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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
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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
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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
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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
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1

500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue
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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
Forum
1

Failed to generate dynamic type objectdb.java.util.ArrayList

this?   [ObjectDB 2.2.8] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) Client VM 1.6 ... .HashSet [ObjectDB 2.2.8] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) Client VM ... )   Generated by Java HotSpot(TM) Client VM 1.6.0_26 (on Windows XP 5.1). Please report this error
Forum
1

Guestbook EE ear app please

. However, I would like to call the ejb from a remote client. I have tried various ways in creating different projects for ejb, web and client, with and without an ear, and bump into queer problems. Of course I ... project as in your tutorial. Can you please put together another tutorial illustrating remote client
Issue
1

NullPointerException when using multithreading

[ObjectDB 2.4.4_08] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) Client VM 1.6 ... to the database.  When the client application starts writing, several of the threads throw the above exception ... up with the exception provided after anywhere from 100,000 persists to 1.5 million commits.  The client