Cluster name identifies your cluster for auto-discovery. If you're running

# multiple clusters on the same network, make sure you're using unique names.
cluster.name: elastic
#################################### Node #####################################

# Node names are generated dynamically on startup, so you're relieved
# from configuring them manually. You can tie this node to a specific name:
#

node.name: "Franz Kafka"     

修改成这样之后  启动报错 

- SettingsException[Failed to load settings from [file:/D:/es_1/elasticsearch-1.
4.2/config/elasticsearch.yml]]
        IOException[Tabs are illegal in YAML.  Did you mean to use whitespace ch
aracter instead?]