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40

unable to update table in slave server database

Hi, We are facing below issue in objectdb clustering. Currently in objectdb clustering when master server is down ,in slave server during update operation in table getting below issues. Failed to commit transaction: Attempt to commit a transaction in read only mode[ObjectDB 2.8.2] javax.persistence
40

Class loading problem with private packages in OSGi environment

we have in the Business Layer private packages that are not exported. The entities implement ... changes. Important for us is that we find a solution that always works in the future. btc_es BTC ... . Why is this necessary, is not clear to us. The ObjectDB type manager loads all the interfaces in
39

Project runs in Eclipse but not when exported to runnable jar

done relating to objectdb. javax.persistence_2.0.3.v201010191057.jar and objectdb.jar are included in the build path, and are present in the compiled file, as is the test GliderCalcs.odb file created by ... , this is a hobby project, please excuse any travesties in my code. Many thanks in advance, Mark merichards Mark
39

Level 2 cache not hit in @ManyToOne

2 JPA cache is activated and it works ok for find by id (tested by changing data in explorer and reading in my app). Problem 1: find by id on Item it's good, it hits the cache, but not for its field "user". "user" is loaded each time from the DB (tested by changing data in explorer and reading in
39

IN operator syntax

Hi, what is the correct syntax for IN operator when list of literals ia used instead of parameter, e.g. SELECT FROM Info i WHERE i.status IN (1,4) ? (Suppose status is int.) I always get this exception: SELECT FROM Info i WHERE i.status IN (1 ==> , <== 4) javax.persistence.PersistenceException
39

Object DB In memory : without Filestore

completely in Memory ? (without any writes to Disk, it's okay to loose the data if the node is down ). I ... the Object DB completely in memory without disk storage. thanks, Sandeep Sandeep Sandeep Dhamale At the moment, ObjectDB doesn't support pure in memory mode, but it still can be used completely in
39

Empty temporary dat files in the temp folder

Hello, We have questions regarding the pagesX.dat files in the temp directory. We detected ... , begin a transaction, do some stuff (find, persist, remove …) and then commit or in the case of errors rollback the transaction and closing the EntityManager. In some scenarios we use additional databases
8

Unexpected Query Token / Casting in Query

.IndividualContactDebitorAccountFragment')).debitorAccount.bankAccounts.routingNumber) LIKE UPPER('%28%') results in the error ... stills results in the same error so it's not because of the upper like I've again initially thought ;) thanks!! Alex quasado Alexander Adam I fixed some issue in ObjectDB in navigation after casting
8

Error reading UTF string (Serialized Objects in Explorer)

. support Support hmm weird.. ok here it goes again quasado Alexander Adam There is a problem in retrieval ... of this type in the explorer (by right clicking the type in the Schema tab and selecting Open Tree Window ... . It seems that there is a problem in reading the pricing field, whose type is serializable (Money). Using
7

Exception in thread "main" java.lang.NoSuchFieldError: __odbTracker

is initialised i got an exception Exception in thread "main" java.lang.NoSuchFieldError: __odbTracker ... interface com.objectdb.spi.TrackableUserType but it has no __odbTracker field which is referenced in ... capable class). In addition, you should enhance all your classes in one run. support Support hi

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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