# IndexNotFoundException during reindexing

**URL:** <https://discuss.elastic.co/t/indexnotfoundexception-during-reindexing/285486>\
**Category:** Elasticsearch\
**Tags:** reindex\
**Created:** [September 29, 2021, 1:57pm UTC](https://discuss.elastic.co/t/indexnotfoundexception-during-reindexing/285486 "2021-09-29T13:57:54Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Junaid\_Usman](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/junaid_usman/32/45922_2.png) [@Junaid\_Usman](https://discuss.elastic.co/u/Junaid_Usman)\
**Post date:** [September 29, 2021, 1:57pm UTC](https://discuss.elastic.co/t/indexnotfoundexception-during-reindexing/285486/1 "2021-09-29T13:57:54Z")

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Hi All,

Recently we changed the Java JDK library from Oracle to RedHat default OpenJDK. Since this change, whenever I am trying to perform reindexing I am getting the IndexNotFoundException: no such index. Does anyone have any idea what could be the reason or do I need to change anything else in the Elasticsearch? Please find the logs [here](https://gist.github.com/R3dian/79665cd979b7cbc28a231822fc83e390).

I have looked into the Elasticsearch service and it is running fine. Also checked the indices and they do exist in the backend. Not sure why it is saying that the index was not found.

Any suggestions or ideas will be great. Thanks in advance.

Kind Regards,  
Junaid

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [September 29, 2021, 10:24pm UTC](https://discuss.elastic.co/t/indexnotfoundexception-during-reindexing/285486/2 "2021-09-29T22:24:45Z")

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What does your code look like?

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<div class="post-metadata">

**Author:** ![Junaid\_Usman](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/junaid_usman/32/45922_2.png) [@Junaid\_Usman](https://discuss.elastic.co/u/Junaid_Usman)\
**Post date:** [September 30, 2021, 7:22am UTC](https://discuss.elastic.co/t/indexnotfoundexception-during-reindexing/285486/3 "2021-09-30T07:22:49Z")

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Hi,

Basically, we are using the SugarCRM system and the Elasticsearch plugin is included in this product. Which code you are looking for?

Kind Regards,  
Junaid

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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:** [October 28, 2021, 7:22am UTC](https://discuss.elastic.co/t/indexnotfoundexception-during-reindexing/285486/4 "2021-10-28T07:22:57Z")

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