ObjectDB Database Search

51-100 of 108 results

ClassCastException of same object type

. This application previously stored data in csv files. The application works fine with no classloader issues ... but allow users to store in an ObjectDB for newer data. So is it a classloader issue for ObjectDb

Optimistic locking: prevent version increment on entity collection attribute

, because a document will not store any details on readers (the relationship is stored on the reader

How to Use a SF with extended Persistence Context?

for fast execution so I need to store the queries and I need an EntityManager that doesn't get closed ... for the guest in the DB. if it finds one it updater his date to the current date. if not, it stores a new

explorer NullPointerException

that, New Entity Objects To construct new entity objects and store them in the database, open ... button to construct and store the new entity objects. and I cannot create a new entity objects

Using of Second Level Cache

EmbeddedSystems The 2nd level cache stores object data (byte[]) rather than live entity objects, so references from a MyEntity1 instance to MyEntity2 and  MyEntity3 objects are stored in the 

General Performance Issues Illustrated with a Specific Method

;         store (emf);         retrieve(emf ... static void store (EntityManagerFactory emf) throws Exception {         

Explorer doesn't open file

refactored the code to store the value as a String and not a TimeUnit it works fine.  I shouldn't have been storing TimeUnit in the entity anyway as it is not a persistable type but it was in a super

enumeration table? how to on pure jpa?

Hello , I've relational db , and there is some table named enumerations with , some key and values.We will migrate to objectdb. Our problem is , we want to store some keys and values for global ... with two String fields key and value, and store your global properties using multiple entity objects

objectdb on single server 20TB storage possible ?

; Mitigation; Safe RET   Spec store bypass:      Mitigation; Speculative Store Bypass

Embedded Object inside another embedded object - is that possible?

I have an entity with an embedded object - it works fine. Now I am trying to add an embedded object inside the first level embedded object - but it does not seem to store it and does not throw ... .. so they were not stored as expected. Thanks for ur quick answer - btw ObjectDB is really cool EKK Emmanuel Keskes Thanks support Support

TimeSeries and ObjectDB

Hi, I am using ObjectDB for storing TimeSeries (large ones) - when I get new points to add to the TimeSerie entity - I currently have to retrieve the whole timerserie since beginning of time ... several options. According to your question it seems that you store an entire time series in

mapping file is not being loaded

the Metamodel API ( storing objects, etc)? Does it work? support Support So I changed the persistence

Pessimistic Lock Timeouts setting

is executed by a ThreadPoolExecuter and the result is stored in ObjectDB. Due to huge number

Is redirecting the log file possible

the EntityManagerFactory (or is it the EntityManager?) where to store the log-file

Objectdb Doctor

, which are not stored but rather computed on the fly by executing automatic queries). ObjectDB Doctor

Explorer in 2.3

us use to use the object graph stored in objectdb (and any methods in those objects) to produce values

Problem persisting a TreeSet field

the TreeSet explicitly - ObjectDB doesn't need a bidirectional relationship to store collections

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

ObjectDB embeddable Springboot

;How does odb handle byte[]. A byte[] field is stored in the containing object, as any other array

EntityManager refresh problem

object has not been stored yet in the database. If we change the code and add a flush operation

Cast exception?

(); Where the query is a NamedQuery store in Player class file: @NamedQuery(name="Player.getPlayer

Soft Reference Object Cache Recommendation

objects unless necessary (e.g. for dirty objects until commit). On the other hand the data store page

TemporalType injection with Calendar using JPA

;The term persistable types refers to data types that can be used in storing data in the database

How do handle fields with java.net.URI class

. How can I deal with it? PS: The only solution I found is to use @PrePersits + @PreUpdate and store

EntityManager getMetamodel() causes crash

, 997) (998, 998) (999, 999) If I then add one line of code to your example code: : // Store 1000

Failed to commit transaction: Attempt to reuse an existing primary key value (613)

Assuming the error message is correct - you are trying to store more than one object in the database

Schema evolution & renamed/moved enum

Hello, I have an entity with an attribute of type enum say com.pkg1.MyEnum. I created a few instances of the class with this attribute of type com.pkg1.MyEnum and stored them in the database. Now, I moved that enum to a different package and renamed it say com.pkg2.MyNewEnum, which is not the new

