Briefly, this error occurs when Elasticsearch fails to update the lifecycle metadata with a new mode. This could be due to insufficient permissions, a non-existent lifecycle policy, or a network issue. To resolve this, ensure that the user has the necessary permissions to update the lifecycle metadata. Also, verify that the lifecycle policy exists and is correctly configured. If the issue persists, check the network connectivity between the Elasticsearch nodes.
This guide will help you check for common problems that cause the log ” unable to update lifecycle metadata with new mode [” + mode + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: metadata, plugin.
Overview
Metadata in Elasticsearch refers to additional information stored for each document. This is achieved using the specific metadata fields available in Elasticsearch. The default behavior of some of these metadata fields can be customized during mapping creation.
Examples
Using _meta meta-field for storing application-specific information with the mapping:
PUT /my_index?pretty
{
"mappings": {
"_meta": {
"domain": "security",
"release_information": {
"date": "18-01-2020",
"version": "7.5"
}
}
}
}Notes
- In version 2.x, Elasticsearch had a total 13 meta fields available, which are: _index, _uid, _type, _id, _source, _size, _all, _field_names, _timestamp, _ttl, _parent, _routing, _meta
- In version 5.x, _timestamp and _ttl meta fields were removed.
- In version 6.x, the _parent meta field was removed.
- In version 7.x, _uid and _all meta fields were removed.
Log Context
Log “unable to update lifecycle metadata with new mode [” + mode + “]” classname is OperationModeUpdateTask.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
.build();
}
@Override
public void onFailure(String source; Exception e) {
logger.error("unable to update lifecycle metadata with new mode [" + mode + "]"; e);
}
}
