Cannot connect using certificate or .pem file in SSL

[aki83reo]

###################################GENERAL APPROACH I TRIED TO CONNECT AT FIRST #########
input {
mongodb {
uri => 'mongodb://localhost:27017/mydb'
placeholder_db_dir => '/opt/logstash-mongodb'
placeholder_db_name => 'logstash_sqlite.db'
collection => 'transactions'
parse_method => "dig"
unpack_mongo_id => true
batch_size => 5000
}

  }

output {
elasticsearch {
hosts => "http://localhost:9200/"
index => "trans"
document_type => "tran1"
document_id => "%{[_id]}"
}
stdout {codec => rubydebug}

##################################Mongo : NoServerAvailable ......#################

###############i tried to introduce "beats" to include my port and cert file data's , but failed , below is my trial , if admin could look at this issue ...

input {
beats{
port=>27017
ssl=>true
ssl_certificate_authorities => ["F:/es_mdb_kbn/my.crt"]
ssl_certificate => "F:/es_mdb_kbn/my.ca-bundle"
ssl_key => "F:/Python27/mongodb.pem"
ssl_verify_mode => "force_peer"
}
mongodb {
uri => 'mongodb://uname:[email protected]:27017/my_db'
placeholder_db_dir => '/opt/logstash-mongodb'
placeholder_db_name => 'logstash_sqlite.db'
collection => 'transactions'
parse_method => "dig"
unpack_mongo_id => true
batch_size => 5000
}

  }

output {
elasticsearch {
hosts => "http://localhost:9200/"
index => "trans"
document_type => "tran1"
document_id => "%{[_id]}"
}
stdout {codec => rubydebug}