Delete all elasticsearch indices directly without curl

Question

I am starting elasticsearch, and getting the error:

java.lang.IllegalStateException: unable to upgrade the mappings for the index [[documents/xOOEXQB-RzGhQp7o7NN         


        

Answer 1

You probably have some remaining indices that are incompatible with your newest ES version, most certainly you were on ES 1.x before.

You can simply delete anything under the $ES_HOME/data/* folder. Since you installed ES via brew, ES_HOME is usually located at /usr/local/Cellar/elasticsearch