ElasticSearch Index Name Must be Lowercase
After beating my head against the wall for a ridiculous amount of time, I still hadn't gotten a new logstash instance to put data into ElasticSearch. I had run the ELK stack before -- I was merely trying to use a new machine for the logstash instance and elasticsearch node. After awhile it dawned on me that I should go check the ElasticSearch log. This is what I found, one entry for each time I fired up logstash: [2014-12-01 10:35:27,478][DEBUG][action.admin.indices.create] [xended0590] [STAR20-2014.12.01] failed to create org.elasticsearch.indices.InvalidIndexNameException: [STAR20-2014.12.01] Invalid index name [STAR20-2014.12.01], must be lowercase at org.elasticsearch.cluster.metadata.MetaDataCreateIndexService.validateIndexName(MetaDataCreateIndexService.java:182) at org.elasticsearch.cluster.metadata.MetaDataCreateIndexService.validate(MetaDataCreateIndexService.java:558) at org.elasticsearch.cluster.metadata.MetaDataCreateIndexService.access$200(MetaDataCreateInde...