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12

Performance problem

.createEntityManagerFactory(             "objectdb://10.10.10.14/E_POLICIJA.odb;user=admin;password=admin ... =         Persistence.createEntityManagerFactory(             "objectdb://10.10.10.14/E_POLICIJA.odb;user ... or need information for a particular user. For example we have a class user which has attributes
12

Trouble bug on explorer

.PersistenceException Failed to set numeric value of field field model.User.gid using enhanced method ... .objectdb.o.UserException: Failed to set numeric value of field field model.User.gid using enhanced ... .lang.IllegalArgumentException at model.User.__odbSetNumMember(Unknown Source) at com.objectdb.o.UMR
12

Unable to convert 1.x odb file to 2.x

) Broken references have been found:   Type eu.extech.quant.data.user_attribute.UserAttributesMap ... the log file: [2014-05-06 10:58:29 #53 type.registry] New type eu.extech.quant.data.user_attribute.UserAttributesMap [2014-05-06 10:58:29 #54 type] Type eu.extech.quant.data.user_attribute
11

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

in attachement) @Entity public class User {     @Id     private String code;     @OneToMany(mappedBy = "user") @MapKey     private Map<Assignement.PK, Assignement> assignements; } @Entity ... = false)     private User user;         @Id @ManyToOne(cascade = CascadeType.ALL, optional
11

Handling deleted references

the following hierarchy: class User { Profile profile } class Profile { ... } Whenever the profile of a user is set to null we create a new (default) one to achieve that each user ... initial values and no version. To simplify the use case I added a @PostLoad method to the User class
11

JSON serialization and __odbHidden members

). Here's my class: public class User implements Serializable { private Long id; private LoginInfo ... ; private Profile profile; private List<Comment> comments = new ArrayList<>(); public User ... (String eMail & password with relevant getters/setters) RESTful service class: @Path("/user
11

Replication error on slave restart

="50" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr ... > <connection port="6136" max="100" /> <data path="$objectdb/db" /> </server> <users> <user username ... " /> </user> </users> <ssl enabled="false"> <server-keystore path="$objectdb/ssl/server-kstore
2

javax.persistence.criteria.CriteriaQuery

is CriteriaQuery for some user-defined class X (i.e., a criteria query object created by passing a X class ... from the query execution. If the type of the criteria query is CriteriaQuery for some user-defined
2

each 1-2 days objects on some objectdb level lock/block each other

" threshold="256mb" /> <network inactivity-timeout="0" /> <url-history size="50" user ... .odb;user=admin;password=admin" /> </server> --> <users> <user username ... " /> </user> <user username="$default" password="$$$###"> <dir path="/$user
0

setConnectionUserName(userName)

Method javax.jdo.PersistenceManagerFactory void setConnectionUserName( String userName ) Set the user name for the data store connection. Parameters: userName - the user name for the data store connection. Since: JDO 1.0

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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