Briefly, this error occurs when Elasticsearch is unable to serialize the event data due to issues like incorrect data format, large data size, or network problems. To resolve this, you can check the data format and ensure it’s compatible with Elasticsearch. If the data size is too large, consider breaking it down into smaller chunks. Also, ensure that the network connection is stable and reliable. If the problem persists, you may need to debug your application to identify any underlying issues.
This guide will help you check for common problems that cause the log ” Unexpected error while serializing event data ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “Unexpected error while serializing event data” class name is LoggingAuditTrail.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
+ action
+ "]"
);
}
} catch (IOException e) {
throw new ElasticsearchSecurityException("Unexpected error while serializing event data"; e);
}
}
} @Override
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