Timer Event Generator.

Hi there
I'm running WL Platform 8.1 SP4. I am using the timer event generator to fire requests to a channel/process. The timer is simply used to start a given process, there is no notion of message sent to it.
Issues
1) When defining a channel,
e.g
<channel name ="XToY" messageType="xml"
qualifiedMetadataType="eg:TimerEventGenerator" />
It seems I must define messageType="xml", if i define it as 'none' then it does not appear in the channel list when defining the timer event generator, therefore i cannot bind to it. So if I leave the messageType as xml, it appears. For the configuration of the timer, the message element is optional. Problem is when the timer now fires it throws the following error:
<08-May-2006 10:25:25 o'clock BST> <Error> <WLI-Core> <BEA-489030> <Error publishing Timer Event message for XToYTimerEG : com.bea.wli.mbconnector.MBConnMDBBase$MBConnectorException: Can't create proc
ess variable: com.bea.wli.mbconnector.MBConnMDBBase$MBConnectorException: Can't read XML (no root element)>
Any ideas?
2) Can someone direct me to any wlst scripts that allow the creation of a timer event generator in a cluster? ?I cannot find anything on dev2dev ?
TIA
Arvinder

Ok, you can basically leave the messageType as XML
and for the Timer EG configuration, for the optional message you can add <dummy/> this will fire the request and start a workflow or whatever is bound to the channel.

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Weblogic Timer Event Generator - How it works?

Hello everyone!
I have wrote simple wli-application, that subscribes to the message broker channel.
I have deployed it to the cluster (managed servers 1 (ms1) and 2(ms2)). (I use Weblogic Server 10.3, cluster contains 1 admin server and 2 managed servers.)
Than I have created the timer event generator (EG) via wliconsole and rule for this EG - to send message to the MB-channel every 30 seconds.
Then I redeploy EG application via console (WLS Admin Console) from managed server 1 to cluster (m.servers 1 and 2) and start it.
Everything started ok - I got messages to both instatnces of my application in the following way:
15:30:00 - to instance on ms1
15:30:30 - to instance on ms2
15:31:00 - to instance on ms1
15:31:30 - to instance on ms2
...and so on
when I shut down ms2 - I started to receive messages to instance of my application on ms1 every 30 secodns. Here Everything is OK.
Then I start ms 2 and got the picture like:
15:30:00 - to instance on ms1
15:30:30 - to instance on ms2
15:31:00 - to instance on ms1
15:31:30 - to instance on ms2
...and so on
Then I shutdown ms1... And that's all - no messages to instance on ms2 :(
I started ms1 and no messages on both instances - on ms1 and ms2..
Can you explain me how Timer Event Generator works? What resources it uses? And how can I setup it to get load-balancing while both instances running and failover - when one of the instances shutdowned?
Thanks in advance,
Vladimir.

Hi Vladimir, it seems like we must have different environments. I don't know if you used the latest version of wli or not...
So, not exactly for you, but for someone who happens to read this post, and has the same problems we did...
-- I've configured the cluster address using the IP i've assigned to the servers.
--- it means that it is like: 192.168.70.120:8013,192.168.70.120:8113 - ip's & PORT, yes?
Yes, that's the format we are using (http://download.oracle.com/docs/cd/E13222_01/wls/docs92/cluster/setup.html#wp751583)
-- Configured the FrontEndHost and FrontEndPort with that same values as the AdminServer.
--- and you have the http-proxy deployed on your admin server? 'cause front-end host and port - must be the host and port of http-proxy that performs load-balancing for requests to your processes on your managed servers.
Actually we don't need the HTTP load balance, we only start the process via EG events, so we only benifit from load balancing on the JMS queues, but i had to configure this to be able to start the process. We had errors if we didn't configure this. We used the AdminServer address and port.
-- Relocated the Persistent Stores and JMS Servers since some were incorrectly pointing to the AdminServer.
---I didn't understand about what p.stores you are talking about.. I meant that you must create new JDBC p.store with table in cgDataSource and targeted to migratable target. And than you must create a new jms-server, which hosted to this p.store.
...But I didn't retarget any existing p.stores......
Once the domain was created (didn't do anything but to follow the wizard) we had the persistent stores (and underlying JMS servers) targeted to the AdminServer (obviously incorrect). So we retargeted them to the Managed Server.
-- Created the JSP_<PROCESS> table in the database.
--- and what is this? :)
We had to create a table to persist the wli process state, because it is a statefull process (http://download.oracle.com/docs/cd/E13214_01/wli/docs102/dbtuning/wliTuning.html)
The matter of fact is everything works fine, despite the exceptions i mentioned in the AdminServer, once it gets started... But it seems to have no negative impact on the application, and migration is done successfully
I will continue to work on figuring out what the origin of those exceptions is, and if i manage to find a solution i, most surely, will post it here... One thing i find to be strange is that the exceptions start even before i have anything deployed to the Migratable Target... Once i create it and restart the server i get those messages, and we tried the Concensus configuration with NodeManager, as well as the Database configuration.
I guess that what's really important for us now is that we do have fail over and load balancing working... :D
I don't know if it would be abusive to ask you for that document of yours, maybe it has some clue on what's wrong in our config, but again, i understand if you can't share that =)
By the way, i'm portuguese, but since google made the translator available, i guess i can manage russian documentation as well ;)
I can't tell you how gratefull i am for your help, and for sharing your previous experience with the rest of us. If it wasn't for your altruism i guess i would be stuck with this for much longer... you sure saved my day... BIG BIG thank you..
Once again, thank you and i wish you all the best !!! I just wished i could be helpfull to you sometime =)

