# Interpretation of Stacktrace, What does this error mean?

**URL:** <https://discuss.elastic.co/t/interpretation-of-stacktrace-what-does-this-error-mean/21318>\
**Category:** Elasticsearch\
**Created:** [December 18, 2014, 5:08pm UTC](https://discuss.elastic.co/t/interpretation-of-stacktrace-what-does-this-error-mean/21318 "2014-12-18T17:08:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Roland\_Kofler](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/roland_kofler/32/1037_2.png) [@Roland\_Kofler](https://discuss.elastic.co/u/Roland_Kofler)\
**Post date:** [December 18, 2014, 5:08pm UTC](https://discuss.elastic.co/t/interpretation-of-stacktrace-what-does-this-error-mean/21318/1 "2014-12-18T17:08:50Z")

</div>

After I insert a document into es, via spring data, i believe an indexing  
phase is started called 'Dfs' (correct?) where a "query\_binary" sort of a  
Hash is retrieved.

this fails

Failed to parse source  
[{"from":0,"size":10,"query\_binary":"eyAnZm9vZHN0dWZmc0lkJyA6IDFmODMwZDk1LTQ0OTctNGFmZC1hNDVlLWE4MzQwYjg2ZTI2YiwgJ2xhYmVsTmFtZUlkJyA6IG51bGwgfQ=="}]]]

nested: JsonParseException[Unexpected character (''' (code 39)): was  
expecting either valid name character (for unquoted name) or double-quote  
(for quoted) to start field name

certainly I have no such ' single quote in this query or in the json  
document:

{  
"\_index" : "foodstuff-lookup",  
"\_type" : "foodstuffslookup",  
"\_id" : "cae2d185-4795-4120-bb85-ebc5d1d5431a",  
"\_score" : 1.0,

"\_source":{"id":"cae2d185-4795-4120-bb85-ebc5d1d5431a","lang":"it","displayName":null,"searchTerm":null,"preferrerd":[],"foodstuffsId":"1f830d95-4497-4afd-a45e-a8340b86e26b","labelNameId":null,"active":false,"stub":false,"intermediate":false,"additive":false,"alias":false}  
} ]  
}

so what is a possible interpretation of this error?

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---

<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:** [July 6, 2017, 12:42am UTC](https://discuss.elastic.co/t/interpretation-of-stacktrace-what-does-this-error-mean/21318/2 "2017-07-06T00:42:50Z")

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Closed on July 6, 2017, 12:42am UTC