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Concerning coding style of the example in the posting instructions

(This forum item was spawned from discussions in a private helpdesk ticket.) I write with reference to the coding example in the posting instructions and many of your other examples posted in ... , compliant entity classes belong in separate files. Secondly, in many forum posting examples, package

Deploy ObjectDB in WildFly 10

Hi, I'm currently evaluating ObjectDB and try to deploy my project in WildFly 10. I've installed ObjectDB in the modules directory and added a persistence.xml file: <?xml version="1.0" encoding ... jboss.deployment.unit."omd-in-memory-db.jar".FIRST_MODULE_USE: org.jboss.msc.service.StartException in

Cannot sort descending, when ordering by caluculated float in a method

Hi, I have found an issue in ordering by a method. I have two entities : Invoice and InvoiceItem ... anaq x EDIT: I have found out, that ordering doesn't work in this case at all - it was only a luck ... . It seems that mapped by (inverse) fields are unavailable to methods in queries, regardless

java.lang.ClassCastException in OSGi runtime when loading data from DB

Hello, I'm trying to use ObjectDB in an OSGi environment (Karaf 4.0.7). I'm now facing ClassCastExceptions on my "entity" classes when I try to read data from the DB. In a very old (2011?) forum ... . The entity obviously has to get loaded by all bundles in order to manipulate the data. This is the code

The server cannot start in CentOS

. If you want to start it in the background, try: java -cp objectdb.jar com.objectdb.Server start ... Try to remove the ip attribute in the configuration. The exception that you got might indicate ... Please read the previous reply (#6). support Support I do remove the ip setting in server's objectdb

Bulk update of embedded entities in linked list

Hi, I'm trying to do a bulk update of a column in an embedded entity, but I end up with a query ... of the child entity. The column in the parent entity represents a linked list of an embeddable class ... (); The dot before "Column1" in the SET part of the query is causing the "unexpected query token

JPA inheritance issue with ObjectDB - Field not found in type error

get the following error: Error executing query: Field 'retired' is not found in type 'com.divudi.entity ... { // ... } Does anyone have any idea how to resolve this issue with ObjectDB? Thanks in advance! This is the method in abstract facade. public List<T> findByJpql(String temSQL, Map<String, Object

Online Backup in client-server mode

. Can it be improved? In my opinion the server proces should handle whole backup proces and do it as efficiently as the embedded mode does it. thamal Tomas Hamal Actually in client-server mode ... should be created. See also the ObjectDB manual. support Support Hello, Thank You, I missed that part in

Password in Embedded Mode?

Is there a way to setup a database file that will be accessed in embedded mode ... without providing the correct password when obtaining a connection. In my case, I'm interested in ... ) only in client-server mode. It seems that in embedded mode password protection would be useful

NullPointerException in __odbGetNumMember

Hi, When deleting an entity "Mitglied" -> everything works fine. Trying to delete another one (in a separate transaction) always causes a NullPointer Exception in __odbGetNumMember line 1 of the enhanced Mitglied class. I am unable to replicate it in a simple testcase but it always happens in

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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