When using jmeter on an ssl enabled site I was seeing an error
SSL handshake alert: unrecognized_name error
But I’d read that since jmeter version 2.4 ssl should work fine
It turns out that Java 7 introduced a feature (SNI support) and can trigger this error in some circumstances.
As workaround you can disable this feature by setting the property jsse.enableSNIExtension to false.
and run jmeter like