About configuration

issue

Deleting archive log folder causes exception

Hello, we have observed strange behaviour when we delete odb archive log directory. We are running long term tests and during it we are deleting all logs that are not needed keeping the system running. When the "archive/" folder, where odb logs are archived, is deleted, the exceptions occur: ... 25 more We have not change any configuration. There is some file named archive created instead(?) of the ...

 
release

2.0.0

... operations. Changed default configuration (for improved performance). Added support for ...

 
forum_thread

ObjectDb Supports Clustering of Servers?

Hi,     I am new to ObjectDb. we have a scenario where we deploy the same application in more than one linux (Jobss) servers. In this case user request can go to any server depends on the availability of the servers (This is for load balancing ). As of now we are using Oracle + Hibernate + JPA , as Oracle is shared data there was no problem. ... hope . could you please suggest if i need to do some other configuration change.   Thanks in Advance, Jana ...

 
issue

[ObjectDB 2.5.6_05] Unexpected exception (Error 990)

[2014-08-24 10:49:32 #33 server] [ObjectDB 2.5.6_05] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.6.0_25 (on Windows 2003 5.2). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: java.lang.OutOfMemoryError: Java heap space java.lang.OutOfMemoryError: Java heap space at com.objectdb.o.PAG.<init>(PAG.java:175) at com.objectdb.o.PGC.x(PGC.java:277) at com.objectdb.o.SSS.Y(SSS.java:493)... try to increase the size of the JVM heap or change the configuration to use less heap size. ObjectDB Support ...

 
release

2.0.1

... operations. Changed default configuration (for improved performance). Added support for ...

 
forum_thread

ClassNotFoundException Stack Traces in the Log File

If I turn the log level in objectdb.conf to debug I get a lot of ClassNotFoundException's (see example below). My question is, is there a way to avoid these exceptions? ... logging level for this specific subject, by updating the configuration: <general > ... <logger name ...

 
forum_thread

Database(*.odb) file size on disk

Hello, we have questions about the file size of ObjectDB database on disk. Can you tell us something about how the deleting of entities affects the size of *.odb files on disk? -Will the released memory always used by new entities? -Will be the database file automatically reduced?   We have created a small test, in which we create and delete entities. It looks like that the released memory are reused but the the file not resized. The database is at the end empty again, but larger than the initial size. ... ; }   } Is there a configuration that can we enable? Or do you have other tips for us to keep the ...

 
issue

java.lang.NullPointerException during access a field, only if the classes enhanced

We get the following exception during access a field (Set of entities) The error occurs only if the entities are enhanced. ... set of entites, the annotation have a 'mapped by' configuration. we found a 'workaround': we first access this ...

 
forum_thread

Explorer in 2.3

First, the new Explorer in ObjectDB is fantastic! This is exactly what we've needed - an easy way to do ad-hoc JPQL queries and navigate through the results and even make small changes to primitive data and Strings. After playing with it for a while, here is a list of additional features I'd love to have: 1. Export of selected data: a. Simple - Select a range of cells or a column header and copy text to the clipboard or save to a file (csv, html, etc..). (There appear to be copy menu options, but I cannot get them to work.) ... rename packages, classes and fields by using the  configuration . This is preferred over renaming in the Explorer, ...

 
forum_thread

multi thread application, id field sporadically null

We are testing objectDB with a multi thread application. Each thread has it's own entityManager created from a common factory. In one thread we receive sometimes an object from the database with the field that is declared as @Id having the value null (what is not correct, we checked that with the explorer). The class is declared like this: ... ... makes a difference, as well as disabling caches in the configuration. You may also try refreshing the object  (although ...