Issues with elasticsearch installation and configuration on windows


ElasticSearch is a widely popular DB used for full text based search. The ELK stack which consists of Elastic, Kibana and Logstash is also hugely popular as a tool set to collect logs and metric and display via dashboards.

Installing and configuring elastic (on Windows) can be painful sometimes.

Thjs post is meant to document some of the issues that I faced and how they were resolved. This post will be kept updated as and when I come across different issues.

Issue # 1:
X-Pack is not supported and Machine Learning is not available for [windows-x86]

Most installation guides including elastic's own tell us to start elastic using the batch file provided in the distribution. The command goes something like this.

It looks like it starts loading and at some point there is this error thrown and elastic quits. The error is X-Pack is not supported and Machine Learning is not available for [windows-x86].

If this is the case, open up the configuration file in configs/elasticsearch.yml. Most of the lines here are commented out by default, let it be. Add the following line at the end.

Try starting elasticsearch using the same batch file as earlier, this time it should work.

Now, I did not want to run ml x-pack feature. However, if you want to be able to run, then the most likely cause is that you have a 32 bit JVM. Install a 64 bit one and then attempt to run, it should run without disabling any x-pack feature.
Once the 64 bit Java is installed, the environment variable  should be edited and the path changed to point to the new 64 bit installation.



References:
https://discuss.elastic.co/t/x-pack-is-not-supported-and-machine-learning-is-not-available-for-windows-x86/85084
https://stackoverflow.com/questions/53652662/x-pack-is-not-supported-and-machine-learning-is-not-available-for-windows-x86




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