Request method 'HEAD' not supported

Document ID : KB000116742
Last Modified Date : 02/10/2018
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Issue:
The CA Identity Portal server.log file reports the following error:

ERROR [com.idmlogic.sigma.workers.utils.ExceptionsHelper] (http-/0.0.0.0:8080-10) : org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'HEAD' not supported.

What is the origin of this error.

 
Environment:
CA Identity Manager Suite/ Identity Portal 14.2
Cause:
The HEAD requests were not coming from CA code
Resolution:
The CA Identity Portal code does not generate HEAD requests.  

HEAD requests are primarily used for checking the validity of URLs as only the http headers are returned (body is not included).

We recommend checking external applications that interact with the Identity Portal environment, for example an external load Balancer.