Briefly, this error occurs when Elasticsearch encounters a type name that has already been loaded or defined. This could be due to a duplicate type name in the mappings or a conflict in the type names across different indices. To resolve this issue, you can either rename the duplicate type name or delete and recreate the index with a unique type name. Additionally, ensure that the type names across different indices do not conflict.
This guide will help you check for common problems that cause the log ” loaded ” + type + ” [” + name + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugins.
Log Context
Log “loaded ” + type + ” [” + name + “]” classname is PluginsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
assert pluginDescriptors != null;
if (pluginDescriptors.isEmpty()) {
logger.info("no " + type + "s loaded");
} else {
for (final String name : pluginDescriptors.stream().map(PluginDescriptor::getName).sorted().toList()) {
logger.info("loaded " + type + " [" + name + "]");
}
}
}
private static List getRuntimeInfos(
