Re: [eclipselink-users] Query returning stale results existing

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Re: [eclipselink-users] Query returning stale results existing
From: James Sutherland <jamesssss@xxxxxxxxx>
Date: Wed, 19 Nov 2008 06:12:54 -0800 (PST)
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Yes, the EntityManager will still maintain a cache of all objects read in its
transaction context (JTA managed/JEE) or life-cycle (application
managed/JSE).  If you do not want to cache objects across transaction
boundaries in JSE, then you should create a new EntityManager for each
transaction/interaction.


Tim Hollosy wrote:
> 
> James,
> Just to be clear, even if you're in isolated mode you'll still have an
> EntityManager cache correct?
> 
> So if I had executed a stored procedure that touched 4 different
> tables, I'd have to make sure to grab fresh entities from those tables
> while still in that EntityManager, correct?
> 
> ./tch
> 
> 
> 
> On Tue, Nov 18, 2008 at 9:08 AM, James Sutherland <jamesssss@xxxxxxxxx>
> wrote:
>>
>> If you do not want to have a cache, you can disable the cache using the
>> persistence.xml property,
>>
>> "eclipselink.cache.shared.default"="false"
>>
>>
>> Tim Hollosy wrote:
>>>
>>> Remember EclipseLink uses a 2nd Level Cache -- the Shared Cache. This
>>> is per Entity Manager Factory.
>>>
>>> See: http://wiki.eclipse.org/Introduction_to_Cache_(ELUG)
>>>
>>> ./tch
>>>
>>>
>>>
>>> On Tue, Nov 18, 2008 at 8:40 AM, cowwoc <cowwoc@xxxxxxxxxxxxxxxx> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I am issuing the same query in subsequent HTTP queries and getting back
>>>> stale results (cached from the first request). As far as I can tell I
>>>> am
>>>> using the Session-Per-HTTP-Request paradigm so this shouldn't be
>>>> happening.
>>>> I need your help to interpret the EclipseLink logs (included at the end
>>>> of
>>>> this email).
>>>>
>>>> 1) Does "client released" mean EntityManager.close() has been issued?
>>>> 2) What would cause queries to cache results across EntityManagers?
>>>>
>>>> I will now include my log. The first line is issued in request #1, the
>>>> subsequent lines are issued by subsequent requests. The lines that
>>>> caught
>>>> my
>>>> eyes were the ones reading "Register the existing object"... I believe
>>>> EclipseLink isn't actually contacting the database.
>>>>
>>>> One warning: media_version.version is *not* the optimistic-locking
>>>> versioning field. It is used purely for business logic.
>>>>
>>>>
>>>> -------------log----------------------
>>>> [EL Finer]: 2008.11.18
>>>> 08:25:22.872--ClientSession(58019908)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--client
>>>> released
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.538--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--client
>>>> acquired
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.539--UnitOfWork(884597793)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.Media)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.540--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:25.540--ServerSession(290077830)--Connection(405818770)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--SELECT
>>>> ID, VERSION FROM MEDIA
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.542--UnitOfWork(884597793)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.543--UnitOfWork(884597793)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.543--UnitOfWork(884597793)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.544--UnitOfWork(884597793)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.544--UnitOfWork(884597793)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--release
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.545--ClientSession(2110771332)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--client
>>>> released
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.565--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--client
>>>> acquired
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.565--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Execute
>>>> query ReadObjectQuery(adcaster.server.domain.Media)
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.566--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.566--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.567--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.567--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.MediaVersion)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.568--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:25.568--ServerSession(290077830)--Connection(814711173)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--SELECT
>>>> ID, NAME, VERSION, data_, MEDIA_ID FROM media_version WHERE (MEDIA_ID =
>>>> ?)
>>>> ORDER BY VERSION ASC
>>>>        bind => [101]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.571--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=151,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=0, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.572--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.572--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=201,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=1, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.573--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.574--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=251,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=2, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.574--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.575--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=301,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=3, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.575--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.576--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=351,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=4, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.576--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.577--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=401,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=5, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.578--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.578--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=451,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=6, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.579--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.580--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=501,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=7, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.580--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.581--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=502,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=8, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.581--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.582--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=551,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=9, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:25.583--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.583--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.584--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:25.584--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.351--UnitOfWork(616939444)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--release
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.352--ClientSession(1319818785)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--client
>>>> released
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.549--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--client
>>>> acquired
