# Failed to execute bulk item (index) BulkS hardRequest - due to Invalid UTF-8 middle byte exception

**URL:** https://discuss.elastic.co/t/failed-to-execute-bulk-item-index-bulks-hardrequest-due-to-invalid-utf-8-middle-byte-exception/167238
**Category:** Elasticsearch
**Created:** [February 6, 2019, 8:04am UTC](https://discuss.elastic.co/t/failed-to-execute-bulk-item-index-bulks-hardrequest-due-to-invalid-utf-8-middle-byte-exception/167238 "2019-02-06T08:04:24Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![shikhar\_singh](https://avatars.discourse-cdn.com/v4/letter/s/e68b1a/32.png) [@shikhar\_singh](https://discuss.elastic.co/u/shikhar_singh)
#### Post date: [February 6, 2019, 8:04am UTC](https://discuss.elastic.co/t/failed-to-execute-bulk-item-index-bulks-hardrequest-due-to-invalid-utf-8-middle-byte-exception/167238/1 "2019-02-06T08:04:24Z")

</div>

My ES logs are filled with many such exceptions

```
Caused by: com.fasterxml.jackson.core.JsonParseException: Invalid UTF-8 middle byte 0x3c
 at [Source: org.elasticsearch.common.bytes.BytesReference$MarkSupportingStreamInputWrapper@7204b4bf; line: 1, column: 38]
        at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1702) ~[jackson-core-2.8.10.jar:2.8.10]
        at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:558) ~[jackson-core-2.8.10.jar:2.8.10]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._reportInvalidOther(UTF8StreamJsonParser.java:3550) ~[jackson-core-2.8.10.j ar:2.8.10]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._reportInvalidOther(UTF8StreamJsonParser.java:3557) ~[jackson-core-2.8.10.j ar:2.8.10]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._decodeUtf8_2(UTF8StreamJsonParser.java:3327) ~[jackson-core-2.8.10.jar:2.8 .10]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._finishString2(UTF8StreamJsonParser.java:2517) ~[jackson-core-2.8.10.jar:2. 8.10]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser._finishAndReturnString(UTF8StreamJsonParser.java:2469) ~[jackson-core-2.8.1 0.jar:2.8.10]
        at com.fasterxml.jackson.core.json.UTF8StreamJsonParser.getText(UTF8StreamJsonParser.java:315) ~[jackson-core-2.8.10.jar:2.8.10]
        at org.elasticsearch.common.xcontent.json.JsonXContentParser.text(JsonXContentParser.java:84) ~[elasticsearch-x-content-6.3.2.jar:6 .3.2]
        at org.elasticsearch.common.xcontent.support.AbstractXContentParser.textOrNull(AbstractXContentParser.java:269) ~[elasticsearch-x-c ontent-6.3.2.jar:6.3.2]
        at org.elasticsearch.index.mapper.TextFieldMapper.parseCreateField(TextFieldMapper.java:564) ~[elasticsearch-6.3.2.jar:6.3.2]
        at org.elasticsearch.index.mapper.FieldMapper.parse(FieldMapper.java:297) ~[elasticsearch-6.3.2.jar:6.3.2]
        ... 44 more
```

---

<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [March 6, 2019, 8:05am UTC](https://discuss.elastic.co/t/failed-to-execute-bulk-item-index-bulks-hardrequest-due-to-invalid-utf-8-middle-byte-exception/167238/2 "2019-03-06T08:05:40Z")

</div>

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