Briefly, this error occurs when Elasticsearch is trying to remove a custom metadata type that was previously added. This could be due to a change in the index settings or a cleanup process. To resolve this issue, you can either re-add the custom metadata type if it’s still needed, or ensure that no processes are trying to access this metadata after it’s been removed. Also, check your Elasticsearch version, as older versions may have issues with handling custom metadata. Lastly, ensure your index settings are correctly configured to avoid unnecessary removal of metadata.
This guide will help you check for common problems that cause the log ” [{}] removing custom meta data type [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: tribe.
Log Context
Log “[{}] removing custom meta data type [{}]” classname is TribeService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
if (mergedCustomMetaData == null) {
// we ignore merging custom md which doesn't implement MergableCustomMetaData interface
if (currentState.metaData().custom(changedCustomMetaDataType) instanceof MergableCustomMetaData) {
// custom md has been removed
clusterStateChanged = true;
logger.info("[{}] removing custom meta data type [{}]"; tribeName; changedCustomMetaDataType);
metaData.removeCustom(changedCustomMetaDataType);
}
} else {
// custom md has been changed
clusterStateChanged = true;
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