# Log stash parsing invalid json string issue

**URL:** https://discuss.elastic.co/t/log-stash-parsing-invalid-json-string-issue/370431
**Category:** Logstash
**Created:** [November 12, 2024, 7:21pm UTC](https://discuss.elastic.co/t/log-stash-parsing-invalid-json-string-issue/370431 "2024-11-12T19:21:21Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![Awais\_Jilani](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/awais_jilani/32/139166_2.png) [@Awais\_Jilani](https://discuss.elastic.co/u/Awais_Jilani)
#### Post date: [November 12, 2024, 7:21pm UTC](https://discuss.elastic.co/t/log-stash-parsing-invalid-json-string-issue/370431/1 "2024-11-12T19:21:22Z")

</div>

I am facing issue in logstash 7.6.1 while reading a mesages which is json but nested map is in json string which cause it invalid json and logstash gives json parsing error.  
I tried to remove that tag from message but its faile.

[ERROR][logstash.codecs.json][voucher\_data] JSON parse error, original data now in message field {:error=\>#\<LogStash::Json::ParserError: Unexpected character ('c' (code 99)): was expecting comma to separate Object entries  
at [Source: (String)"{ "transactionNumber":"20241112191234527010000001514", "version":"1", "eventType":"Report", "timestamp":"2024-11-12 19:12:35", "comments":"{"mode":"off"}", "resultMsg":"SUCCESS", "user":"awais",[truncated 613 chars]; line: 1, column: 205]\>

someone could help in it

---

<div class="post-metadata">

### Author: ![strawgate](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/strawgate/32/131008_2.png) [@strawgate](https://discuss.elastic.co/u/strawgate)
#### Post date: [November 28, 2024, 4:05pm UTC](https://discuss.elastic.co/t/log-stash-parsing-invalid-json-string-issue/370431/2 "2024-11-28T16:05:11Z")

</div>

Can you share an example of the json you are trying to parse?

A json string inside of another json string shouldn't be a problem unless there is an escaping issue