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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>In my application, I do a disconnect
before trying to reconnect too.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>But as I said in explanation earlier, it
doesn’t clean up the leftover state (“connected” variable on
the SpreadConnection class in JavaAPI wrapper of Spread).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Thank you.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Regards,</span></font><o:p></o:p></p>
<p class=MsoNormal><strong><b><font size=3 color=black face=Georgia><span
style='font-size:12.0pt;font-family:Georgia'>Renee Mathur.</span></font></b></strong><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Contractor,</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Framework Support, Technology
Department,</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Southwest Airlines.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Ph: (W) 214.792.4644</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Email: <a
href="mailto:renee.mathur@wnco.com">renee.mathur@wnco.com</a></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Website: <a
href="http://www.southwest.com">www.southwest.com</a></span></font><o:p></o:p></p>
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<p class=MsoNormal><b><font size=2 color=black face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;color:windowtext;font-weight:bold'>From:</span></font></b><font
size=2 color=black face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:windowtext'> spread-users-bounces@lists.spread.org
[mailto:spread-users-bounces@lists.spread.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Dave Koberstein<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, July 27, 2009 3:36
PM<br>
<b><span style='font-weight:bold'>To:</span></b> spread-users@lists.spread.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Spread-users] Socket
Exception when daemon dies. Cannot re-connect to Spread.</span></font><font
color=black><span style='color:windowtext'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'>We issue a disconnect before reconnect. It seems
to me that throws an exception since the socket is closed but in effect cleans
up any leftover state regarding the connection.<br>
<br>
On 7/27/2009 12:46 PM, Renee Mathur wrote: <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Hi.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>I have an application that performs like a Replicated
Cache and uses Spread 4.0 for messaging.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>I have multiple instances of my application and
multiple spread daemons in the environment.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>In my application I have a receive thread, that
receives messages from Spread.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>I have code where, if I get a socket exception on the
receive thread (the daemon has died or unable to connect to the daemon),<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>I do a disconnect and then, I try to connect to other
daemons that may be running.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>But, once my application gets a Socket exception,
when I try to re-connect, I get an “Already Connected”
SpreadException from Spread.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Looking through the Spread source code
(SpreadConnection.java), I found, if the receive gets an exception, it does not
set the “connected” Boolean to false.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Subsequent disconnect invoked by my application fails
too, (since it tries to send a Spread Message which would fail since the Socket
has been closed from the daemon), which throws another SpreadException, but
does not set connected to false. <u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Subsequent connect invoked by my application, checks
the connected variable, and throws a SpreadException saying its “Already
Connected”.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>I checked the source code for 3.17, 4.0 and 4.1, and
the logic has not changed in any of the versions.<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Are there any work arounds for this situation? How
can my application connect to a different daemon once its been disconnected?<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Any help/insight much appreciated!<u1:p></u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial'><u1:p> </u1:p></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Thank you.</span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'> <u1:p></u1:p><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Regards,</span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><strong><b><font size=3 color=black face=Georgia><span
style='font-size:12.0pt;font-family:Georgia'>Renee Mathur.</span></font></b></strong><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Contractor,</span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Framework Support, Technology
Department,</span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Southwest Airlines.</span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Ph: (W) 214.792.4644</span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Email: <a
href="mailto:renee.mathur@wnco.com" moz-do-not-send=true>renee.mathur@wnco.com</a></span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=black face=Georgia><span
style='font-size:10.0pt;font-family:Georgia'>Website: <a
href="http://www.southwest.com" moz-do-not-send=true>www.southwest.com</a></span></font><u1:p></u1:p><o:p></o:p></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt'><u1:p> </u1:p><o:p></o:p></span></font></p>
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<pre wrap=""><font size=2 color=black face="Courier New"><span
style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre
style='text-align:center'><font size=2 color=black face="Courier New"><span
style='font-size:10.0pt'>
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</span></font></pre><pre><font size=2 color=black face="Courier New"><span
style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 color=black face="Courier New"><span style='font-size:10.0pt'>_______________________________________________<o:p></o:p></span></font></pre><pre><font
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