply. I have also tried in client server mode. but I

for the server and the client - notice that this setting has to be changed on the client

-openjdk/jre/lib/i386/ client :/usr/lib/jvm/java-6-openjdk/jre/lib/i386::/usr/java/packages/lib/i386:/lib ... /jre/lib/i386/ client :/usr/lib/jvm/java-6-openjdk/jre/lib/i386::/usr/java/packages/lib/i386:/lib:/usr

, client will get exception and can replay transaction on new master. Old transactions from slave ... the problem is when a transaction succeeds, and on the client commit returns, but the master dies before

is required on the server side so if you are using client -server and you added it to the client

Suppose we have an objectdb network server with multiple clients connecting to it. Some clients have the latest object schema, matching that of the server. But some have an older schema, not using fields that have since been added. Will this work? FastModel Ben Schreiber This is strictly forbidden. You must have the same version of classes everywhere. support Support

build  (2.3.7) at least on the client side. Make sure you are using the same ObjectDB build for both the client and the server. support Support Hi, This last build has fixed the issue, Thanks, Natalia. natmaclin Natalia Levine

of time. this is especially curious to me in client -server mode since the .jar with the object model classes is on the server side, not the client side where explorer is running. i can figure

you. Cabot Vitas Lada Please check your ObjectDB log file (mainly on the client side, but server ... ) Client VM (build 23.5-b02, mixed mode, sharing) Cabot Vitas Lada I am trying to attach the log file

that activation code is set in the server configuration file (not on the client ... Support Make sure that activation code is set in the server configuration file (not on the client

to work. realy wierd things are going on ... we are using hessian to connect our remote clients ... an ObjectDB version at the client side and keeping the server running. Try restarting the server

that in client -server mode you usually have two log files, one on the server side and the other on the client side. If there is a connection problem, an exception stack trace should be written

query arguments have been passed between the client and the server using their ordinal representation ... the client (before query processing on the server side) it is unknown against which field it will be used in

more Some information I forgot in the first post is that I am simulating a server- client application in ... advance.   mgarciat Miguel Hi all, As I said in the previous post, I am simulating a server- client

; The element specifies how clients can connect to the server:     The port attribute ... should be specified. If another port is specified it also has to be specified by clients in the url

, and dispose and then reuse without having change anything). The problems is, as my server and client both run on the same machine and more than one client can be started, they all need access

it to work (e.g. in client server mode on the client side and on the server side). support Support

" on the server (or in embedded mode but not on the client side in client server) will disable

the client -server connection url with an embedded connection url, e.g. an absolute file path. See this documentation section regarding client -server and embedded connection urls. support Support

version 2.6.4.b04 btc_es BTC EmbeddedSystems Please recheck the version number (on the client ... the full stack trace in the ObjectDB ( client side) log file. support Support we have solved this issue

Sylvain No need to convert. Same odb file is used in both client -server and embedded modes. Just copy ... your application using a client -server connection url . support Support Thank you support for your answer

yet ObjectDB in Client -Server mode, so that I have the possibility to query the database using ... ). How can this be ? It is true that the new value entity is sent by the client via a Webservice

classes but still nothing about query :( Regards xirt Sylvain Are you using client -server mode ... , enhancement messages are client side). support Support I am using the embedded mode. 

Edition application component. This condition can occur when the JNDI client using the java:comp/env ... . This condition can occur when the JNDI client using the java:comp/env name does not occur on the thread

class versions between the client and the server, i.e, the server was updated to use a new class schema, which the client is unaware to yet. The ObjectDB server must be restarted after a schema change ... these kind of  exceptions where the data model between client and server is different and log

(which should be found in the log file) can help in understanding the context. If you are using client -server mode please make sure that the server and client sides share the same ObjectDB version. support Support ... .java:61) at java.lang.Thread.run(Thread.java:745) sjzlondon Steve Zara It does look as a client

that nothing is written to ObjectDB log, please check both the client and the server log, or ... the explorer in client /server mode connecting to the database via our core module (which is using ... below: we can reproduce the behaviour: - we opened explorer and opened a client /server connection to our embedded

Work on porting ObjectDB to .NET has started. The new file format of ObjectDB 2 has been carefully designed to support multi platform in general and .NET specifically. The same database file should be accessible from both Java and .NET. In addition, when using client server mode, the client

from last start - caches hit rate - total sessions from clients - memory usage (for heap space ... for each open connection, see: database name that it is connected to Client username and IP address

clients loading a 2mb msg - so 24mb raw data size? (Let me know if I've got this wrong ... usage on the client side was stable. Memory usage on the server side became higher mainly

Sergey This may indicate using a new server version (2.4.3_07) with an old client version. Please verify that you are using the same version also on the client side. support Support

exception (Error 990) Generated by Java HotSpot(TM) Client VM 1.7.0_25 (on Windows 8 6.2). Please report ... that always one schema version is in use. If a client has a new class schema and the server is not

Changed merge behavior (following this forum thread ).  Fixed a TomEE - ObjectDB client -server integration issue ( issue #1407 ). Fixed a ClassCastException on selecting an embedded ID field in ... .de ( issue #1413 ). Fixed "objectdb activation" query to work properly in client -server mode. Fixed