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About PESSIMISTIC_WRITE

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Forum
8

using objectdb.jar in writing data to mariadb or mysql db

and reduce the use of regular sql patterns. Can my application use the objectdb.jar to write ... will be appreciated. Thank you. Regards ObjectDB is a standalone database. You cannot use to write to MySQL or MariaDB (as you cannot use PostgreSQL to write to MySQL). You can use Hibernate or
Forum
8

Error: Failed to write value of field X using reflection (oneToMany relation)

._PersistenceException: Failed to write the value of field field entidades.Cliente.pedidos using ... up. So, the program works fine on the first run. But after that I recieve the "Failed to write the value of field
Forum
8

Failed to write the value of field using reflection (error 363) on LAZY fetch

thread "main" [ObjectDB 2.6.3] javax.persistence.PersistenceException Failed to write the value ... .java:45) Caused by: com.objectdb.o.UserException: Failed to write the value of field field ch
Forum
8

Failed to write to ObjectDB log file

the ObjectDB process permission to write to that path. Disable logging by specifying an empty path
Issue
8

ObjectDB tries to create a File in a localtion without write access

Hello, if we install our Product into the windows Program Files directory which have by default no write acces for the 'normal' users. If we now open 'older' Profiles (older Databases) we get the following exception: Caused by: javax.persistence.PersistenceException: com.objectdb.o.UserException
Forum
7

WORM (Write once read many) support

WORM (Write once read many) support
Result
6

Apache License, Version 2.0, January 2004

otherwise designated in writing by the copyright owner as "Not a Contribution." "Contributor" shall mean Licensor ... of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each ... required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing
JPA Doc
5

javax.persistence.TypedQuery

- if pessimistic locking fails and the transaction is rolled back LockTimeoutException - if pessimistic locking fails and only the statement is rolled back PersistenceException - if the query execution ... PessimisticLockException - if pessimistic locking fails and the transaction is rolled
JDO Doc
4

javax.jdo.spi.PersistenceCapable

has been enhanced to call the jdoStateManager on read if the jdoFlags setting is not READ_OK or READ_WRITE_OK ... to call the jdoStateManager on read if the jdoFlags setting is not READ_OK or READ_WRITE_OK. Since: JDO 1.0 byte CHECK_WRITE If jdoFieldFlags for a field includes CHECK_WRITE, then the field has been enhanced
JPA Doc
4

lock(entity, lockMode)

. If a pessimistic lock mode type is specified and the entity contains a version attribute ... . If these checks fail, the OptimisticLockException will be thrown. If the lock mode type is pessimistic ... - if the entity does not exist in the database when pessimistic locking is performed