Query WLI Timer Event Generator's status

Hi guys,
I am using WLI 10.3. Does anyone know how to query the status of Timer Event Generator programatically?
I am able to create and start the timer programatically through JMX and WebLogicDeploymentManager but not getting the status
of timer. It doesn't even look like this is possible through TimerEventGenRuntimeMBean or am I missing something?
Thanks
Sam

Ok, you can basically leave the messageType as XML
and for the Timer EG configuration, for the optional message you can add <dummy/> this will fire the request and start a workflow or whatever is bound to the channel.

Using WLST: Unable to create WLI Timer Event Generator

Hello,
I'm trying to create a WLST script, whcih will create Timer Event Generator on WLI 9.2 MP2.
Though to some extent script runs perfect, but it gives error when calling MBean egCfgMBean = getTarget("TimerEventGeneratorss/TimerEventGenerators")
Here is my script:-
import weblogic.Deployer
import com.bea.wli.mbconnector.timer as timereggen
import com.bea.wli.mbconnector.file as fileeggen
import com.bea.wli.management.configuration as wlicfg #Must have wli.jar in classpath
import java.lang.Boolean as bool
import jarray
import sys
print 'Starting the Timer Event Generation Configuration script .... '
if connected != 'true':
print 'Connecting to weblogic server .... '
connect(userName,passWord,URL)
else:
print 'Connected'
try:
print "Creating Timer EG ", timerEgName
timereggen.TimerConnGenerator.main(["-inName", timerEgName,"-outfile", domaindir + "/" + "WLITimerEG_" + timerEgName + ".jar"])
#timereggen.TimerConnGenerator.main(["-inName", timerEgName,"-outfile", domaindir,"-destJNDIName",jndiName])
#timereggen.TimerConnGenerator.main(["-inName", timerEgName,"-outfile", domaindir])
#wlst.config()
custom()
#egCfgMBean = wlst.getTarget("TimerEventGenerators/TimerEventGenerators")
egCfgMBean = getTarget("TimerEventGeneratorss/TimerEventGenerators")
egMBean = egCfgMBean.newTimerEventGenConfigurationMBean(timerEgName)
#egMBean = cmo.getTimerEventGenConfigurationMBeans()
cData = jarray.zeros(1, wlicfg.TimerEventGenChannelConfiguration)
print 'pass one'
cData[0] = wlicfg.TimerEventGenChannelConfiguration()
cData[0].setChannel(channel)
cData[0].setEffective(effectiveTime)
#cData[0].setExpiry(expiryTime)
cData[0].setFrequency(frequency)
cData[0].setMessageContent(message)
cData[0].setCalendarName(calendar)
cData[0].setPublishAsUser(publishAsUser)
egMBean.setChannels(cData);
appName = "WLITimerEG_" + timerEgName
deploy( appName, domaindir + "/" + appName + ".jar", adminServerName, "nostage" )
cd("Applications/" + appName)
set("LoadOrder", 1500)
cd("../..")
print "script returns SUCCESS"
except:
print "ERROR: configuration"
#dumpStack()
# Finished
print 'Disconnecting from server...'
disconnect('y')
print 'Finished.'
exit()
I really need some help to fix this issue.
Thanks
dig

Hi,
RDBMS Event Generator Channel Rule Definition
When you are creating channel rule definitions in the WebLogic Integration Administration Console, it is recommended that you do not use the Back button if you want to resubmit the details on a page.
You should always use the navigation links provided and create a new channel rule definition.
http://download.oracle.com/docs/cd/E13214_01/wli/docs85/deploy/cluster.html
http://download.oracle.com/docs/cd/E13214_01/wli/docs81/relnotes/relnotesLimit.html
http://otndnld.oracle.co.jp/document/products/owli/docs10gr3/pdf/deploy.pdf
This problem has been seen in the past when defining the channel rule for an RDBMS Event Generator if schema name was specified with the incorrect case (i.e. lowercase when it should have been uppercase or vice versa). To that end, it is suggested to change the case of the schema when creating the channel rule
Regards,
Kal

