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objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

.1 and then: Set DO_FORCE_COMMIT_AFTER_BUILD = false in com.greensoft.objectdb.test.mini.ejb ... context is handled properly by ObjectDB. * * Disable (set 'false) to provoke an error ... a new transaction when a transaction is active' If however you then set this so that it forces
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javax.persistence.Query

- if the statement execution exceeds the query timeout value set and only the statement is rolled back PersistenceException - if the query execution exceeds the query timeout value set and the transaction is rolled back Since: JPA 1.0 int getFirstResult() The position of the first result the query object was set
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setConnectionFactory2Name(connectionFactoryName)

Method javax.jdo.PersistenceManagerFactory void setConnectionFactory2Name( String connectionFactoryName ) Set the name for the second data store connection factory. This is needed for managed ... : connectionFactoryName - the name of the data store connection factory. Since: JDO 1.0
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setConnectionFactory2(connectionFactory)

Method javax.jdo.PersistenceManagerFactory void setConnectionFactory2( Object connectionFactory ) Set the second data store connection factory. This is needed for managed environments ... : connectionFactory - the data store connection factory. Since: JDO 1.0
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setConnectionPassword(password)

Method javax.jdo.PersistenceManagerFactory void setConnectionPassword( String password ) Set the password for the data store connection. Parameters: password - the password for the data store connection. Since: JDO 1.0
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setConnectionFactoryName(connectionFactoryName)

Method javax.jdo.PersistenceManagerFactory void setConnectionFactoryName( String connectionFactoryName ) Set the name for the data store connection factory. Parameters: connectionFactoryName - the name of the data store connection factory. Since: JDO 1.0
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setConnectionFactory(connectionFactory)

Method javax.jdo.PersistenceManagerFactory void setConnectionFactory( Object connectionFactory ) Set the data store connection factory. JDO implementations will support specific connection factories ... : connectionFactory - the data store connection factory. Since: JDO 1.0
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setConnectionDriverName(driverName)

Method javax.jdo.PersistenceManagerFactory void setConnectionDriverName( String driverName ) Set the driver name for the data store connection. Parameters: driverName - the driver name for the data store connection. Since: JDO 1.0
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javax.jdo.FetchPlan

is initialized to the same settings as that of the PersistenceManager. Subsequent modifications ... the fetch group to the set of active fetch groups. Add the fetch group to the set of active fetch groups ... getFetchSize() Return the fetch size, or FETCH_SIZE_OPTIMAL if not set, or FETCH_SIZE_GREEDY to fetch
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javax.jdo.FetchGroup

.getFetchGroup, it is unscoped. When a FetchGroup is added to the set of active FetchGroups ... is removed from the set of active FetchGroups via PersistenceManagerFactory.removeFetchGroups ... . Using this category also sets the fetch-depth for the members in the default fetch group

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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