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Tutorial
10

Report Generation with BIRT and JPA

will be presented in the BIRT report using a chart and a table: The tutorial consists of the following steps
Issue
9

Issue with UPPER ?

====================== Step 1: Process Mitglied ($1) instances --------------------------------------- [Step 1a ... ($1) instances. [Step 1b] Evaluate fields in Mitglied ($1) instances. Step 2: Process IndividualProfile ($3) instances   (for every result of step 1
Forum
7

composite index not used in query

used, query plan:  Step 1: Process Action (a) instances ------------------------------------ [Step 1a] Scan index com.agile.hummingbird.Action[startDate] locating all the Action (a) instances. [Step 1b] Filter the results of step 1a retaining only results that satisfy: (a.startDate>:1
Forum
5

Slow searching with two indexes

(this) instances that satisfy: (this.receiver==:r). [Step 2] Order the results of step 1 by ... 2] Retrieve fields in NmeaBatch (this) instances. [Step 3] Order the results of step 2 by ... that only has a few tens of different values.   When I query by just the primary key, it's (of course) extremely
Forum
5

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
Forum
4

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
4

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
4

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
4

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

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