There does not seem to be a lot of activity on this forum. is there a better
place to get JBOSS questions answered?
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Has anyone seen this problem? What would cause a deadlock exception when all
the methods are marked as READ-ONLY?
Thanks.
-AP_
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http://www.jboss.org/index.html?module=bbop=viewtopicp=3889784#3889784
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I am running jboss 3.2.7 on Linux.
I have examined my application and marked all read-only method with a tag (in
jboss.xml):
method-attributes
method-nameget*/method-name
read-onlytrue/read-only
/method-attributes
I also added similar tags for is* and any other read-only
Have you found a solution to your problem. I am having the same issue and
notice that all Deadlock messages posted here go unanswered.
Thanks.
-AP_
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http://www.jboss.org/index.html?module=bbop=viewtopicp=3888677#3888677
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I need to do the same thing. Has anything changed since last year in this
area? Can someone point me to where I can get more information about how to do
this?
Thanks.
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Alexey, I downloaded JBOSS 3.2.7 and it works great in this regard. Thanks
for your initial suggestion.
-AP_
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I have an application which runs quite fast. Recently I discovered that under
heavy load I get Deadlock exceptions raised from JBOSS (3.2.3). I noticed
that the Deadlock exception occurs during a READ-ONLY operation and decided to
mark all my get* is* has* methods with read-only attribute.
Arrrg, the title got choped down. It should have read:
Adding read-onlytrue/read-only on method increased # of SELECT calls by a
lot!
Thanks.
-AP_
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Alex, will CMPCleanReadAheadOnLoad help (in avoiding many SQL SELECT calls) in
conjunction with read-onlytrue/read-only for the purposes of avoiding locks
on read-only objects?
Thanks so much for replying quicly to my last message.
-AP_
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Dear Members:
I have an READ operation which returns Entity objects. This operation is
currently marked with a TX of Required. In actuality I don't need a TX in this
case, however, when I attempted to change TX to Supports/NotSupported I
experienced a SELECT from the DB for every getXXX
Sorry, what I wanted to ask was What TX attribute to set for READ-ONLY
operation?
Thanks.
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