----- Original Message -----
Sent: Monday, July 17, 2006 11:34
AM
Subject: RE: Thread Safety w/
SandeshaContext
Jaliya
Thankyou very much for the sample code you've added in. I checked it
out and it helped me find a bug in my code and it is now working as I
expected. Really appreciate the response,
Kind Regards
Matt
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Hi Matt,
Hmm.., I did not get the exception you have
mentioned. However I have added a new sample that use several threads. Please
take a new checkout. The sample is MutliThreadedEcho.java
Please note that I have fixed a problem with the
way we use the UUIDGenerator. So now it should work fine.
Sandesha2 should also be fine with threads
however I still did not test it.
Thanks,
Jaliya
----- Original Message -----
Sent: Friday, July 14, 2006 6:51
AM
Subject: Re: Thread Safety w/
SandeshaContext
Jaliya
Sorry for
emailing to 2 addresses; I write with respect to the post
below:
Since this is a
relatively old post I thought I'd email you direct to be more sure of a
response.
I am also
receiving the IllegalStateException when trying to run sandesha 1 with
multiple threads. I have tried checking out and new copy as advised and
building with maven 1 (then bundling up into a jar file) but have found it
made no difference and I still receive the IllegalStateException
error.
My questions
are:
1) Whether this
is still a known issue with sandesha1 or if I have somehow gotten my compile
wrong
2) If sandesha2
is designed to be thread safe; I am considering porting over to sandesha2
but thought it may be quicker for me to ask before finding the latest
version isn't thread safe either
Regards
Matt
ps. The post
referred to in the email:
Hi Alex,
Thanks for pointing this out. Now it is fixed. Please take a new checkout
from
http://svn.apache.org/repos/asf/webservices/sandesha/branches/sandesha_1_0/
and build using maven.
Thanks,
Jaliya
----- Original Message -----
From: "Alex Horwitz" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, March 06, 2006 10:17 AM
Subject: Thread Safety w/ SandeshaContext
Hello All:
My apologies if this has been asked / addressed before (or if my assessment
is incorrect). I am implementing a simple test where I spin up multiple
client threads, each of which uses Sandesha (1.x) to reliable execute a
service. This is resulting in an IllegalStateException. A quick profile
session shows contention in the SandeshaContext.startClientSender method, as
multiple threads enter this static method concurrently and, consequently,
the Sender's startSender method is called multiple times against the same
instance, which has the effect of adding too many SenderWorkers to the
ThreadPool (hence, the Illegal State).
If anyone has experience with this issue, I would greatly appreciate your
assistance.
Thank you.
Alex Horwitz
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Matthew Hill
Research Scientist,
Networks Group
BAE SYSTEMS Advanced Technology Centre
BAE SYSTEMS
Ltd.
Great Baddow
Chelmsford, Essex UK CM2 8HN
Email: [EMAIL PROTECTED]
Tel:
+44 (0)1245 242027
Fax: +44 (0)1245 242124
VNET: 333 4027
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