ObjectDB ObjectDB

Internal Website Search

171-180 of 200 resultsRefresh
4

How to create dynamic Entity class.

. Class and object successfully created. And insert data also now problem is only once object is created and insert data only first time. when i am execute is it next time it throws following exception
4

Pre-detach loading: retrieval by navigation not working in if statement

(Boolean value) { this.value = value; } (I won't go here into details ... "live", but apparently not). [EDIT: they are 'loaded into the JVM' and enhanced into memory.] [EDIT ... , classes can be enhanced when they are loaded into the JVM [my underline] by running
3

Explorer in 2.3

. Then allow import of that file into another database. 2. Lazy loading of data, especially in table view ... to enter a Java expression into a field. For example, suppose you have a User entity with a password ... -login of last opened (remote) database puts the full URL into the Database Path field
3

find repeated records by JPQL

query from 430,000 records and put them into hashmap, finally it cost one hour and failed ... . Getting an OutOfMemoryError while trying to load all the entity objects into a memory data structure is expected. You may try splitting the query into two queries - first execute the inner query
3

Feature Request: Improved ObjectDB Explorer

data into the database. What I mean is that we have to write code that is different each time (or ... of data into the database, while we can enter data straight into the GUI very easily in, for instance ... to frequently, manually enter new information into the database (suppose we need to maintain a booklist
3

Path in tomcat

Hi, If I put the .jar into /opt/Tomcat/lib/, then where the .conf should be in? And the .odb? When I debug the Eclipse web project, I export all things into a .war file. Then I use Tomcat's web deploy tool by the .war file. However, if I put objectdb into the project's /WEB-INF/, I may lost the db
3

Memory error during commit, if @ElementCollection field contains many elements

TCSteps and modify each stepNumber. But this one runs into memory error and happens only, if we have many ... because it is a lazy field. Why we run into a memory error? btc_es BTC EmbeddedSystems When an entity object ... from the database. Some content is loaded as byte[] to save space, and extracted into objects
0

Monitoring and Performance counters

informations about how DB is doing. It would be nice to monitor: - inserts/s, updates/s, deletes/s, reads/s - total inserts, update, deletes, reads - I/O operations/s - caches current usage - uptime from
0

GC Memory

) is broken out into 16 segments of around 260 MB each. The process then loads each segment file into ... . This loading continues until the entire segment file is loaded into ObjectDb. After the segment is loaded into objectdb, the EntityManager is flushed and released. This process is repeated until all 16
0

query.getResultList() throws ClassCastException

started pushing things into the millions, and had already modified accordingly. I also noticed a flaw ... already looked into enabling level 2 caching, to see how that affects things. The full object is likely ... , and was running with agent="true" on JDK 6, so hopefully that's good enough. I need to look into

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