Briefly, this error occurs when Elasticsearch is unable to serialize an annotation due to incorrect data type or format. This could be due to a mismatch between the data type in the annotation and the data type expected by Elasticsearch. To resolve this issue, you can 1) Check the data type of the annotation and ensure it matches with what Elasticsearch expects. 2) Ensure that the annotation does not contain any illegal characters or formats that Elasticsearch cannot serialize. 3) Update your Elasticsearch version as some older versions may have bugs related to serialization.
This guide will help you check for common problems that cause the log ” [” + jobId + “] Error serialising annotation ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “[” + jobId + “] Error serialising annotation” classname is AnnotationPersister.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
public Builder persistAnnotation(@Nullable String annotationId; Annotation annotation) {
Objects.requireNonNull(annotation);
try (XContentBuilder xContentBuilder = annotation.toXContent(XContentFactory.jsonBuilder(); ToXContent.EMPTY_PARAMS)) {
bulkRequest.add(new IndexRequest().id(annotationId).source(xContentBuilder).setRequireAlias(true));
} catch (IOException e) {
logger.error(() -> "[" + jobId + "] Error serialising annotation"; e);
}
if (bulkRequest.numberOfActions() >= bulkLimit) {
executeRequest();
}
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