not able to start elasticsearch after installing search guard plugin

[MADHUSUDAN D]

I am new to elasticsearch and safe guard. here i wanted to implement HTTPS for elasticsearch. i mean SSL/TLS communication between logstash and elasticsearch .

i tried to install safe-guard plugin 
steps followed :
1) cloned code from https://github.com/floragunncom/search-guard.git
2)built using command mvn package -DskipTests
3)installed plugin using following command 
" bin/plugin -u file:/root/madhu/elasticsearch-1.6.0/search-guard/target/releases/search-guard-0.6-SNAPSHOT.zip -i search-guard "

after that when i tried to run elasticsearch using bin/elasticsearch i got this

"{1.6.0}: Initialization Failed ...

• ExecutionError[java.lang.NoClassDefFoundError: org/elasticsearch/common/ContextHolder] NoClassDefFoundError[org/elasticsearch/common/ContextHolder] ClassNotFoundException[org.elasticsearch.common.ContextHolder] "

if i download zip 

** i get follwing message when i start elasticsearch

{1.6.0}: Initialization Failed ...

1) ElasticsearchException[You're trying to run elasticsearch as root or Windows Administrator and thats forbidden.]

please help me in this regard.

Thanks in advance.

[simon....@gmail.com]

You are trying to start ElasticSearch as an administrator of the server.
If you want to do so, make sure that in your elasticsearch.yml:

 searchguard.check_for_root: false

If you are planning on running your cluster in production you should create a separate account that will start the nodes. If elasticsearch may be compromised someone could run arbitrary code on your machine.

[SG]

1) for ES 1.6 you need to pull the es1.6 branch from here https://github.com/floragunncom/search-guard/tree/es1.6
2) don't start ES as root or windows admin (if you have to do so the see anwer from simon)

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