Edit Timer Event Generator MBean-Weblogic 9.2

As of new 9.0 api ,MBeanHome interface is deprecated & I have to use standard javax.management classes to connect to mbean servers.
I am been able to manage the mbean under weblogic server.
By using MBeanHome.getMBeansByType(TimerEventGeneratorsMBean.TYPE) in old API I can easily manipulate the properties.
But how can I get the Event Generator MBeans & manage their properties in new 9.0 api?
I am really worried & could not get any proper documentation of manipulating WLI Mbeans in new API.
Thanks in advance.

As of new 9.0 api ,MBeanHome interface is deprecated & I have to use standard javax.management classes to connect to mbean servers.
I am been able to manage the mbean under weblogic server.
By using MBeanHome.getMBeansByType(TimerEventGeneratorsMBean.TYPE) in old API I can easily manipulate the properties.
But how can I get the Event Generator MBeans & manage their properties in new 9.0 api?
I am really worried & could not get any proper documentation of manipulating WLI Mbeans in new API.
Thanks in advance.

Weblogic Integration - Timer Event

(Sorry about my english, but it isn't my native language)
Hi, I'm working with weblogic integration 8.1 sp6 and I didn't found enough documentation about Timer Event. When I'm creating a new Timer Event Generator, Weblogic Integration Administrative Console required 2 parameters (Generator Name and JMS Connection Factory JNDI Name), and JMS Connection Factory JNDI Name show three options (weblogic.jws.jms.QueueConnectionFactory, wli.internal.egrdms.XAQueueConnectionFactory and com.bea.wli.b2b.server.TopicConnectionFactory). My question is: What is the best "JMS Connection Factory JNDI Name" option?.
Thanks in advance.

(Sorry about my english, but it isn't my native language)
Hi, I'm working with weblogic integration 8.1 sp6 and I didn't found enough documentation about Timer Event. When I'm creating a new Timer Event Generator, Weblogic Integration Administrative Console required 2 parameters (Generator Name and JMS Connection Factory JNDI Name), and JMS Connection Factory JNDI Name show three options (weblogic.jws.jms.QueueConnectionFactory, wli.internal.egrdms.XAQueueConnectionFactory and com.bea.wli.b2b.server.TopicConnectionFactory). My question is: What is the best "JMS Connection Factory JNDI Name" option?.
Thanks in advance.

Delete event generator using wlst

Hi guys,
Does someone know if it is possible to find timer event generator by its name and delete it in Weblogic(version 9.2.3) using wlst?
Thanks

You could see this informantion here:
http://docs.oracle.com/cd/E14981_01/wli/docs1031/deploy/cluster.html#wp1519038

How to use single Timer to generate PWM PULSE, Pulse ON time measurement, Event time measurement1,Event time measurement2

Hi,
I am planning to use a single Timer to generate PWM PULSE, Pulse ON time measurement, Event time measurement1,Event time measurement2 some one please suggest me how can I achive this.
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Michael

Hi Michael,
It would be really good to understand your application a little more so that any specific needs that you have may be met. In the meantime, I would also suggest searching on ni.com for "pwm" or other keywords that relate to your application. You will see a faceted navigation on the left side that allows you to narrow your search for example code, tutorials, etc.
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National Instruments
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Config event generator to log when file didn't arrive at certain time?

hi everyone
is it possible to configure a file event generator to write a log if certain files did not arrive at pre-defined time? or any event generator to log if certain events did not happen at specified time? thanks in advance.
Message was edited by chendongtom at Sep 13, 2004 10:23 AM

Hi,
I don't think, it is possible.
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Hi Gurus,
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[email protected]

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How to validate overtime (IT2005) with time event (IT2011)

dear gurus,
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Hi
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Suspending / resuming event generators is nothing else then undeploying /redeploying the component, which is building up the event generator (either a MDB or a servlet). That can be done via the JMX Api.
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New article: Exploring the WebLogic Integration 8.1 RDBMS Event Generator

Dev2Dev has just published an article that you may be interested in:
Exploring the WebLogic Integration 8.1 RDBMS Event Generator
http://dev2dev.bea.com/pub/a/2007/02/rdbms-event-generator.html
If you'd like to write for Dev2Dev on a WebLogic Integration (or any other) topic, please contact me!
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Jon Mountjoy - Editor, Dev2Dev - http://dev2dev.bea.com/pub/au/13

If you are using a cluster you need to make sure the connection pool and data source are deployed on the admin server. I have had this problem many times before.

Timer Event Generator.

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