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> A path expression always starts with an instance of a user defined class (represented by ... and also serve as a starting point for building more complex paths through navigation. Giving

, when the Explorer starts it tries to open a connection to the most recently used database ... when the Explorer starts. The [Table (instead of Tree) as a default viewer window

variable does not have any matching inner value it gets at least a NULL value as

for collecting as query results, the WHERE clause gets an opportunity to function as a filter

provides a generic method for getting the object ID (primary key) of a specified managed entity

, this only started happening these 2 days, and only when the server is busy, e.g. the DB is getting hit ... { CoreService.getLogger(this).info("DB Backup Start..."); TypedQuery<Thread> backupQuery ... >These 2 days I notice that the server, or mainly database would start to have issues responding

hold this amount of memory then our application gets into trouble. So we need a solution ... the DB connection, create an entitiy manager and start to read the first half of the MyValue ... enhancement speeds up the application. At start of reading, the DB can deliver about 1000 values

> However, this is the output I get: Starting... updater3 starting updater4 starting updater0 starting updater2 starting updater1 starting updater1 LockTimeoutException updater2 LockTimeoutException updater3 LockTimeoutException updater4 changing name from start

starting at the top level entity class and then down the hierarchy until the callback methods in the actual entity class are invoked.

to define a separate interface for managing transactions. A transaction is started by ... commit() starts writing to the database it stores the changes in a related temporary