Getting org.apache.http.NoHttpResponseException when trying to access RH SSO

Solution Verified - Updated -

Issue

  • A service talks to Red Hat SSO using the RestEasy HTTP client.
    Issue is seen intermittently with I/O exception (org.apache.http.NoHttpResponseException) caught when
    processing request to {}->http://host:80: The target server failed to respond

  • Customer increased the TTL in the HTTP client being used by the service to communicate to Red Hat SSO.

  • Followed the KCS but still it is happening.

Environment

  • Red Hat Single Sign On
    • 7.x

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