BPEL Process Workflow Assistance

Hello BPEL Experts,

we are implementing a Project on Oracle Content Management, where in which we are implementing Oracle Imaging and Process Management 11g of the version, we are getting the following issue:

After deployment of the process into the SOA server 11g, we are facing issues within the Invoice Processing BPEL process.

The payload gets stuck up at the Human task component of the Invoice Processing BPEL process.

All the 16 BPEL process are calling each other in a sequence and hence have to be deployed in the below sequence

 

1) SupplierMaintenance

2) Rescan

3) RequestForInvoiceInformation

4) InvoiceSynchronization

5) InvoiceApproval

6) AccountDistribution

7) ManageHolds

8) InvoiceValidationAndImport

9) AssignUser

10) InvoiceProcessing