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1

How to do an Offline Database Backup?

These are questions asked in the context of the proposed architecture described in the forum thread titled, "Sample JDO Architecture for Follow Up Questions".   I desire offline backups.  I must close all connections, wait for current database activity to stop, and prevent new connections
Forum
1

Inconsistent return types from JDO query

types. I am attaching sample code which reproduces the problem. Thank you for this report
Forum
1

InternalError on multiple AND and JOIN Query

(RemoteTestRunner.java:197)   I have attached a sample project demonstrating this exception
Issue
1

InternalException when using MEMBER OF on a large list in a query

it's best if you analyse the sample. The example works if you reduce the count (line: 31) to 20.000
Issue
1

Issue with cascade delete & add/remove

Hi, Please see the attached sample project (important: classes need to be enhanced as done in the pom.xml file). What happens: We have two entities Address & Contact. Contact keeps a collection of Address which cascades deletes (orphanRemoval=true) to its children which is what we want
Forum
1

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

to solve this? Do you by any change have some sample projects for OSGi? I hope I don't have to drop
Forum
1

JPA Query language support in OBjectDB / Sub query or nested Query

Hi Wanted to check with you on the exact level of support of JPA QL within the ObjectDB world. I have given a sample typed query below which fails to work with ObjectDB and it runs very well with the Hibernate/MySQL JPA. We are using Spring Data here. It looks like a problem with Sub query or
Forum
1

LEFT (OUTER) JOIN problem when mappedBy is defined

JOIN works correctly. Is this normal behaviour? Thank you Michael   Sample application public
Forum
1

Mysterious "Attempt to persist a reference to a non managed instance" error

instance Sorry for the wrong answer: Here is the final sample:- Bus.class @ManyToMany(cascade
Forum
1

Object explorer cannot open odb file. ObjectDB many-to-many relationship

relationship wasn't the problem but the id class. Anyway, build 2.3.4 fixes this bug and now your sample