ObjectDB ObjectDB

Internal Website Search

131-140 of 200 resultsRefresh


Hi, I've been getting the following exception when trying to query ObjectDB in server mode version ... this error on http://www.objectdb.com/database/issue/new And it seems like this exception starts ... scratch and am now getting a similar error: [ObjectDB 2.3.4_05] Unexpected exception (Error 990) Generated

Duplicate Entity class names causes Exception in Query

well I am getting the class not found error again ( I have removed the 2nd mode project and duplicate ... this particular run no other JPA provider or other PU is being used ... I took that out immediately I started getting them problem... There are also NO duplicate class names. JFK John Francis This is a common

Mysterious "Attempt to persist a reference to a non managed instance" error

expected. I made a few modifications to a working set of classes today, and it's started throwing ... );       em.persist(oo);         tx.commit();     } } I had started with the expectation ... still getting an exception: Exception in thread "main" [ObjectDB 2.2.6_03] javax.persistence

Attempt to begin a new transaction when a transaction is active

don't know why am I getting this.. Thank you very much! adibe Adi Be Apparently the transaction is started automatically by the application server, and as the error message states, you are trying to the start a transaction that is already active. Try commenting the begin and commit commands. Note

Client server mode no longer works after JRE install

was getting the following error "Error: missing 'server' at 'C:\Program Files\Java\jre7\bin\server\jvm.dll ... Craig Mahony The conf file cannot be used because it is read only after the JVM is found and started. Please try: > server-b -client support Support The server is being started from a java application

EM.find() is suddenly slower

in the screenshot is limited, but maybe it indicates spending too much time in getting data from ... for the start path where you can find the hotspot in the profiling. btc_es BTC EmbeddedSystems Thanks ... the attached image start_path.png (104 KB) above. btc_es BTC EmbeddedSystems It might be related to a large


getting these exception less often, and on the other hand, decreasing it to 8mb may result in getting ... ) at ysoft.sqpro.queue.SecuredPrintQue.run(SecuredPrintQue.java:350) and later after new start

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

increase RAM and cores hgzwicker Hans-Georg Zwicker Did the issue start at 7:03? The first thread dump ... , but it is useful for getting query results quickly only after the execution of the query is completed ... Zwicker please have a look at that, the situation is getting pretty much uncomfortable hgzwicker Hans

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

.EjbApplication.start(EjbApplication.java:166) at org.glassfish.internal.data.EngineRef.start(EngineRef.java:122) at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:291) at org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:352) at com.sun.enterprise.v3.server


that will be called for every new class definition or class redefinition that gets loaded by the loader ... that will be called for every new class definition or class redefinition that gets loaded by

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