Java package logging trouble

Elastic Stack Elasticsearch
1

I'm attempting to troubleshoot a problem and am trying to configure ES to limit its trace output.

I started with logger._root: "trace" and saw what I need to look at, but want to limit it to just those lines.

For instance:

[2019-06-12T22:44:06,459][TRACE][o.e.a.b.TransportShardBulkAction]

According to the "logging secrets" Elastic blog:

I should be able to limit the log output per Java package.
Github (https://github.com/elastic/elasticsearch/blob/master/server/src/main/java/org/elasticsearch/action/bulk/TransportShardBulkAction.java) shows the full path to be:

org.elasticsearch.action.bulk.TransportShardBulkAction

so, I tried the following:

PUT /_cluster/settings
{
  "transient": {
    "logger.action.bulk.TransportShardBulkAction": "trace"
  }
}

However, I saw no output. I also tried:

  • logger.action.bulk
  • logger.action
  • logger.org.elasticsearch.action.bulk.TransportShardBulkAction
  • logger.org.elasticsearch.action.bulk
  • logger.org.elasticsearch.action

The only time I could get ES to output that content however was if I used 'logger.org' or 'logger._root' which seem to produce identical output.

What am I missing? The case of "trace/TRACE" doesn't seem to matter. Are there some packages where one cannot adjust the granularity of the output, or is that 2015 blog article stale?

2

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