BPEL End Point URL using External Load Balancer URL

Hi All,
We have Oracle SOA Suite installed in a clustered environment as per the Enterprise Deployment Guide 10g Release 310.1.3.3.0 E10294-02.
I have deployed a BPEL process to the clustered environment and the end point refers to the internal url of the load balancer e.g. http://internallink:8001/orabpel/default/testService/1.0
When we just paste this end point in a browser, enter the parameters and click on invoke, the BPEL Process gets invoked.
However, if we try to use the external url(which is on https) of the load balancer as the enpoint url eg https://externallink/orabpel/default/testService/1.0 to invoke the same BPEL process, the page which is used to accept the parameters and the used to invoke the BPEL process is successfully displayed. However, when we try to invoke the service, the connection times out.
Please note that internallink and externallink are the internal and external VIPs, respectively.
Does someone have an idea of what may be wrong or what needs to be corrected to be able to invoke the BPEL process using the external VIP, please?
Thanks in advance.

Check if the port of ESB in your server is open.
I think that the port is: 7777
try from ESB server:
wget WSDLURI
if you got the file then the port is closed.

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Hope this helps - Mark

Mark, be my savior, I work for SUN as subcontractor at client site. the only one at site ...so I depend on this forum for solutions........
still having trouble failingover to second instance. I have two AccessManagers behind this loadbalancer.
Here is what I saw......
**************LOGS**********************
[20/Jun/2005:14:22:47] failure (15102): for host 128.114.65.13 trying to GET /amconsole/base/AMA
dminFrame, service-passthrough reports: timed out waiting for request body
[20/Jun/2005:14:22:47] warning (15102): reports: lb.runtime: ROUT1014: Non-idempotent request /
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So I went and updated the loadbalancer.xml (see at the end of the msg). Now I get a different kind of problem...
**************LOGS******************************
[20/Jun/2005:15:25:18] failure (15295): for host 128.114.65.13 trying to GET /amconsole/base/AMA
dminFrame, service-passthrough reports: timed out waiting for request body
[20/Jun/2005:15:25:18] info (15295): reports: lb.runtime: RNTM3003 : Error servicing the request : NoVal
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**************************************************************

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