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1

Entity factory - best practices

Suppose I run a website that handles services such as user registration, user login checks, etc. I have all the credentials stored in an ObjectDB. Currently, each time user sends a request, I initiate a db connection by creating entity manager factory from db on disk, get the entity manager, modify
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1

how explorer queries work

the classes for running ordinary queries. However, if you use user defined methods in queries (ObjectDB ... for this new question. well perhaps my choice of topic is what's incorrect. explorer executes a user's ...  explain the mismatching. Try to avoid using user defined serializable non entity / embeddable classes
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1

java.nio.channels.OverlappingFileLockException

.UserPage.(UserPage.java:22) at net.pocketservices.athene.pages.user.LoginPage.user (process ... . the ObjectDB Explorer. If the database is not in use by another user you may want to try the solution
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1

like operator (String)

i from User i where i.status = :status and (UPPER(i.email) like :value) Now we assume that there is a user with following email 'test@mycompany.com' With :value  = "test" ObjectDB will find the example user. The like statment operates like "test%"  EclispeLink/OpenJPA/HibernateJPA handles the like
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1

lockfiles in client/server mode

i have an objectdb server running on localhost as user "objectdb", spawned like so: java -server ... test with my own account, or deploy a working webapp running as the tomcat user. for whatever reason ... tomcat, objectdb server and maven tests with my user account, and this has been successful since the ID
Issue
1

NPE when doing a find()

I added a simple User entity during Tomcat startup: class User {  @Id @GeneratedValue private long id; @Basic(optional = false) private String firstName; private String middleName; @Basic(optional ... .find(User.class, 1).  Then this happens: [ObjectDB 2.2.1_02] Unexpected exception (Error 990
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1

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

is impractical. If you are previously an EclipseLink or TopLink user you may well be taking ... .eclipse.org/mhonarc/lists/eclipselink-users/msg05258.html: Detached Objects get the connection need ... for ObjectDB users is that you may have to undertake significant recoding of your web application
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1

ORDER BY problem, when String starts with language specific character

Dear all, I have a problem with ORDER BY clause. I have a simple query: select u from User u ... ' for query: select u from User u order by java.text.Normalizer.normalize( u.name, java.text ... ' for query: select u from User u order by Normalizer.normalize(u.name, Normalizer.Form.NFD
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1

PersistenceException UserException: Failed to validate persistence.xml

, String>(); properties.put("javax.persistence.jdbc.user", "admin"); properties.put("javax ... " value="my.odb"/>
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1

Problem with log file in an embedded db with netbeans platform application

that crash the application. This is part of the stack trace: java.io.FileNotFoundException: file:\C:\Users ... :813) Caused: com.objectdb.o.UserException: Failed to create a new file 'file:\C:\Users\Ce\Desktop ... " value="admin"/>