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| How can check XMS connection state? |
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| kugynok |
 Posted: Tue Jul 29, 2014 8:18 am Post subject: How can check XMS connection state? |
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Newbie
Joined: 21 Jul 2014
Posts: 7
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Hi all!
I use IBM MQ 7.5 MXS .NET, and I want implement to reconnection, but I dont find the connection state.
How can check connection state is LIVE?
Help me please!
Thank you!
K. |
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| fjb_saper |
| Posted: Tue Jul 29, 2014 10:07 am Post subject: Re: How can check XMS connection state? |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| kugynok wrote: |
Hi all!
I use IBM MQ 7.5 MXS .NET, and I want implement to reconnection, but I dont find the connection state.
How can check connection state is LIVE?
Help me please!
Thank you!
K. |
The connection state is checked on each API call.
If you use asynchronous delivery you may want to only use an unmanaged connection and be sure you add an exception listener to the connection. (prior to V8 ) 
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MQ & Broker admin |
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| kugynok |
| Posted: Tue Jul 29, 2014 8:55 pm Post subject: |
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Newbie
Joined: 21 Jul 2014
Posts: 7
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Hi!
I do not fully understand what you wrote, can you explain to me?
I use an unmanaged connection and add an exception listener to the connection. But how can resolve when connection was broken? Need to reconnection manual or automatic?
Thank you!
K. |
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| fjb_saper |
| Posted: Wed Jul 30, 2014 4:27 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| kugynok wrote: |
Hi!
I do not fully understand what you wrote, can you explain to me?
I use an unmanaged connection and add an exception listener to the connection. But how can resolve when connection was broken? Need to reconnection manual or automatic?
Thank you!
K. |
Depends on the type of connection (bindings vs client), how it was broken, how long it was broken for etc...
What have you tested so far?
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| kugynok |
| Posted: Wed Jul 30, 2014 4:48 am Post subject: |
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Newbie
Joined: 21 Jul 2014
Posts: 7
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Client connection:
Code:
| Code: |
public void Connect(string username, string password, string ip, int port, int reconnectTime, string qmName, string chName, string queueIn)
{
try
{
//Create connection
XMSfactoryFactory = XMSFactoryFactory.GetInstance(XMSC.CT_WMQ);
Connectionfactory = XMSfactoryFactory.CreateConnectionFactory();
Connectionfactory.SetStringProperty(XMSC.WMQ_QUEUE_MANAGER, qmName);
Connectionfactory.SetStringProperty(XMSC.WMQ_HOST_NAME, ip);
Connectionfactory.SetIntProperty(XMSC.WMQ_PORT, port);
Connectionfactory.SetStringProperty(XMSC.WMQ_CHANNEL, chName);
Connectionfactory.SetIntProperty(XMSC.WMQ_BROKER_VERSION, XMSC.WMQ_BROKER_V2);
Connectionfactory.SetIntProperty(XMSC.WMQ_CONNECTION_MODE, XMSC.WMQ_CM_CLIENT_UNMANAGED);
// In case of network issues - reconnect to same queue manager
Connectionfactory.SetIntProperty(XMSC.WMQ_CLIENT_RECONNECT_OPTIONS, XMSC.WMQ_CLIENT_RECONNECT_Q_MGR);
Connectionfactory.SetStringProperty(XMSC.WMQ_CONNECTION_NAME_LIST, String.Format("{0}({1})", ip, port));
Connectionfactory.SetIntProperty(XMSC.WMQ_CLIENT_RECONNECT_TIMEOUT, reconnectTime); ;
if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
{
Connection = Connectionfactory.CreateConnection(username, password);
}
else
{
Connection = Connectionfactory.CreateConnection();
}
Connection.ExceptionListener = new ExceptionListener(XMSExceptionHandler);
Connection.Start();
MqConnected = true;
Log.AddDbAndFile("Az MQ csatlakozott! \r\n", "I",
System.Reflection.MethodBase.GetCurrentMethod().DeclaringType +
"." + System.Reflection.MethodBase.GetCurrentMethod().Name);
}
catch (XMSException e)
{
CheckConnection(e);
IniFile.Error = "Nincs kapcsolat az MQ szerverrel!";
Log.AddDbAndFile("Hiba történt! \r\n" +
e.ToString() + " \r\n", "E",
System.Reflection.MethodBase.GetCurrentMethod().DeclaringType +
"." + System.Reflection.MethodBase.GetCurrentMethod().Name);
}
catch (Exception e)
{
IniFile.Error = "Nincs kapcsolat az MQ szerverrel!";
Log.AddDbAndFile("Hiba történt! \r\n" +
e.ToString() + " \r\n", "E",
System.Reflection.MethodBase.GetCurrentMethod().DeclaringType +
"." + System.Reflection.MethodBase.GetCurrentMethod().Name);
}
}
private void CheckConnection(XMSException exception)
{
if (exception.ErrorCode == "CWSMQ0006")
{
this.MqConnected = false;
}
else
{
this.MqConnected = true;
}
if(exception.ErrorCode=="XMSWMQ2014")
{
this.MqConnected = false;
Session = null;
Connection = null;
}
}
private void XMSExceptionHandler(Exception e)
{
if (e is XMSException)
{
var ex = e as XMSException;
IniFile.Error = "MQ hiba: " + ex.ErrorCode;
CheckConnection(e as XMSException);
}
Log.AddDbAndFile("Hiba történt! \r\n" +
e.ToString() + " \r\n", "E",
System.Reflection.MethodBase.GetCurrentMethod().DeclaringType +
"." + System.Reflection.MethodBase.GetCurrentMethod().Name);
}
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Tested:
1. Create Connection
2. MQ server off
3. Try get message (( Connection.CreateSession)I catched the exception: Error Code: XMSWMQ2014)
4. Session.CreateConsume(Dest) (thow nullRefencesObject exception)
I try resolve this problem.
Thank You for help me!
K. |
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