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Forum
4

Performance in large transactions

  and  test2_ManyTransactions), mentioned in step 3, are not found in the projects. Please follow ... ; public class TransactionsPerformance { static int steps = 10000; public static void main ... );   for (int m = 0; m < steps; m++) {    TypedQuery q = em.createQuery("SELECT m FROM MyEntity
Issue
3

Mapped by fields are not initialized by JOIN FETCH in queries

As demonstrated in this forum thread, a mapped by collection field with lazy fetch mode is not initialized in results of a query that uses JOIN FETCH on that collection field (when enhancement is used).   Build 2.4.1_06 fixes this issue (fields are now initialized and the test in the forum passes
Forum
3

Dependency from enhanced classes to the objectDB library

, it worked. Can you tell us what we did wrong? Please provide step by step instructions on how to use ... ) at java.lang.ClassLoader.loadClass(Unknown Source) ... 78 more   How to use the example step-by ... ) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) Caused by: java.lang.ClassNotFoundException
Forum
3

JBoss 7 startup fails

the project by yourself step by step - maybe you misplaced a directory or a file. The error message ... get such errors. Thanks,   Argentino     Please provide step by step instructions for reproducing ... ] Package guest is not found by the enhancer (error 108) 13:49:37,705 ERROR [stderr] (MSC service
Forum
3

How to resolve 404 errors with Eclipse/Maven Spring MVC

was built by following the tutorial step by step, but updating the pom.xml file to use newer versions ... I have created a project as guided by www.objectdb.com/tutorial/jpa/eclipse/spring/run. When I ... The requested resource is not available. Apache Tomcat/6.0.36" I'd love to use eclipse to single step
Issue
3

each 1-2 days objects on some objectdb level lock/block each other

thread dump shows a page cache lock (0x00000000b6681e10) by one thread. The second thread dump ... have been produced with 20 cores. The problematic situation is not caused by any specific activity, we run ... queries that are too slow (and a few seconds could also be considered by users as slow), e.g. by
Manual
3

Database Explorer [2011-09-21]

directory a path to it has to be specified. Alternatively, you can run the Explorer by double clicking explorer.jar or by running explorer.exe (on Windows) or explorer.sh (on Unix/Linux, after editing ... . Recently used databases can also be opened using the File > Recent Connections command. By default
Manual
3

Database Explorer

directory a path to it has to be specified. Alternatively, you can run the Explorer by double clicking explorer.jar or by running explorer.exe (on Windows) or explorer.sh (on Unix/Linux, after editing ... . Recently used databases can also be opened using the File > Recent Connections command. By default
Manual
3

Retrieving JPA Entity Objects

of entity classes and to keep them simple as possible. Retrieval by Class and Primary Key Every entity object can be uniquely identified and retrieved by the combination of its class and its primary key ... except that if the entity object is not already managed by the EntityManager a hollow object
Forum
3

Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

from 1.x to 2.x. To activate the index the database has to be rebuilt by running the Doctor in repair mode. After fixing the index in that database (by running the Doctor) the query runs fast. Thanks ... " Does it mean that, before conversion, i need to do the following steps 1. Update the package.jdo