ObjectDB ObjectDB

Internal Website Search

21-30 of 200 resultsRefresh

Compile time enhancement using build.xml of a Netbeans web application

of a Netbeans web application project to specify ObjectDB compile time enhancement, for both single file ... have been working with run-time enhancement using objectdb.jar as a javaagent, but I am now ... feature, so I want to try compile time enhancement. Besides, as the ObjectDB manual says: Enhancement by

Query execution time issue

execution time drops to about 50 milliseconds. Adding a new left join on remaining 8 slows down query execution time drastically. Please help me with this one, Thanks! Pero_885 Pero Novaković Queries ... If i reduce number of joins to, for exmple, 9 query execution time drops to about 60 milliseconds

log entry date/time

It would be very useful if each entry in the log file has a date/time stamp. Thanks, Carl FastModel Ben Schreiber Version 2.2.2 adds date/time stamps to the log. Thank you for your suggestion. support Support

EntityManager.refresh takes a long time

EntityManager.refresh takes a long time for entity object Person in this code:     logger.log(Level.INFO, "begin select for person " + new Date().toString());                TypedQuery<Person ... ? Operation time reaches 30 - 40 seconds. Please help to understand why. Thanks for your help. galandor

Option or strategy to disable/skip runtime enhancement checks (to improve load time)?

-based compile-time enhancement applied to entity modules (only), so I know these checks ... time) ? webel Dr Darren Kelly Please provide more information about these checks, such as log messages or stack traces. support Support

First persist takes long time

We detected that the first Persist() of an entity take much longer than all subsequent calls. We have a small example (see Appendix) which outputs the following times: First transaction ... " /> Could you explain the long time for first persist? btc_es BTC EmbeddedSystems Some operations

package.jdo validation error (Connection timed out)

: Connection timed out: connect NestedThrowables: java.net.ConnectException: Connection timed

Post-compilation enhancement vs Automatic Run-time enhancement

We are getting massively different results on field loading between explicit post-compile enhancement and automatic run-time enhancement. Testing exactly where and when the results are different for our demo web app is a very time consuming task, and very difficult, it means testing literally 100s

Issue with compile time enhancement

I have an entity library which I have integrated build time enhancement in. The enhancer reports it has processed all of my persistent classes. When I attempt to run a Bootstrap process with this library I get the error shown below. The entity referenced in the error (Terms) is listed as having

Group by date / time

implementations support these expressions (as an extension to JPA) - support of date/time methods

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