Spectrum OC JAVA Client creates error "Unable to load resource" when connecting

Products

• CA Spectrum

Issue/Introduction

Customer is unable to launch the Java console. 

It fails with exception
com.sun.deploy.net.FailedDownloadException : Unable to load resource : https://spectrumserver/Spectrum/cryptoj.jnlp

And wrapped Exception as :
javax.net.ssl.SSLHandshakeException : Received Fatal alert : handshake_failure.

Cause

Outdated JAVA version.

Environment

Spectrum Release: 21.2
OneClick Console

Resolution

System was running on a outdated JAVA version.
Reinstalled JRE from OneClick Admin page -> Administration tab(Below screenshot if FYR). After the reinstallation it works fine.

Also check below points:

• Check that DNS connection is good.
• FQDN and Hostname are resolved correctly or not
• Check if able to launch OC webpage without any issues.

 

Additional Information

System Requirements for DX NetOps Spectrum:

https://techdocs.broadcom.com/us/en/ca-enterprise-software/it-operations-management/spectrum/21-2/installing-and-upgrading/fresh-install/system-requirements-for-installing-ca-spectrum/spectroserver-and-oneclick-requirements/system-requirements-for-windows.html