Correlation for ELS

Hi all,
i'm in the process of making a fairly generic ELS functionality with by using eInsight Correlation.
Have one inbound Queue that is being picked up by a JMS Receive, initialized the CorrelationSet, etcetera. Then goes on to a while loop which contains an Event Based Decision with a JMS Receive on one branch and a Time out on the other branche.
Although the runtime errors appear to occur at random, in order to not get runtime errors i have to specify a receiveWait for this one, but then the process blocks. If i use a receive then i get the exception below.
For using receiveWait i do have to specify a different PortType, ns0:JMSQueue instead of ns0:JMSMessageListener.
[#|2007-02-08T22:26:03.328+0000|INFO|IS5.1.2|javax.enterprise.system.container.ejb|_ThreadID=32; ThreadName=JMS Async S167; Context=prjPPlay_u002F_prjELSdpELS/qHTTPReply_cmELS_bpELS1_ejb;stacktrace-id=4;|
javax.ejb.TransactionRolledbackLocalException: Exception thrown from bean; nested exception is: java.lang.NullPointerException
java.lang.NullPointerException
     at com.stc.codegen.eInsightImpl.runtime.ejb.BPELService.handleRequestWithCorrelatedInstance(BPELService.java:596)
     at com.stc.codegen.eInsightImpl.runtime.ejb.BPELService.handleRequest(BPELService.java:340)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Just to verify, is it possible to use eInsight Correlation with receiving messages from the same Queue ? All samples i've seen separate the Queue for the first JMS Receive and the second JMS Receive.
Tried that too, but cause some other trouble which wasn't worth pursuing.
Any input is welcome.
Take care and Ciao
Paul

11.10.5 and 11.10.6 to refer to...
Using for the first receive
<receive name="JMS.receive"
partner="JMSSource"
portType="ns0:JMSMessageListener"
operation="receive"
container="JMS.receive.Output"
createInstance="yes"
<correlations>
<correlation set="csGroupID" initiation="yes"/>
</correlations>
For the second receive either :
<onMessage name="JMS.receive"
partner="JMSSource"
portType="ns0:JMSMessageListener"
operation="receive"
container="JMS.receive.Output1"
<correlations>
<correlation set="csGroupID" initiation="no"/>
</correlations>
Throws the Error as refered to in the first case.
<onMessage partner="JMSSource"
portType="ns0:JMSQueue"
operation="receiveWait"
container="JMS.receive.Output1"
<correlations>
<correlation set="csGroupID" initiation="no"/>
</correaltions>
Never picks up a message...
Should i just not use an event based decision such as in the samples ?

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While creating delivery am facing below error.
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this i am facing for Genaric article in is-reatil, item cate group am using as 0002 and for main article system will determine item category as TAC
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Queue1
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Hi,
I am working on a BPM scenario. I Receive 3 different messages which I merge later in the process. I can see that the first received message is processed but the following messages get stuck in the inbound queue with a error message "permanent error in BPM" or something like that. Also I saw an error message which says "No active correlations for message".
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sxi_cache status is "0". no problem there.
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By the way after i tried it a number of times the inbound error throw another error.
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IV / Permanent error i"
Why do i get this error?
Thanks

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hallo,
would anybdy be kind enough to tell me where i've done somthing wrong?
im using netbeans 6.1 for SOA application development. there are two receive activities in a BPEL, recieve1 and recieve2. on the latter i have defined a correlation whose initiator is recieve1. the related source code from correlationWSDL is :
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