I am trying to install a plugin from the plugin manager and I did the installation by downloading a file and kept in the lib\ext folder and restarted the JMeter and I clicked on the option from the tools menu and clicked on the plugins manager it shows an error.
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target at sun.security.ssl.Alerts.getSSLException(Unknown Source)
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