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connection pooling

how do you handle connection pooling?  I don't understand how to open and close connection, or reconnect. I've referenced the manual here, but where does this go:   The element ... them when it creates new EntityManager instances. See this manual page for more information on working
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Database Inconsistency or corruption

with cascade, so I persisted manually all referenced Attributes and the corresponding values. But I still got ... ));     /*      * Trying to persist manually does not work.     for(Attribute attr: ov.getAttributes
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Difficulty with the BIRT plugin

Explorer, as suggested in the online manual: Open the [New Data Set] dialog box by right clicking the Data ... ). Regarding the data set - in addition to the instructions in the manual there is a more detailed
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Dirty checking

it back. Correct? Any better way to do this? The way in which I'm doing it now is manually calculating ... to manually save each one. Question: What's the best way to cascade persistence of Entities
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Empty query results after JAR creation

.   Is this the way it should be?   I mean, it's nothing wrong with copying the DB file manually, it was just not mentioned in the manual so I was assuming that the DB would be copyied correctly
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explorer feature request: ability to auto refresh

Request for feature: Ability to auto-refresh an explorer view, say at regular intervals of a few seconds. (at a minimum one ought to be able to manually refresh, for example the list of persistent ... editing, basic querying and manual refresh. thanks, I was wondering what happened to those features! dmoshal
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Externalising persistence.xml properties in Glassfish?

without me having to edit manually prior deployment or rely on build scripts ... development instance. I do this manually but I have a half-working maven script that I use to create
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find() delay

, then is there a conflict between manual and auto relations? Suppose the Employee and the address ... will have exactly the Address instances that you added to it manually - until it is retrieved from
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First query takes 4+ minutes to complete

the manual. With no proper index, execution of your first query requires processing all the 320,000 objects ... , at least to some extent in the manual. If you need more details, we will be happy to answer, but please follow
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How force always recreate database on redeployment.

the entire database if its file is not locked by Glassfish. See the connection url section in the manual ... is loaded relatively to the path of the objectdb.jar file (see the manual), so make sure you edit