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JPA Doc
3

javax.persistence.PessimisticLockException

information about the current state of the stack frames for the current thread. Returns: a reference ... unknown.) Returns: a reference to this Throwable instance. Throws: IllegalArgumentException - if cause
JPA Doc
3

javax.persistence.QueryTimeoutException

about the current state of the stack frames for the current thread. Returns: a reference to this Throwable instance ... value is permitted, and indicates that the cause is nonexistent or unknown.) Returns: a reference
JPA Doc
3

javax.persistence.RollbackException

state of the stack frames for the current thread. Returns: a reference to this Throwable instance ... that the cause is nonexistent or unknown.) Returns: a reference to this Throwable instance. Throws
JPA Doc
3

javax.persistence.SqlResultSetMapping

The name given to the result set mapping, and used to refer to it in the methods of the Query API. The name given to the result set mapping, and used to refer to it in the methods of the Query API. Since: JPA 1.0
JPA Doc
3

javax.persistence.TransactionRequiredException

information about the current state of the stack frames for the current thread. Returns: a reference ... , and indicates that the cause is nonexistent or unknown.) Returns: a reference to this Throwable
JDO Doc
3

makePersistent(pc)

callback or the postAttach lifecycle event listener. Any references to the detached instances from instances in the closure of the parameter instances are modified to refer to the corresponding persistent
Issue
3

again merger missing logs + objectdb exception

it would be a great help. The Doctor also lists many broken references. Broken references could be application ... ). Are you aware for something in your application that can cause broken references or ... ? the broken references are something that we are aware of, not connected in general to the database
Forum
2

JPA vs JDO - which is more efficient for OneToMany queries?

to use non collection references, to avoid a JOIN table (so a reference from Order to Customer in ... . By the way, if you define the reference in Order, you can use an inverse / mapped-by field in ... ), but your code will be cleaner. When using ObjectDB, however, it is efficient to define the reference
Forum
2

Some details about db behavior

is empty and I persist a valid B entity (that contains actual A reference) I observe some behavior ... will refer to it. Please explain what is happening there? I know about cascade option, and if I use it A will be persisted under A type... but is B referring to that A or it is keeping a copy
Issue
2

Freeze during save

synchronizers: - None "Reference Handler" - Thread t@2 java.lang.Thread.State: WAITING ... .Reference$Lock) at java.lang.Object.wait(Object.java:502) at java.lang.ref.Reference.tryHandlePending(Reference.java:191) at java.lang.ref.Reference$ReferenceHandler.run