Elasticsearch start issue

Hi Friends,
I was using elasticsearch.0.90.8. Now I have downloaded
elasticsearch.1.5.1.deb. But when i was trying to start elastic i got
following error:
$ sudo service elasticsearch start

  • Starting Elasticsearch Server
    ...fail!
    ...fail!
    ...fail!
    ...fail!
    ...fail!
    ...fail!

I didn't got any log information in /var/log/elasticsearch.
Can any buddy tell me. Where i was going wrong?

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