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54

Searching lists within objects

want to search using cb.isMember passing an object. This however does NOT work. I'm uncertain how the database is doing its matching, but it looks to me like it matches using objectids, which means you can only match isMember if you have a database object. This does not help as I'm never going
53

Database Inconsistency or corruption

entity. 2-) Problem Description I initialized the database with some ObjectValues. Persisting new ... part of the log file. Before the update operation, I dump the properties of the object I want to update ... , isPersisted:=true ... After the update Operation I also dump the properties of the object. ObjectValue ID
53

Database(*.odb) file size on disk

reuses space of deleted objects but the database is never resized to a smaller file. Currently ... Hello, we have questions about the file size of ObjectDB database on disk. Can you tell ... memory always used by new entities? -Will be the database file automatically reduced? We have created
53

ClassCastException of same object type

I have ObjectDB partially working with my project. At the moment it seems to be saving objects and retrieving objects ok in the main project. However, when I make a plugin for the project, the new objects are persisted but not retrieved. I get the following error: java.lang.ClassCastException: org
53

removed objects stay with null field values in the reference

of the object that contains the set from the database, even if the object is not removed from the set ... ? hgzwicker Hans-Georg Zwicker No, after deleting an object it does not exist in the database anymore ... We have a class with a one to many relationship declared like this (1 or more objects of the same
53

Corrupted Database or error in ObjectDBExplorer?

. Only when an object is stored in the database (e.g. during update) with a schema that doesn't include field, ObjectDB ... Hello, we have problems when we open our Database file with the ObjectDB-Explorer (2.6.8_b8 ... the Database-File? An analysis with the DB-Doctor found no problems. We observe the error if we try to open
53

Storing Images and Object Pooling

successfully as an image database. ObjectDB includes many types of cache mechanisms, including object ... Hello we have heard your product and we will plan to use your product on image database. Is it good to use ObjectDB as image database? Image database just screenshots of desktops. 2- ) On JPA as
53

GWT RPC is throwing serialization exception when I have object db date value

. Persisting new objects seems to be ok but retrieving data from the database does not work. I'm using ... its Class object could not be loaded. For security purposes, this type will not be serialized.: instance ... for all of mine Data Transfer Object. But still I am getting this error. Note: (In gwt RPC you cannot use
10

Corrupt database page

Hello, we have encountered an issue, where a page of the database became corrupt. We are wondering ... . All rights reserved. Scanning the database file... ........................ 193MB (total) Analyzing database structure... 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% BTree Value Errors
10

Server Configuration

to the database (as explained in the JPA Overview section in chapter 3). The max attribute specifies the maximum ... , path, which specifies the location of ObjectDB databases that the server manages. The $objectdb ... of an ObjectDB server is similar to the document root directory of a web server. Every database file 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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