Fast Object Database for Java - with JPA/JDO support

Internal Website Search

51-60 of 168 resultsRefresh

Should I be able to persist a JFrame (or gui components in general)?

(and not having any separate Java EE stuff installed). What happened is I couldn't import javax.persistence ... this without paying attention... The exception was due to having chosen "Java EE 6 API Library" when for my first

Is there a way to set EAGER fetch on all "ToMany" collection relationships

Given that the default seems to be FetchType.LAZY for all collections @OneToMany and @ManyToMany. Such as a configuration option. Instead of having to explicitly set fetch in annotation code in every relationship. webel Dr Darren Kelly No. There is no such configuration option, since having EAGER

JBoss 7 startup fails

Hi, I was having a go with entity beans 3.x jboss 7, objectdb and the guestbook web application but cannot come out of the swamp. I use eclipse indigo as IDE The "src" folder contains the pachake ... Argentino Hi, I m having the same problem using the same jboss as 7 and eclipse and I tried

Upgrade to Java 8 won't run

Grey It seems that this exception is caused by having java.util.HashMap.Entry in the list of types in your database, since apparently this internal Java 7 type is not part of Java 8. Having this type

Reading 1.x odb files in ObjectDB 2.x without upgrading

which is having object db 1.x installed. Is there any way to read odb files from 1.x in object db 2.x ... was having one row but after converting to objectdb 2.x, no row was present the odb file. But when i

IN expression in a Criteria Query

: SELECT a FROM Account a GROUP BY a.code HAVING COUNT(a) < 2 It throws following exception: com ... Account a GROUP BY a.code HAVING COUNT(a) < 2 This is an invalid query. In a grouping query

Query fails with failed to read

access mode instead of doing nothing, especially after having a c/s connection the usage before ... nothing, especially after having a c/s connection the usage before. There is a change in one of the recent

Activated ObjectDB still throws "Too many persistable types"

to find out whether a started ObjectDB server is activated, without having to resort to an actual ... , without having to resort to an actual application, because that takes some time for me to test. Currently not

NullPointerException on initial database creation

Support I'm having trouble creating a simple test case that reproduces it. At this point, I think it may be related to having a class annotated with @Startup or @ApplicationScoped that references

em.flush(); em.clear(); loosing data and not persisting managed objects

I'm having trouble with flush() and clear() in a loop inside a transaction not persisting modified objects to database. Sometimes it does other times it doesn't. Here is my Entity. import javax ... still get a internal error at some point while importing the Notes data. But since I'm having trouble

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support