ObjectDB Database Search

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java.sql.Time field off by 30 minutes

; //()Refresh read back         em.refresh(e);         System.out.println(e);         //() Read

Query can't see recently persisted object

When using container managed transactions (EJB) in Payara 4.1.3 with ObjectDB embedded, ObjectDB does not appear to present a read consistent view of persisted objects within the same ... to manage the transaction. Is there a way of using or configuring ObjectDB to ensure  read

Database corrupted after schema change

Serializable, DCG, C { ...} public interface DCG { ... } with this code the app was reading TC ... { ... } After this change the app starts, it only reads the objects, no writing happens

Does ObjectDB support lazy loading?

. However, when the Parent object is read from EntityManager, all the properties except ID of the Child objects are null ... to @OneToMany(fetch=FetchType.EAGER), the properties can be read . It seems to me that ObjectDB doesn't

newbie - lots of exeptions

to read from file 'C:\Users\ADMINI~1\AppData\Local\Temp\1\objectdb_8889438785985987880\list_21.val ... .objectdb.o.UserException: Failed to read from file 'C:\Users\ADMINI~1\AppData\Local\Temp\1\objectdb

multiple different applications access one odb file

would be for API and BI, one would need to read data from the xyz.odb ... .emil Emil Perić We can investigate the option to work on a very basic read -only JDBC driver

Server connection management

on the Server The server handles every connection using a dedicated thread. This thread uses blocking read ... replicated servers that can be connected automatically by the client (in read only mode) in case the main

How to package orm.xml when using EJB in WAR?

annotated with @Startup can access the database OK for both read and write, suggesting that the orm.xml ... and deployed, this error message pops up: Caused by: com.objectdb.o._PersistenceException: Failed to read

JPQL Error

.InternalException: Error reading UTF string com.objectdb.o.InternalException: Error reading UTF string at com

Schema Update: class hierarchy change

.PersistenceException Failed to read the value of field field profileMigration.classhierachychange.Test$NamedEntity.name ... by: com.objectdb.o.UserException: Failed to read the value of field field profileMigration

database optimization

slower than read queries, on the same set of objects.       dmoshal David Moshal Memory ... to conclusions too early, measurement of milliseconds might be distorted because of many other reasons. Read

Unexpected exeption

Hello, we got following exception. Do you know why the exception is thrown? Exception in thread "Thread-39" com.objectdb.o.UserException: Failed to read from file 'C:\Users\DEVELO~1\AppData\Local ... EmbeddedSystems The stack traces are related to issues with writing and reading from that database file

OutofMemory error with Object DB 2.0

size of 1024MB, I get this error. The application reads xml file of around 1GB and creates a new ... one by one and commits the transaction for every 200 records ( reads from xml

Updating Entities

and still read those changes? If UPDATE queries don't seem like a valid solution then I'm still likely ... is a very basic principle of JPA. See this manual page . You should have read it in the manual

Improvement in replication

Hi, I was thinking about some improvement in replication mechanism. Our application do only few writes (mostly reads ), but those writes are important for us - objects rating, profile modifications. So in current implementation when master node dies, there is only a chance to read data from slave

Open several objectdb databases the same time

more Is it possible to open object db files in read only mode from several application instances? Harman Alexander ... -server connections. support Support What about database access performance ( read /write speed

package.jdo validation error (Connection timed out)

HI, I am trying to read the odb file generated using objectdb 1.0. Using converter.jar, i converered to new objectDB file and then was trying to read the file and i got the following exception. com.objectdb.o._JdoUserException: Failed to validate xml file \RTDLogger.jar#package.jdo: Connection

find repeated records by JPQL

thread "main" [ObjectDB 2.2.9_03] javax.persistence.PersistenceException Failed to read the value ... : Failed to read the value of field field image.URI.baURI using reflection at com.objectdb.o.MSG.d

ClassCastException on closing PersistenceManager

Hi, I am using ObjectDB 2.6.3.b03 via JDO. Today I got the following exception while closing the PersistenceManager after reading the DB: java.lang.ClassCastException: com.objectdb.o.ENT ... again to a working backup of the DB. It is quite alarming. jakab Gergely Jakab I just read ur answer

exception during online backup

hi   from time to time i get exception during online backup in server/client config: Exception in thread "Thread-0" com.objectdb.o.UserException: Failed to read from file 'D:\twozniak\Desktop ... .readBytes(Native Method) at java.io.RandomAccessFile. read (RandomAccessFile.java:338) at java.io

Database is locked when in use

I am oberving that when i reading anything from odbfiles, i am not allowed to copy and paste the odb files in the file system but the same i was able to do it in object db 1.0. We supprt export functionality and if i am not allowed to copy it in objectdb 2.x, then its a problem

Programatic configuration or configuration file loaded from classpath or file

, it must be read from the configuration file. b) ) Is it possible to place the configuration file in

mapping file is not being loaded

Hi, I am evaluating ObjectDB by using it with an in-house developed library in order to prototype its capabilities / performance. I am having a problem in that the in-house library in question reads a simple configuration file to determine available persistence units, and then bootstraps

