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6

Cast exception?

rather than TypedQuery and then check the result type (Player) and its class loader. Check also the class loader ... the same class loader as the current web app and the objectdb package. I've also checked that objectdb ... there...maybe someone else might come across this problem later :L Flying Banana Jiacong Xu Please check
6

Connection is closed Caused by: java.io.EOFException

an EntityManager. I have checked throughout my code to ensure that all instances of EntityManager that I ... ="false" sync="false" path="." mode="write" /> <locking version-check="true" /> <processing ... ();         }     } } Please check if your application might create EntityManager instances without closing them. By the way
6

disabling JDO in objectdb embedded mode

part of ObjectDB and the stack trace does not mention ObjectDB at all. Please check if you have conflicting ... that mentions X.jdo where X is the name of an entity class. I will check whether I have conflicting ... . Therefore, ObjectDB must check if such XML files exist. Checking if the file exist should not throw
6

Server connection management

have an internal connection pool that checks the health of a connection and reconnects if needed ... the thread and the socket. I just checked now and it seems to work well. Broken Connections on the Client ... and then the server gets an EOF notification. I just checked it on Windows XP. But it might depends
6

OptimisticLockException

if locking version-check is set false? are the changes from process B lost if process A subsequently commits ... : <locking version-check="false" /> correct? Is that all that is needed to switch from optimistic ... works for me: 1) standard config file with these changes: <locking version-check="false
1

Use temporary files to enable very large transactions

transaction size can be 100GB. Please check if this is sufficient for your current needs. support Support ... ="false" sync="false" path="." mode="write" />                 <locking version-check="true ... references. A check now shows that objects that are retrieved from the database, modified
1

ArrayIndexOutOfBoundException

exception? Please check the database with the ObjectDB Doctor. Are there any errors? What is the size ... the problem. Result from ObjectDB Doctor check is attached. The size of the database is cca 42 MB ... to the reported exception. We are currently checking this problem, and apparently it looks related
1

Unexpected exception (Error 990) on find

a separate private support ticket, and source code is not essential). Alternatively, you may check ... map values, but in this context, long strings as entity keys could be more relevant. Please check ... it with shorter values, but I will check on Monday. Probably its the combination of Key- and Value-Length. Stefan
1

Best practise loading big data

: Double check that you changed the cache sizes in the correct configuration file. Please read ... described before: - using a configuration with the attached configuration (double checked) - one open ... objects but maybe could happen with some heap size and GC setting. Can you check if GC is run
1

Tracking changes to new collections (in enhancement mode) after flush

? Can you check if it also happens with version 2.8.4? support Support yes, it is always the last ... will check it with 2.8.4 yet. btc_es BTC EmbeddedSystems We found out a workaround. If we touch ... of change events, including in embedded collections. We should check how this is implemented for nested

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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