Problem Authentification / Webservices

We've implemented a webservice (Version 6.0 / REST).

If we now integrate a webservice that asks for username and password we get the following error message as soon as we launch the webservice:

Service call failed.

Stack Trace shows:

ERROR:
Service call failed.

STACK TRACE:
chemaxon.marvin.services.ServiceException: java.io.IOException: Server returned HTTP response code: 401 for URL: ______________________
 at chemaxon.marvin.services.httpservice.HTTPServiceHandler.callService(HTTPServiceHandler.java:113)
 at chemaxon.marvin.services.httpservice.HTTPServiceHandler.callService(HTTPServiceHandler.java:25)
 at chemaxon.marvin.services.ServiceHandler$1.run(ServiceHandler.java:28)
 at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
 at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: Server returned HTTP response code: 401 for URL: _____________
 at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
 at chemaxon.marvin.services.httpservice.HTTPServiceHandler.callService(HTTPServiceHandler.java:104)
 ... 5 more

What is the reason / how can we go on?

Thanks Edith

Hi Edith,

Marvin Services not handles authentication by default. Depending on the type of the authentication you can

• include username/password in url (not recommended, but useful for testing) - for basic http auth


• create a "wrapper service" that handles authentication procedure, and uses the Marvin Services API to call the service needs authentication


• experiment with http-auth and create your own Authenticator instance

I would recommend the third option if possible, and *not* recommend the first one in production environment - since passwords are easily readable to anyone in that case. If the authentication is specific, then the second option has all the flexibility you may need - however it requires some extra work.

Cheers,

Istvan Rabel

great - thanks for the answer-  the colleague will contact you directly to follow up some details