CriteriaQuery .where() for multiple conditions

have tried the below and it works but not sure if it's the best way to do it or not? public Person read

What are the steps of creating small web app?

me before I start? Thanks so much for reading taher9990 TAHER AHMED BAHASHWAN In this forum

DB Explorer and Doctor unable to open DB file

; My application can work with the DB file without difficulties though ( reading and storing the embedded type

Activation Issue

When I read your clarification at #3 I first thought that you were using a different machine in

Extended mapping-definitions

it to the 'table' MetaClass, but read the value val = obj.getName() and persist it to the 'table

connection pooling

read that section carefully, thank you. The connection parameter: is for any JPA, and not just

Data portability

Hi, I've never used an OODB, I'm looking for a starting point but a recurrent concern is the Data Portability one. More clear: what options / strategies do I have to export / move my data to another  tool, if there is a need to? One key point of Ojectdb (as far as I had read ) is Code

explorer feature request: ability to auto refresh

Request for feature: Ability to auto-refresh an explorer view, say at regular intervals of a few seconds. (at a minimum one ought to be able to manually refresh, for example the list of persistent types). additionally, it would be useful to be able to view an embedded database ( read only mode

Cast exception?

on the middleware which I didn't quite understand the first time I've read it: Libraries deployed

Soft Reference Object Cache Recommendation

, and a soft reference when the byte[] only needs to be read and sits in the cache until more heap RAM

List of Enum Values in an entity

, but not read . The "toString" method always tells me that the flags are null. Flashbaer Flashbaer

ODBC - How to create a DSN connection in Window

, so you will have to implement your own custom DSN driver (possibly read only, if your aim in just retrieving data). support Support

Executing JUnit "all tests" throws "Object ... belongs to another EntityManager" Exception

Good day! I wrote some JUnit tests that create separate objectdb databases and exercise the entities therein (via read /write operations). The tests run fine individually, but when I run "all tests," one fails consistently with the message: com.objectdb.o._JdoUserException: Object 'actr.model

Internal exception in objectdb-2.4.4_17.jar

Trying to read from ODB we are experiencing the following Internal Exception.  Any ideas? Caused by: com.objectdb.o.InternalException at com.objectdb.o.BYR.s(BYR.java:113) at com.objectdb.o.BYR.A(BYR.java:206) at com.objectdb.o.STT.m(STT.java:111) at com.objectdb.o.TYR.readStringValue(TYR

ODB-FileWriter holds unecessary entity reference after transaction and entity manager are closed

a MyStepBlockCollection with read access. If all of them potentially hold this amount of memory ... how can we make sure that memory is freed (without splitting the reading transaction into arbitrary

Navigation through lazy loading from Detached Objects

. [Recommended reading JPA Pro 2: - p.164 to p.168 Working with Detached Entities - p.222 Fetch Joins ... anymore) have long life. So feedback is needed. support Support confirming have read and will try

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

to reading from the database file using the new "objectdb.temp.concurrent-file- read " option. In both cases

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

: SectionClassifier{2-merger[2699]-missing:1}     on running Doctor it hangs after reading in the database ... versions with the concurrent read queries that have been solved for us with that version. We double

An entityManager.flush() with many entities is not possible

Failed to read from file 'C:\Users\pg\AppData\Local\Temp\ObjectDB\objectdb_2254766968035459242 ... .run(Unknown Source) Caused by: com.objectdb.o.UserException: Failed to read from file 'C:\Users\pg

EOFException

.3_06] javax.persistence.PersistenceException Failed to read from file 'F:\calculationservice ... : Failed to read from file 'F:\calculationservice\objectdb\dbs\workflow\uatsrtlonw242-WSAgent-2-Graphs.odb

NullPointerException in ENH.g(ENH.java:401)

most of the content but one corrupt instance is still included). I error happens when reading the field "Event ... read the field "Event.participants" from any of them). Thanks in advance Markus Ritter

NullPointer when accessing entity field

) It is very strange that the problem occurs when accessing field of enhanced class but not during reading ... : for single read /write/update/delete: - we create new EntityManager, do the operation in transaction

Multiple files support for search and persist

and multiple disks, and splitting read activity between slave servers. increasing RAM

InternalException: null

Hi! when I run my application where 10 threads are concurrently accessing ObjectDB (only reading ) via using ExecutorService, then these 2 mistakes are coming rapidly: 1. Caused by: com.objectdb.o._JdoObjectNotFoundException: Entity is not found: eu.extech.data.versioning.ProductVersionHistory#3669

JDO PersistenceManager.getSequence() returns null sometimes

package; you can verify that it is being read at run-time by introducing an error such as an invalid

How to change properties in urls2.xml ?

request, so it should have been posted to the forum and not to the issue tracking system. Please read

Server NPE

with a server-based database - 2 writing to the db, one reading . I had added an index to a property