About xml

forum_thread

JPQL IN Operator

How can I use the standard JPQL IN operator with ObjectDB? This JPQL query works fine with EclipseLink / postgres but throws an exception in objectDB: select distinct dv.creationtime from DataValue dv where dv.capabilityId.capabilityId ==> in <== :capabilities and dv.creationtime >= :earliest and dv.creationtime <= :latest order by dv.creationtime ASC [ObjectDB 2.2.9] javax.persistence.PersistenceException Unexpected query token 'in' (error 752) ... my db-lib module, all static metadata loaded from xml files, so now I can get down to some serious bench marking and volume ...

 
forum_thread

On initialisation of lists: impact on migration from EclipseLink to ObjectDB

I would like to draw the attention of those assessing migration from EclipseLink ORM to ObjectDB to a significant difference in the initialization of persistent lists, namely that EclipseLink injects a List implementation into the List field to be initialise it during EntityManager.persist(). So in EclipseLink the following works: public class HasListOfBlocks { .. ... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ...

 
release

2.3.6

... support of @Column(unique="true") and equivalent ORM XML ( issue #79 ). Fixed @PrePersist on merge to be called ... parameter ( issue @45 ). Fixed pom.xml files in the Maven tutorials to use Java 1.5 / 1.6. Version ...

 
forum_thread

Iterating over large result set

Hi, Few days ago I was writing some code to iterate over quite a large dataset. Fitting those data in memory was quite a challenge even with 3GB heap space. So I did paging using two loops. ... entity objects to DTO and then converting DTO to json / xml using Jersey. This way I can be sure that there is no infinite loops in ...

 
forum_thread

lockfiles in client/server mode

i have an objectdb server running on localhost as user "objectdb", spawned like so: java -server -cp /usr/local/share/objectdb/objectdb.jar: com.objectdb.Server -conf /etc/objectdb/objectdb.conf start it has naturally created and taken ownership of /tmp/ObjectDB. ... unit is defined in src/main/webapp/META-INF/persistence.xml with a jdbc URL that looks to me as though it ought to connect to the ... is not the one that is in use. Try inserting a deliberate XML error to the file, if the client starts this configuration file is probably ...

 
forum_thread

type.loader java.lang.ClassNotFoundException

ObjectDB objectdb-2.2.5_03 in client-server mode Netbeans ID6.9.1 Glassfish3.0.1 With server logging turned on I get the following error message for many (or all) encountered classes: ... build/web/WEB-INF/classes/META-INF/persistence.xml     build/web/WEB-INF/classes/com/greensoft/* ... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ...

 
issue

JPQL Case Statements (JPA 2.0)

JPQL 2.0 adds support of CASE statements in queries for conditional expressions (similar switch/case/default in Java), following the SQL syntax. Case statements are currently not supported by ObjectDB.... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ...

 
release

2.3.5

... support of @Column(unique="true") and equivalent ORM XML ( issue #79 ). Fixed @PrePersist on merge to be called ... parameter ( issue @45 ). Fixed pom.xml files in the Maven tutorials to use Java 1.5 / 1.6. Version ...

 
issue

ObjectDB enhancement fails on "is" form for @Transient boolean isLoaded(), ok for "getter" form @Transient boolean getLoaded()

Older objectdb-2.4.0_06, Java6. For the following (note the use of "is" form) in a class Element I encounter ObjectDB enhancement errors: ... Specialists in model-based UML, SysML, Enterprise Java, XML, and Drupal CMS web engineering. Dr Darren Kelly, BSc, PhD, ...

 
forum_thread

Login Error (bad username 'admin' or password)

I am getting following error when i am trying to connect to server: [com.objectdb.o._PersistenceException: Login Error (bad username 'admin' or password)] with root cause com.objectdb.o.UserException: Login Error (bad username 'admin' or password) at com.objectdb.o.MSG.d(MSG.java:61) at com.objectdb.o.HND.K(HND.java:210) at com.objectdb.o.SHN.K(SHN.java:208) at com.objectdb.o.HND.run(HND.java:132) at java.lang.Thread.run(Thread.java:662) Here is my connection string: ... are in use. Maybe you should try to insert an XML error deliberately to the objectdb.conf file and restart the ...