About PESSIMISTIC_READ

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Forum
6

Reading 1.x odb files in ObjectDB 2.x without upgrading

which is having object db 1.x installed. Is there any way to read odb files from 1.x in object db 2.x without upgrading it ? Or user can see the content in read only mode without upgrading it ? Thanks Old
Forum
6

OptimisticLockException

- since someone can change the object just after the refresh. In that case - use pessimistic locks. I read ... Have read read the documentation on optimistic locks, still not sure how to deal ... configuration.   read the documentation, but am still not grokking how to deal with this problem
Forum
6

DB reading fails in debug mode in Eclipse

eclipse. Upon reading it in debug mode I got this exception: com.objectdb.o.UserException: Failed
Forum
6

Puzzler: Not getting cascades on read from Spring context

Fetching doesn't work by default for detached objects. Please read see this issue and as a workaround
Issue
6

query returns failed to read from database file

we have since today exceptions on executing some queries like this: Failed to read from file 'F:\Hummingbird\Objectdb\db\coreSystemDb.odb' we are using objectdb 2.7.2_05 in the objectdb log there is no message       it seams that this is only happening directly after startup (creating the database
Forum
6

Failed to read the value of field ... using reflection

Hello, we got following exception. Can you explain me, what is the reason of this exception?   Caused by: com.objectdb.o.UserException: Failed to read the value of field field com.btc.ep.expression.formula.bl.dmos.Valuation.variableSettings using reflection at com.objectdb.o.MSG.a(MSG.java
Issue
6

reading from table gives Unexpected exception

reading from table gives Unexpected exception [ObjectDB 2.6.3] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_131 (on Windows 10 10.0). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: null com.objectdb
Forum
5

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

Failed to read the value of field using reflection (error 363)
Forum
5

Internal ObjectDB error by read the primary key

Internal ObjectDB error by read the primary key
Forum
5

WORM (Write once read many) support

WORM (Write once read many) support