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Database Replication and Clustering

ObjectDB supports master-slave replication (cluster). When replication (or clustering) is used ... master-slave replication, the master node manages the main (master) database, which supports Read ... and only requires running an ObjectDB database server with appropriate <replication> elements in

Failed to synchronize replicated database

Hello, we are trying to enable replication feature, But when we are trying to startup slave database, we'll get following Exception: com.objectdb.o.UserException: Failed to synchronize replicated ... Removed all files from $replication directory. Started master Started slave But the exception

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 ... And could you, please, provide additional information about recording mode and replication in order to figure

Replication issue, Replayer failing due to NullPointerException.

I'm getting replication errors and upon trying to play the replayer I get a NullPointerException which i'm also seeing in the slave logs when it's trying to replicate... $ sudo java -cp objectdb ... what could be causing this? bensteele Ben Steele I should add this causes the replicated database

Replication error - parsing objectdb config

I'm trying to replicate a database using the following config: <server> <connection port="6136" max="100" /> <data path="$objectdb/db-files" /> <replication url="objectdb://localhost:6126/DEV1 ... -type.4: Attribute 'username' must appear on element 'replication'. at com.objectdb.o.MSG.d(MSG

Embedded Database Replication

of external replicator application that can be used by server administrators to ensure replication ... , which currently does not enable replication (because the server in this mode does not use ordinary ... and replicate it. support Support How? I may be able to use embedded server and replicate

Replication Issue

Hi, I am trying to use replication for this first time - so most likely I am doing something wrong ... port="6000" max="100" />                 <data path="$objectdb/db" />                 <replication ... on the master DB) com.objectdb.o.UserException: Failed to synchronize replicated database

Replication failed

Dear support members, I am trying to set up a replication url in objectdb.conf ... port="6136" max="200" /> <data path="$objectdb/db-files" /> <replication url="objectdb://127.0 ... . The directory '$replication' and the files in the directory however are created

Server Configuration

" />   <!--   <replication url="objectdb://localhost/my.odb;user=admin;password=admin" />   --> </server ... " refers to a database file db.odb in a subdirectory 'my' of the data directory. The <replication> elements <replication url="objectdb://localhost/my.odb;user=admin;password=admin" /> The <replication

Can't open replicated database

has a replicated copy of the other servers database. I try to open the replicated on one database for a query ... the problem but I'm not having much joy replicating the exact circumstances which cause it. I'll send ... the replicated database, which is read only. This happens automatically if you try to access

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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