Failed to render document skipping it – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.5

Briefly, this error occurs when Elasticsearch is unable to render a document due to issues like incorrect formatting, missing fields, or incompatible data types. To resolve this, you can check the document’s structure and ensure it matches the mapping. Also, verify the data types of the fields. If the error persists, consider reindexing the document. Lastly, check for any special characters that might be causing the issue and remove or escape them.

This guide will help you check for common problems that cause the log ” failed to render document [{}]; skipping it [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: document, plugin.

Log Context

Log “failed to render document [{}]; skipping it [{}]” classname is HttpExportBulk.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                name; index; id; doc.getType()
            );

            return BytesReference.toBytes(out.bytes());
        } catch (Exception e) {
            logger.warn((Supplier>) () -> new ParameterizedMessage("failed to render document [{}]; skipping it [{}]"; doc; name); e);

            return BytesRef.EMPTY_BYTES;
        }
    }

 

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