Catching exceptions from online backup

it would have run fine. However the backupThread object has the exception stored in itself in field

WORM (Write once read many) support

which acts as archiving device for processing and storing logs, records and transactions. Hardware

multiple different applications access one odb file

a database especially the one who is a central data store . Is there any plans to create a JDBC driver. Or as

How to disable Transparent Update.

that you store in the database. support Support Ok Thank You! Manoj Manoj Kumar Maharana

DB Doctor sets type to "unknown" for new fields

objects remain with the old schema until the next time they are stored in the database

Beginners questions

Hello !! I am new in JPA / ObjectDB development and I have many questions:   1. General questions 1.1. If I understood correctly, ObjectDB is an implementation of JPA standard (currently 2.0)? 1.2. Is ObjectDB on the same level like Hibernate with only difference that Hibernate stores

persitencia (Preguntas y respuestas)

If previously stored objects are missing it could be either due to a failure to persist them, failure

ObjectDB Clustering VS Hadoop Hbase

Future ObjectDB versions may store data on top of the Hadoop distributed file system (as HBase

DB reading fails in debug mode in Eclipse

Hello, I got an unpleasant bug which turned into a serious issue. Using ObjectDB 2.6.9.b08 on Linux. Here is the structure (JDO metadata) of 3 classes which I am storing as values in a HashMap of another entity in the DB.                  

Vacuum - Reclaiming Unused Space In Odb

! CAPdev CAP Dev Unused space in the database is automatically allocated for new stored data, so it is not

Future JDO versions?

We are about to release our first product using ObjectDB (as a small embedded store ), and soon hope to release a much larger product using ObjectDB (will need an OEM license).  What really interests us is JDO.  We have been using JDO for over a decade and have found it consistently a far

ArrayIndexOutOfBoundsException on flush

of the objects that are being stored . The process in test was working ok until the start of this week ... to in the first exception is stored in a HashMap object within the parent entity: @OneToMany

combined index not used

are the statistics stored in the database file ? hgzwicker Hans-Georg Zwicker Yes. The statistic info is stored in the database file and only replaced with new info when that query is run

[ObjectDB 2.6.0_04] Unexpected exception (Error 990) com.objectdb.jpa.JpaQuery.getResultList

are not found in the data store where they are expected to be temporarily stored . As a workaround

[ObjectDB 2.3.7_25] Unexpected exception (Error 990)

. There was a change in the way byte[] arrays are stored in ObjectDB. In theory this should not affect existing ... these objects to be stored in bad format is still required. support Support

Compare two schemas or odb files

graphs stored in the db with old graphs from backup db. wua Andreas Wurm

Unlimited JPA Persistable Types

I think it would be revolutionary if it were possible to persist any Java object, not just the standard SQL-based objects. Perhaps introducing an annotation will allow for this, something like @BasicType. The ability to store the state of an entire application would be a new innovative approach

probable error in text of manual about embeddable classes

other entity objects and do not require separate space allocation and separate store and retrieval

Can't open DB-file with explorer, but from within my code it works

------------------------- The Stacktrace: [2013-04-12 15:58:51 #1 store ] Database 'C:\Users\thomas\Downloads\objectdb-2.4.7_18

Exception on the recovery of a database

I've had this exception on the recovery of a database: [2011-11-06 04:33:41 #19 store ] Exception during recovery of 'F:\calculationservice\objectdb\dbs\admin\WorkflowHistoryArchive.odb': java.lang.ArrayIndexOutOfBoundsException at java.util.zip.CRC32.update(CRC32.java:43) at com.objectdb.o.PAG

Enum fields are set to null and embeddable enum class does not show in explorer

inheritance information is stored in the database, but not for enum types), and therefore cannot read

Negative snapshot user count exception

could be to store many large objects and then to delete them, creating more space and avoiding resizing

ArrayIndexOutOfBoundException

(SecuredPrintQue.java:350) [2013-05-27 16:27:57 #39 store ] Database 'C:\SafeQORS\server\cache\MainORSCache.odb