About check

forum_thread

ArrayIndexOutOfBoundsException

Hi, I've been getting the following exception when trying to query ObjectDB in server mode version 2.3.4_05. ... doesn't help, try to use the ObjectDB Doctor, first to check the database and then to fix it. If it doesn't help - you may have to ... supposed to be all using the same classes. I'll double check.   Thanks, Eitan ...

 
forum_thread

Schema migration - long to String

Hi, I need to change field type in our model from long to String. After changing filed type in our model and repairing database with doctor, most of our entities is gone. Doctor puts some errors on console: #1 2013-01-02 18:39 Hi, I need to change field type in our model from long to String. After changing filed type in our model ...

 
forum_thread

Exception when dataset bigger than treshold

I was working on reporting service for my application and found a problem with datasets bigger than treshold set in objectdb.conf.   ... Please check permissions. In addition, if the directory  /tmp/ObjectDB ... Could you please check build 2.2.7_04 that may fix the problem? ... 14:07 Sorry. Please check it now. ObjectDB Support ObjectDB - Fast ...

 
issue

[ObjectDB 2.6.9] Unexpected exception (Error 990)

[2017-03-29 14:04:44 #1 client] [ObjectDB 2.6.9] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_121 (on Windows 8.1 6.3). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.BYR.o(BYR.java:113) at com.objectdb.o.BYR.w(BYR.java:206) at com.objectdb.o.VUT.j(VUT.java:350) at com.objectdb.o.RST.C(RST.java:194) at com.objectdb.o.RTT.l(RTT.java:134)... Thank you for this report. Could you please check the database file with the ObjectDB Doctor? Can you provide a ... database or a database that has no errors in the Doctor check). ObjectDB Support ObjectDB - Fast Object ...

 
forum_thread

High availability and other pratical questions

Hi,   I've just started developing a mobile app which will use a server side, hopefully handling a lot of processing and traffic. I was inteding to use TomEE+ with built-in OpenJPA and Postgres DB, initially on one master server but as it grows more master servers will be set (in different geo locations/data centers) using some data sync mechanism between them.   Now that i've met ObjectDB I want to check the option using it instead of postgres so I have few questions regarding it: ...   Now that i've met ObjectDB I want to check the option using it instead of postgres so I have few questions regarding ... for replaying) is relatively low, but you will have to check it with your own application. ObjectDB Support ...

 
manual

Locking in JPA

Explains how to use optimistic locking and pessimistic locking in JPA. JPA 2 supports both optimistic locking and pessimistic locking . Locking is essential to avoid update collisions resulting from simultaneous updates to the same data by two concurrent users. Locking in ObjectDB (and in JPA) is always at the da ...

 
forum_thread

Failed to read the value of field using reflection (error 363)

I have encountered this error from one of the many servers hosting my application. Other servers didn't encounter errors of this kind and running without problems. My system provider said that nearly all of the servers are VM-based including this one which encountered this error. It is the 'youngest' server in deployment. I can get more information as you require. As the application developer, I am perplexed as I have use JPA and ObjectDB for years now. I could use your assistance in overcoming this problem. Thank you. ----- ... the last ObjectDB version. It is also recommended that you check the database file with the ObjectDB Doctor, and use it to fix the ... ObjectDB version (2.5.4_03)? In addition, please check the database with the ObjectDB Doctor and post the results. ...

 
api-jdo

javax.jdo.PersistenceManager

PersistenceManager is the primary interface for JDO-aware application components.(Interface of JDO)

 
issue

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

The following error is reported for objectdb-2.6.9.jar: Failed to commit transaction: Failed to set numeric value of field property com.greensoft.objectdb.test.entity.Element.id using reflection (error 613) Did not happen with objectdb-2.6.3_04 (which one can easily test and compare in the test console app for NetBeans8.1 provided, as explained below). To reproduce download the app and unpack, open in NetBeans8.1, perform Clean and Build, and Run: ... to modify a primary key" exception is thrown due to a check that was not expected to be performed for a direct access by ObjectDB. ... supports an option to disable the "Enhancement ... is old" check and error: System. setProperty ( "objectdb.temp.no-enhancement-crc-check" , "true" ) ; Set the property before accessing ...

 
forum_thread

Exceeding max connections and crashing

Hi, we have severe problems with ObjectDB crashing frequently. We can’t find the exact cause but we suspect several things. We use 2.5.3_03 version and we use it in production. The same setup in test environment hasn’t have these kind of problems First crash occurred when network went down and database lost connection with the JBOSS AS, several restarts got it up and running finally.  It seems when the database loses network connection it shutdowns but we cant be sure. Usualy database stops once a day with no apperent reason. ... cause problems with DB Q3. Is there any command to check if the database is running from command prompt? Did anyone had ...