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Unexpected exeption

the exception by following specific actions? support Support I repaired the db file with the dbdoctor. But the issue does also occur with the repaired db. The issue is not always reproducible. Sometimes the use

wrong query result

and then inserted that value again and saved the database. Repairing the database didn’t help, Attached are a db repair log and a screenshot of queries and results. We will upload the DB through private

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 ... the left panel. After repairing from this state with doctor, almost 53k records was gone from

com.objectdb.o.NLV cannot be cast to com.objectdb.o.CMV

details, if any. You may try repairing indexes by running the ObjectDB Doctor in repair mode

possible index required for improving query performance

the DB, run the Doctor in repair mode and start the DB with the repaired file before accessing

Indexes broken after schema update

yet the repair still fixes a problem? As I saw no problems when running the Doctor diagnosis hence I didn't run a repair, did you see the same? bensteele Ben Steele The database record history

Deleting a broken reference that was fixed to null in the Explorer

Using version 2.7.4_01, we did a repair. After repair a former link to a missing reference was converted to null. This cannot be deleted using explorer hgzwicker Hans-Georg Zwicker Thank you for this report. Build 2.7.4_02 fixes the issue. support Support

DBDoctor BTree Errors

Hello, we ran the db doctor on a database. What does the following errors mean? Do we have to repair the database? BTree Value Errors ------------------ [1] com.btc.ep.architecture.bl.internal.dmos ... , to be on the safe side, you may want to use the Doctor to repair the database file. support Support

Best practise loading big data

your code but StepBlock is not defined. Could you please repair the code? You mentioned commit as ... for posting questionable code snippets. I have repaired it. In this scenario the data is only read

Server crash - Mismatch client-server protocol prefix

of the production database. I will be taking the production site offline tonight so I can run a repair ... may be related. Please report again after repairing the index and increasing the heap size (-Xmx1024m

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.

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