on 09-02-2009 10:32 AM
Hi,
I have tried to test a public Web service with the following WSDL (http://www.webservicex.net/CurrencyConvertor.asmx?WSDL) in the WS Navigator of ES Workplace (http://sr.esworkplace.sap.com/wsnavigator) and it worked.
But when I tried it in the WS Navigator of the SAP NW CE in my landscape, I got this error message:
"Cannot connect to http://209.162.186.60/CurrencyConvertor.asmx?WSDL: Unable to connect to 209.162.186.60:80 - A remote host did not respond within the timeout period."
I wonder if this is caused by the firewall in my corporate network. If I need to use this Web service, how can I solve the problem?
Regards,
Joon Meng
Hi,
Apart from Firewall issue, to access internet from your corporate SAP development system you need to define http proxy setting like you do in browser to access internet.
Goto NWA->SOA Management->SOA Middleware Global Settings: HTTP Proxy (set you proxy here)
If it doesn't work then internet access from SAP systems are blocked.
Regards,
Gourav
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Hi,
This is obviously the corporate firewall which prevents you to connect to the public web service.
If one of your SAP corporate server had a direct access to the Internet that would be a very serious security breach in your company.
You may be able to use the corporate proxy to get access to the internet but it is not sure at all.
In my company, for example, the servers are forbidden to use the corporate proxy.
Each internet access needs a security project and specific security rules. There is no way to connect a SAP server to the internet for "just a test".
Regards,
Olivier
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Hi Olivier,
Thanks for the explanation.
so does it mean that there is no way to access a public Web service if no proxy is allowed too?
Is this the reason that I could not access Services Registry for ES Workplace in the Visual Composer on my CE server?
I received this message when opening the search dialog in Visual Composer:
"Could not receive classifications from UDDI server. Please change the UDDI server"
Regards,
Joon Meng
Hi,
>so does it mean that there is no way to access a public Web service if no proxy is allowed too?
>Is this the reason that I could not access Services Registry for ES Workplace in the Visual Composer on my CE server?
All of these issues depend of the specific network security policy from your company.
I can't guess it. So it means that you have to ask what is their security policy concerning SAP servers access to the Internet.
Are they allowed to use the corporate proxy ?
In my company and in most companies I know this is stricly forbidden.
Regards,
Olivier
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