My BPEL process is as follows
          RECEIVE REQUEST
          RESPOND TO RECEIVED MESSAGE
          INVOKE SERVICE A (Correlation ENTITY_ID pattern=out initiate=yes)
     XXX  RECEIVE MESSAGE FROM SERVICE B (Correlation ENTITY_ID)
          RESPOND TO SERVICE B

I have used appropriate XPAths in WSDL file thus correlation is being 
initialized properly, and the RECEIVE at XXX waits till a message is sent.
The problem is that when it receives message following error is generated 
irrespective of the fact that ENTITY_ID matched or not.

DEBUG - GeronimoLog.debug(66) | Received request message for 
ReceiveWorkflowResponse.{http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}receive
DEBUG - GeronimoLog.debug(66) | Starting transaction.
DEBUG - GeronimoLog.debug(66) | Routed: svcQname 
{http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}ReceiveWorkflowResponseService
 --> 
BpelProcess[{http://www.ciber.com/GEIP/SOAPOC/AddCustomerProcess}AddCustomerProcess-252]
DEBUG - GeronimoLog.debug(66) | ODE routed to operation Operation: name=receive
style=REQUEST_RESPONSE,1
Input: name=null
Message: 
name={http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}ReceiveWFInput
Part: name=Request
elementName={http://www.ciber.com/GEIP/SOAPOC/CanonicalContent.xsd}ENVELOPE
Output: name=null
Message: 
name={http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}ReceiveWFOutput
Part: name=Response
elementName={http://www.ciber.com/GEIP/SOAPOC/CanonicalContent.xsd}ENVELOPE 
from service 
{http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}ReceiveWorkflowResponseService
DEBUG - GeronimoLog.debug(66) | Invoking ODE using MEX 
{MyRoleMex#hqejbhcnphr4523cbmfpjn [Client hqejbhcnphr4523cbmfpjm] calling 
{http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}ReceiveWorkflowResponseService.receive(...)}
DEBUG - GeronimoLog.debug(66) | Message content:  <?xml version="1.0" 
encoding="UTF-8"?>
<message><Request><ENVELOPE><BODY><CUSTOMER 
ENTITY_ID="40102">...</CUSTOMER></BODY></ENVELOPE></Request></message>
DEBUG - GeronimoLog.debug(66) | Routed: svcQname 
{http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}ReceiveWorkflowResponseService
 --> 
BpelProcess[{http://www.ciber.com/GEIP/SOAPOC/AddCustomerProcess}AddCustomerProcess-252]
DEBUG - GeronimoLog.debug(66) | invoke() EPR= null ==> 
BpelProcess[{http://www.ciber.com/GEIP/SOAPOC/AddCustomerProcess}AddCustomerProcess-252]
DEBUG - GeronimoLog.debug(66) | Commiting ODE MEX 
{MyRoleMex#hqejbhcnphr4523cbmfpjn [Client hqejbhcnphr4523cbmfpjm] calling 
{http://www.ciber.com/GEIP/SOAPOC/ReceiveWorkflowResponse.wsdl/impl}ReceiveWorkflowResponseService.receive(...)}
DEBUG - GeronimoLog.debug(66) | Commiting transaction.
DEBUG - GeronimoLog.debug(66) | >> 
handleWorkEvent(jobData={type=INVOKE_INTERNAL, mexid=hqejbhcnphr4523cbmfpjn, 
pid={http://www.ciber.com/GEIP/SOAPOC/AddCustomerProcess}AddCustomerProcess-252})
DEBUG - GeronimoLog.debug(66) | InvokeInternal event for mexid 
hqejbhcnphr4523cbmfpjn
DEBUG - GeronimoLog.debug(66) | GET MEX property 
org.apache.ode.bpel.myRoleSessionId = null
DEBUG - GeronimoLog.debug(66) | GET MEX property 
org.apache.ode.bpel.myRoleSessionId = null
DEBUG - GeronimoLog.debug(66) | GET MEX property 
org.apache.ode.bpel.partnerRoleSessionId = null
ERROR - GeronimoLog.error(108) | Scheduled job failed; 
jobDetail={type=INVOKE_INTERNAL, mexid=hqejbhcnphr4523cbmfpjn, 
pid={http://www.ciber.com/GEIP/SOAPOC/AddCustomerProcess}AddCustomerProcess-252}
java.lang.IllegalArgumentException: Invalid arguments.
        at 
org.apache.ode.utils.CollectionUtils.makeCollection(CollectionUtils.java:54)
        at 
org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.findRoute(PartnerLinkMyRoleImpl.java:127)
        at 
org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:198)
        at 
org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
        at 
org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
        at 
org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:336)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:332)
        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown 
Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
        at 
org.apache.ode.bpel.common.CorrelationKey.hashCode(CorrelationKey.java:156)
        at java.util.HashMap.hash(Unknown Source)
        at java.util.HashMap.put(Unknown Source)
        at java.util.HashSet.add(Unknown Source)
        at 
org.apache.ode.utils.CollectionUtils.makeCollection(CollectionUtils.java:49)
        ... 15 more
ERROR - GeronimoLog.error(108) | Error while processing transaction, retrying.
org.apache.ode.bpel.iapi.Scheduler$JobProcessorException: 
java.lang.IllegalArgumentException: Invalid arguments.
        at 
org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:336)
        at 
org.apache.ode.bpel.engine.BpelServerImpl.onScheduledJob(BpelServerImpl.java:373)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:337)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4$1.call(SimpleScheduler.java:336)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler.execTransaction(SimpleScheduler.java:174)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:335)
        at 
org.apache.ode.scheduler.simple.SimpleScheduler$4.call(SimpleScheduler.java:332)
        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown 
Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: Invalid arguments.
        at 
org.apache.ode.utils.CollectionUtils.makeCollection(CollectionUtils.java:54)
        at 
org.apache.ode.bpel.engine.PartnerLinkMyRoleImpl.findRoute(PartnerLinkMyRoleImpl.java:127)
        at 
org.apache.ode.bpel.engine.BpelProcess.invokeProcess(BpelProcess.java:198)
        at 
org.apache.ode.bpel.engine.BpelProcess.handleWorkEvent(BpelProcess.java:372)
        at 
org.apache.ode.bpel.engine.BpelEngineImpl.onScheduledJob(BpelEngineImpl.java:326)
        ... 11 more
Caused by: java.lang.NullPointerException
        at 
org.apache.ode.bpel.common.CorrelationKey.hashCode(CorrelationKey.java:156)
        at java.util.HashMap.hash(Unknown Source)
        at java.util.HashMap.put(Unknown Source)
        at java.util.HashSet.add(Unknown Source)
        at 
org.apache.ode.utils.CollectionUtils.makeCollection(CollectionUtils.java:49)
        ... 15 more

-Harshit

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