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.550--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Execute
>>>> query ReadObjectQuery(adcaster.server.domain.Media)
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.550--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.550--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.551--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.551--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.MediaVersion)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.552--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:27.552--ServerSession(290077830)--Connection(577145991)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--SELECT
>>>> ID, NAME, VERSION, data_, MEDIA_ID FROM media_version WHERE ((MEDIA_ID
>>>> =
>>>> ?)
>>>> AND (VERSION = ?))
>>>>        bind => [101, 9]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.553--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=551,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=9, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.554--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.554--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.554--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.555--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.556--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.MediaVersion)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.556--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:27.556--ServerSession(290077830)--Connection(1249576400)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--SELECT
>>>> ID, NAME, VERSION, data_, MEDIA_ID FROM media_version WHERE ((MEDIA_ID
>>>> =
>>>> ?)
>>>> AND (VERSION = ?))
>>>>        bind => [101, 10]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.557--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.558--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.558--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.558--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.MediaVersion)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.558--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:27.559--ServerSession(290077830)--Connection(1521339340)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--SELECT
>>>> ID, NAME, VERSION, data_, MEDIA_ID FROM media_version WHERE ((MEDIA_ID
>>>> =
>>>> ?)
>>>> AND (VERSION = ?))
>>>>        bind => [101, 8]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.560--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=502,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=8, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.560--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.561--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.561--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.561--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.562--UnitOfWork(567212311)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--release
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.563--ClientSession(2128871984)--Thread(Thread[httpSSLWorkerThread-8080-1,10,Grizzly])--client
>>>> released
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.614--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--client
>>>> acquired
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.614--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Execute
>>>> query ReadObjectQuery(adcaster.server.domain.Media)
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.615--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.615--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.615--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.616--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.MediaVersion)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.617--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:27.617--ServerSession(290077830)--Connection(1545852605)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--SELECT
>>>> ID, NAME, VERSION, data_, MEDIA_ID FROM media_version WHERE ((MEDIA_ID
>>>> =
>>>> ?)
>>>> AND (VERSION = ?))
>>>>        bind => [101, 9]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.619--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=551,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=9, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.619--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.619--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.620--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.620--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.621--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.MediaVersion)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.622--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:27.622--ServerSession(290077830)--Connection(1232567244)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--SELECT
>>>> ID, NAME, VERSION, data_, MEDIA_ID FROM media_version WHERE ((MEDIA_ID
>>>> =
>>>> ?)
>>>> AND (VERSION = ?))
>>>>        bind => [101, 10]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.623--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.624--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.624--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.625--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Execute
>>>> query ReadAllQuery(adcaster.server.domain.MediaVersion)
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.625--ServerSession(290077830)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--reconnecting
>>>> to external connection pool
>>>> [EL Fine]: 2008.11.18
>>>> 08:26:27.625--ServerSession(290077830)--Connection(139849089)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--SELECT
>>>> ID, NAME, VERSION, data_, MEDIA_ID FROM media_version WHERE ((MEDIA_ID
>>>> =
>>>> ?)
>>>> AND (VERSION = ?))
>>>>        bind => [101, 8]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.627--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.MediaVersion[objects=blueeye.lang.Objects@48b85e03,
>>>> id=502,
>>>> media=adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101, version=1], version=8, data=[46, 46, 46, 99, 111, 110, 116,
>>>> 101,
>>>> 110, 116, 115, 32, 111, 102, 32, 102, 105, 108, 101, 50, 46, 103, 105,
>>>> 102,
>>>> 46, 46, 46], name=Media2]
>>>> [EL Finest]: 2008.11.18
>>>> 08:26:27.627--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--Register
>>>> the existing object
>>>> adcaster.server.domain.Media[objects=blueeye.lang.Objects@27e4e751,
>>>> id=101,
>>>> version=1]
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.627--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--begin
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.628--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--end
>>>> unit of work commit
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.628--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--resume
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.629--UnitOfWork(726392421)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--release
>>>> unit of work
>>>> [EL Finer]: 2008.11.18
>>>> 08:26:27.629--ClientSession(256032021)--Thread(Thread[httpSSLWorkerThread-8080-0,10,Grizzly])--client
>>>> released
>>>> ----------------------------------------
>>>>
>>>> Thanks,
>>>> Gili
> 
> 


-----
---
http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland 
http://www.eclipse.org/eclipselink/
 EclipseLink ,  http://www.oracle.com/technology/products/ias/toplink/
TopLink 
Wiki:  http://wiki.eclipse.org/EclipseLink EclipseLink , 
http://wiki.oracle.com/page/TopLink TopLink 
Forums:  http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink , 
http://www.nabble.com/EclipseLink-f26430.html EclipseLink 
Book:  http://en.wikibooks.org/wiki/Java_Persistence Java Persistence 
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