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8

PersistenceException UserException: Failed to validate persistence.xml

. What is the "!" character at the beginning of the path, is it part of your path? Could you try moving your project to a path with no special characters? I don't know if it would solve the exception but it is worth trying. support Support Thank you. But path acts right way. Finally I've got it. I
8

ODB tries to create log files inside its own jar on Win7

plugins so it seems to be related to packaging. Configuration and logging paths are by default ... :) - the result could be a failure to handle these paths. Setting ObjectDB Home ($objectdb) explicitly ... to the build path as an external jar, and wrote this one-class program: package test; import javax
8

Online Backup in client-server mode

the path on the server machine to which to write the backup file and no temporary file ... the ObjectDB manual. Indeed we've had the File as the parameter. But now it seems, that the Absolute path on Linux/MacOS is not working. When I enter the path /tmp/odb_backup it is still creating backup
8

Help with JPA2 Criteria and conditional operator grouping

);   ParameterExpression<String> nameParam = builder.parameter(String.class);   Path<String> namePath = root.get("companyId");   Path<Boolean> conditionOnePath = root.get("conditionOne");   Path<Boolean> conditionTwoPath = root.get("conditionTwo");   Path<Boolean> conditionThreePath = root.get("conditionThree
8

LEFT JOIN FETCH over empty embedded collection returns no results

First of all, thank you for promptly implementing JOIN FETCH over nested paths in response ... Schreiber The problem may be with the expression c.bList.val. Path expressions are considered as INNER JOIN by JPA, although apparently it makes sense to consider path expressions in LEFT JOIN FETCH
8

unable to update table in slave server database

" /> <recovery enabled="true" sync="true" path="." max="128mb" /> <recording enabled="true" sync="true" path="." mode="write" /> <locking version-check="true" /> <processing cache="64mb" max-threads="10 ... of the master and the slave database. As slave database is storing data in replication path
8

Does ObjectDB support lazy loading?

static void main(String[] args)   { String path = "test.odb"; EntityManagerFactory emf = Persistence.createEntityManagerFactory(path); EntityManager em = emf ... ? public static void main(String[] args)  {     String path = "test.odb";     EntityManagerFactory
8

Problem with Criteria Querys

>, Expression<? extends Number>) in the type CriteriaBuilder is not applicable for the arguments (Path ... <? extends Number>) in the type CriteriaBuilder is not applicable for the arguments (Path<Object ... ");     ParameterExpression<Double> p2 = cb.parameter(Double.class, "p2");     Path<Double> lon = d.get("lon");     q
1

Alias not used in ORDER BY

Hi, I am doing something simple like final Root<T> from = criteria.from(T.class) final Path<?> path = from.get("someStringProperty") final Expression<String> upperPath = builder.upper((Expression<String>) path); upperPath.alias("TEST"); criteria.multiselect(from, path); criteria.orderBy
1

Compatibility Problems Upgrading from 2.6.9_04 to 2.7.6

to 2.7.6. The desired path was to upgrade the database servers to 2.7.6 first, followed by the code. I ... serialVersionUIDs and mismatched .odb$ write files. Is this a supported upgrade path? Thanks, Clinton CAPdev CAP Dev > the desired path was to upgrade the database servers to 2.7.6 first, followed by

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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