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| Should I Increase MaxConncetion |
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| osullivj35 |
 Posted: Tue Oct 13, 2009 1:44 am Post subject: Should I Increase MaxConncetion |
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Newbie
Joined: 13 Jan 2009
Posts: 6
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We have a websphere 5.1 application providing a number of websphere applications via HTTP and MQ. We are having problems with our MQ communication
I am getting the following errors
| Code: |
| javax.jms.JMSException: JMSException occurred : Failed to create queue connection |
With the following supplementary info:==>
| Code: |
Now customized dump is running... = Tue Oct 13 09:50:24 BST 2009
Maximum number of connections has been reached, and the connection request has been waiting longer than = ConnectionWaitTime. Two possible solutions : increase the max number of connections, or increase the = ConnectionWaitTime. =
Maximum Connections = = 10
Current number of connections = = 10
Connection Wait Timout = = 180000
If the current number of connections is not greater than or equal to max connections, = there has been a WebSphere internal error. =
Dumping the list of J2EEComponents and their corresponding handle count =
Component Prod LocationAgent Drop 17#la-int09comm.jar#LocationAgentHelper is holding 9 number of connection(s)
Component Prod LocationAgent Drop 17#la--int09comm.war#DispatchServlet is holding 0 number of connection(s)
Component GEO_PRD_RLU_DROP15#GeoEJB.jar#MDBBean is holding 0 number of connection(s)
=
This = =
Object type = com.ibm.ejs.j2c.ConnectionManager
com.ibm.ejs.j2c.ConnectionManager@91d65fe
+Data for directive [MaxConnectionsReached] obtained. =
==> Dump complete for com.ibm.ejs.j2c.DiagnosticModuleForJ2C = Tue Oct 13 09:50:24 BST 2009 |
The only way to recover is to bounce the applications.
Should I increase the maximum number of MQ connections allowed, it is currently set at 10. Is there any danger in increasing this?
Thanks,
J  |
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| fjb_saper |
| Posted: Tue Oct 13, 2009 3:09 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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10 is a very low number.
Think MDB needs number of instances + 1 connections and then you still need to cater for the outgoing stuff.... 
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| mqjeff |
| Posted: Tue Oct 13, 2009 3:42 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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Also, v5.1 is a very low number.
Please upgrade. |
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