在运行mqtt进行连接ssl链接的时候提示下面的错误
139733539747584:error:2006D080:BIO routines:BIO_new_file:no such file:bss_file.c:178:
139733539747584:error:0B084002:x509 certificate routines:X509_load_cert_crl_file:system lib:by_file.c:253:
139733539747584:error:2006D080:BIO routines:BIO_new_file:no such file:bss_file.c:178:
139733539747584:error:0B084002:x509 certificate routines:X509_load_cert_crl_file:system lib:by_file.c:253: