# Method threw 'java.lang.NoClassDefFoundError' exception. Cannot evaluate org.elasticsearch.search.builder.SearchSourceBuilder.toString()

**URL:** <https://discuss.elastic.co/t/method-threw-java-lang-noclassdeffounderror-exception-cannot-evaluate-org-elasticsearch-search-builder-searchsourcebuilder-tostring/235956>\
**Category:** Elasticsearch\
**Created:** [June 5, 2020, 1:19pm UTC](https://discuss.elastic.co/t/method-threw-java-lang-noclassdeffounderror-exception-cannot-evaluate-org-elasticsearch-search-builder-searchsourcebuilder-tostring/235956 "2020-06-05T13:19:43Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ManojKumar\_Julakanti](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/manojkumar_julakanti/32/45030_2.png) [@ManojKumar\_Julakanti](https://discuss.elastic.co/u/ManojKumar_Julakanti)\
**Post date:** [June 5, 2020, 1:19pm UTC](https://discuss.elastic.co/t/method-threw-java-lang-noclassdeffounderror-exception-cannot-evaluate-org-elasticsearch-search-builder-searchsourcebuilder-tostring/235956/1 "2020-06-05T13:19:44Z")

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I couldn't instantiate SearchSourceBuilder  
my elastic-search version is 7.6.0  
I am using rest high level client

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [June 5, 2020, 1:32pm UTC](https://discuss.elastic.co/t/method-threw-java-lang-noclassdeffounderror-exception-cannot-evaluate-org-elasticsearch-search-builder-searchsourcebuilder-tostring/235956/2 "2020-06-05T13:32:08Z")

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Welcome!

I think you need to share a bit more.  
Like your code, a project on github that reproduces the problem...

I have no problem on my side here:

> <https://github.com/dadoonet/elasticsearch-java-client-demo/blob/master/src/test/java/fr/pilato/test/elasticsearch/hlclient/EsClientTest.java#L182-L186>

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 3, 2020, 1:32pm UTC](https://discuss.elastic.co/t/method-threw-java-lang-noclassdeffounderror-exception-cannot-evaluate-org-elasticsearch-search-builder-searchsourcebuilder-tostring/235956/3 "2020-07-03T13:32:19Z")

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