About Doctor

forum_thread

SectionClassifier message in log

I'm trying to track down an issue in an application - the problem occurs around the retrieval of an object from a database the specifics are unclear at the moment. In the objectdb log the following message is written everytime the issue occurs. Could you give more detail about what this message means? [2011-11-24 20:43:10 #114098 store] SectionClassifier: SectionClassifier{'4548f06f-405e-4f3e-9b7b-8e27bf4bd91c'->merger[3477129]-missing:1713} ... you please check the database file using the ObjectDB Doctor? ObjectDB Support ObjectDB - Fast Object ... It could be either insertion or retrieval problem. The Doctor output may highlight this. The stack trace indicates an attempt ...

 
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. ----- ... that you check the database file with the ObjectDB Doctor, and use it to fix the database, if necessary.   ... In addition, please check the database with the ObjectDB Doctor and post the results. ObjectDB Support ...

 
forum_thread

ways to recover from DB curruption

Hi, I have a database file which was mistakenly opened by a different version of my entities model and is now not usable any more. When I try to open this file using explorer or even running the Doctor on it I get this exception: ... I try to open this file using explorer or even running the Doctor on it I get this exception: Caused by: ... the database in your application (not in the Explorer / Doctor) with the new classes and with some changes to myclass1 and ...

 
issue

java.lang.ClassCastException: com.objectdb.o.SCU cannot be cast to com.objectdb.o.PRU

Error in production urgent [2017-05-19 13:34:09 #14 server] ... that non exist into database. This was soluted with "doctor" JAM http://www.intelidata.cl/ ... closed the issue, as the the database was fixed with the Doctor, but if you have more information about the cause of the ...

 
forum_thread

Low performance when getting grove roots

Hi, I have a grove-like structure of objects, every objects referencing its parent. Root objects have null as the value of this parent reference. To find the roots I execute a query. If the number of objects in the tree is significant, this query takes almost forever, it seems ObjectDB loads all objects on the DB to test their parent field value. Id there a way to force ObjectDB to create an index for this field? Regards, Vladimir ... database requires fixing the database using the ObjectDB Doctor . If you post a test case that demonstrates the problem it ...

 
forum_thread

index - data rewrite

Hi we have found that applying indexes on an existing table erases the data. Are we doing something wrong. Thanks ... had no effect until the database was rebuilt using the Doctor. What ObjectDB version are you using? Because automatic ... new index? Have you checked the database using the Doctor? Are there any errors? ObjectDB Support ...

 
release

2.4.0

... ( $objectdb ) in NetBeans RCP . Fixed a Doctor and Replication regression (Type session exceeds timeout). ... . Added option for running the Doctor without activating disabled indexes. Fixed a ...

 
forum_thread

Shrinking Database Files

These are questions asked in the context of the proposed architecture described in the forum thread titled, "Sample JDO Architecture for Follow Up Questions".   I thought I read something on the ObjectDB website (forum? 1.x manual?), which I cannot find now, that stated that the datastore file never shrinks when large number of objects are deleted and the only way to reclaim that space would be with Database Doctor. Is there a way to reclaim database file space? ... the only way to reclaim that space would be with Database Doctor. Is there a way to reclaim database file space? Is it ... to make the database file smaller is to run the ObjectDB doctor in repair mode (i.e. building a new database file from an existing ...

 
forum_thread

errors on repair

we are using version 2.6.7. On running the doctor we have message like free page list broken ... unexpected total page count ... what could be the reason for this ?   ... we are using version 2.6.7. On running the doctor we have message like free page list broken ... ... broken at page #0' occurs every time when we run the doctor after ending our application - we do not do any copy or move of ...

 
forum_thread

Is there an administration tool with which I could create extra indexes?

Hello, I have composite index, and it was working fine, but now I need to add more features to the software and I need to throw more indexes in there. I wanted to know what's the best way to do this. 1. Have some admin tool CREATE INDEX..... ON a.b or 2. add more @Index to the object entities. in case of #2, would ObjectDB auto-reindex all existing data? ... order to update the schema. Run the ObjectDB Doctor (in repair mode) to build the new index. Step 2 may be skipped if you run the Doctor (step 3) with your up to date classes in the classpath. ...