Siren Platform User Guide

Configuring logger

It is recommended to change the default Elasticsearch’s log configuration logger.action.level from debug to warn in order to avoid spurious log messages whenever a search request is canceled.

JDBC drivers

JDBC driver jars for remote datasources and their dependencies (if any) must be copied to the plugin directory alongside other jars; once the jars have been copied, restart the node and ensure that the node starts correctly.

If the node fails to start because of a JAR Hell exception, remove the driver and its dependencies and restart the node.

Impala JDBC connector

The following jars should not be copied as they are already present in the default Elasticsearch path:

  • commons-logging