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Forum
1

Double persist of Entity field with Cascade.ALL

on the client side (i.e. by adding or removing new Chapters), merging the Book class on the server ... . It contains 1. App client (Book_dberror_client), 2. The enterprise application (Book_dberror) which contains ... for some use-cases. Running it is same as above, only replace: Book_dberror_client with Book_db_client
Forum
1

find() cost unreasonable time!

. However, my situation is multiple clients maintaining a tree, each will make CRUD operations independently, so one have to refresh the status of a node since other clients will change it. A List in memory is just for the current client, which is unknown to the other clients.     Would you please give another advices
Issue
1

ObjectDB BIRT Driver Update

is fixed for all 2.x versions. However, since the client-server protocol is occasionally being updated, there should be a match between the ObjectDB BIRT client-server protocol version and an ObjectDB database server protocol version, when using BIRT in client-server mode. A "Mismatch client-server
Issue
1

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

" entity, but this has no consequence for the problems reported.) The client @Singleton @Startup ... due to the transaction not ending * after {@link buildProject} is invoked TWICE from a client like {@link ... here. The same problem occurs (same error message) if the client of an @EJB with extended persistence
Forum
1

Performance tuning, best practices

we have a system where we serve from a host process around 200 clients connected via webSockets ... " />   <client-truststore path="$objectdb/ssl/client-tstore" password="pwd" />   Now ... . The system serve 200 clients, but is it possible that the specific slow operation (possibly a complex query
Forum
1

Problem with distinct select, order by and equivalent alias/attribute path

project but pointing from there to the (client-server-based) database that is used by the "real" project. In client-server-mode I still get the exception about the invalid expression, even when executing ... on the server side, so in client server mode it has to be specified on the server, i.e. as a JVM -D
Forum
1

Server closes if large query runs out of memory

: a SELECT query is run on the server, results are sent to the client and deleted there. This enables full synchronization of the client and the server, but very inefficient if you delete a lot of objects. In JPA: a DELETE query is run directly on the server, objects are not sent to the client
Issue
1

Use temporary files to enable very large transactions

a JVM argument: > java ... -Dobjectdb.temp.page-file=true Note: If you are using client-server mode ... client-server mode? If you were using client-server mode then the stack trace clearly indicates a client ... . Still, this should be enabled by setting a system property (on the server side in client-server mode), as described on #10 above. btc_es
Forum
1

500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue
Forum
1

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

="$objectdb/ssl/server-kstore" password="pwd" />                 <client-truststore path="$objectdb/ssl/client-tstore" password="pwd" />         Slave Configuration                 <client-truststore path="$objectdb/ssl/client-tstore" password="pwd