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ObjectDB is opening too many sockets

, and we are now facing following issue. Object DB server is creating too many sockets. Currently ... of increasing system limits. We are using Ubuntu 18.04.5 LTS and after some time it causes following ... created indefinitely (we are using up to 20), but the socket stays there for longer period of time
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javax.persistence.TemporalType

. Since: JPA 1.0 Learn how to define and use date and time fields in Chapter 2 of the ObjectDB/JPA manual. TemporalType DATE Map as java.sql.Date Map as java.sql.Date Since: JPA 1.0 TemporalType TIME Map as java.sql.Time Map as java.sql.Time Since: JPA 1.0 TemporalType TIMESTAMP Map as java.sql.Timestamp
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each 1-2 days objects on some objectdb level lock/block each other

on the ObjectDB side the query must be an exact duplicate (e.g. if there is a current time parameter ... version doesn't look related, it may be simply the exact timing in which each thread dump was taken ... now urges to switch to another database. we try to agree on a bit more time, but the situation
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Best practise loading big data

Hello, currently we take some effort to improve the overall performance of our product. ObjectDB ... The current reading scenario is scetched here: Open DB connection to existing DB with one persisted ... EmbeddedSystems We have scenarios in which we open up to lots of different Db files at the same time
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javax.persistence.NoResultException

()is executed on a query and there is no result to return. This exception will not cause the current ... within this Throwable object information about the current state of the stack frames for the current
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javax.persistence.spi.PersistenceProviderResolverHolder

getPersistenceProviderResolver() Returns the current persistence provider resolver. Returns the current persistence provider resolver. Returns: the current persistence provider resolver Since: JPA 2.0 void
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javax.persistence.NonUniqueResultException

. This exception will not cause the current transaction, if one is active, to be marked for rollback. Since: JPA 1 ... information about the current state of the stack frames for the current thread. Returns: a reference
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javax.persistence.EntityNotFoundException

with pessimistic locking is used and the entity no longer exists in the database. The current transaction ... within this Throwable object information about the current state of the stack frames for the current thread. Returns
0

javax.jdo.Constants

_SERVER_TIME_ZONE_ID The name of the persistence manager factory element's "server-time-zone-id" attribute. The name of the persistence manager factory element's "server-time-zone-id" attribute ... " Since: JDO 2.1 See Also: PersistenceManagerFactory.getRetainValues() String PROPERTY_SERVER_TIME_ZONE_ID
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jdoGetTransactionalObjectId()

of the instance has not changed in the current transaction. If the JDO identity is being changed in the transaction, this method returns the current object id as modified in the current transaction

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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