About relation

forum_thread

Online backup problem

Hi, We are trying to create a servlet that performs database online backup. Unfortunately, even though no exception is thrown, backup files aren't created. When I turn on DEBUG logging in ODB, I get multiple ClassNotFoundExceptions like : #1 2011-06-28 09:33 Hi, We are trying to create a servlet that performs database online backup. Unfortunately, even though no ...

 
manual

WHERE clause (JPQL / Criteria API)

Explains how to use the WHERE clause in a JPQL query. The WHERE clause adds filtering capabilities to the FROM-SELECT structure. It is essential in any JPQL query that retrieves selective objects from the database. Out of the four optional clauses of JPQL queries, the WHERE clause is definitely the most ...

 
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Eclipse - Maven - Dependencies not getting automatically reflected

I have installed Java 1.7 Eclipse Juno From Eclipse Market place have installed - Maven Integration for Eclipse WTP (a.k.a m2e-wtp), m2e-apt, Spring IDE, The Spring Tool Suite™ (STS) Have defined M2_HOME as directory where Maven is installed. PATH updated as %M2_HOME%/bin I am working on Windows XP. #1 2013-12-22 22:46 I have installed Java 1.7 Eclipse Juno From Eclipse Market place have ...

 
issue

NullPointerException on initial database creation

I'm getting the following exception on initial creation of a database.  There's no indication as to what's wrong and there's nothing in the log.   Bug Version: Priority: Normal Status: Active Replies: 2 Type:  Bug ...

 
forum_thread

String Encoding Issue

Hi all Encounter a character encoding issue when i try to retrieve a String column containing Chinese character. Retrieve a String column on odb file.  em = emf.createEntityManager(); Query query = em.createQuery("SELECT fu FROM FarmUnit fu"); But, when try to print the value out as: #1 2011-06-23 04:30 Hi all Encounter a character encoding issue when i try to retrieve a String column containing Chinese cha ...

 
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InternalException & UserException using objectdb with Jboss AS 7.1.1 final

Hello. We are currently using ObjectDB in application server Jboss as 7.1.1.final. ObjectDB version is 2.5.3_02. The following errors occur when multiple ajax requests are executed: Caused by: com.objectdb.o.InternalException: Error reading UTF string Caused by: com.objectdb.o.UserException: Mismatch client-server protocol prefix Our current settings: Persistence.xml: #1 2013-10-08 10:48 Hello. We are currently using ObjectDB in application server Jboss as 7.1.1.final. ObjectDB version is 2. ...

 
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javax.persistence.PersistenceException

Hi I am trying to get a basic EclipseRCP project working with Objectdb. At the very first line in creating a View public void createPartControl(Composite parent) { EntityManagerFactory emf = Persistence.createEntityManagerFactory("$objectdb/db/pilots.odb"); I get the following "javax.persistence.PersistenceException: No Persistence provider for EntityManager named pilots.odb at javax.persistence.Persistence.createEntityManagerFactory(Unknown Source)....." #1 2011-06-19 07:32 Hi I am trying to get a basic EclipseRCP project working with Objectdb. At the very first line in creatin ...

 
forum_thread

Crash due to memory problems

We had a crash of our system, log reports the following: ... #1 2016-11-14 06:42 We had a crash of our system, log reports the following: ... [2016-11-10 08:28:14 #11 server] ...

 
forum_thread

Empty query results after JAR creation

Hi, I struggle with a strange issue. I've embedded ObjectDB in a small application to query cases. Within Netbeans everything works fine but when I create a  JAR File and executed via "Java -Jar xyz.jar", I get either empty results or on some cases a "NoResultException" which appears to report the same issue. I've created a small test case (attached zip file) with sample DB to reproduce the issue.  #1 2012-04-24 04:03 Hi, I struggle with a strange issue. I've embedded ObjectDB in a small application to query c ...

 
doc

java.lang.Throwable

The Throwable class is the superclass of all errors and exceptions in the Java language.(Class of java.langClass Throwable)