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How to Use a SF with extended Persistence Context?

Hey, I have a problem to use SF with an Extended Persistence Context Regarding to Transactions. The need for an extended persistence Context emerges for the need to create queries in advance for fast execution so I need to store the queries and I need an EntityManager that doesn't get closed
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Index causes increased memory usage

. Thanks in advance. There is no special cache for indexes. Pages that contain indexes are cached in
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InternalException & UserException using objectdb with Jboss AS 7.1.1 final

advance More information is needed. Possibly this is related to registering persistable types in
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Is it ok to put list or map of embeddable objects in entity ?

put path to jar file containing these classes, but that doesn't help.   Thanks in advance for help
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java.lang.ClassCastException in OSGi runtime when loading data from DB

advance for your support, Alex The ClassCastException probably indicates that the Person class
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javax.persistence.PersistenceException: No Persistence provider for EntityManager named in Karaf 4.0.7 and OSGi DS test

only once to my karaf and use it like any other OSGi bundle. Many thanks in advance for your precious
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JBoss 7 startup fails

. The files are attached. Thanks in advance.     This is a JBoss problem rather than an ObjectDB
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LAZY @ManyToOne field functions as EAGER

have to be loaded in advance. thanks for explanation, have tested and confirmed result. webel
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Level 2 cache not hit in @ManyToOne

didn't encounter P1 and 2 while using EclipseLink & MySQL. Thanks in advance.   The purpose of the L2
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Memory leak with OutOfMemoryError exception

behind this. Thank you in advance. Apparently you are using the default Java heap size (128MB