# JSON schema validation broken after 5.9.0

**URL:** <https://forum.katalon.com/t/json-schema-validation-broken-after-5-9-0/23457>\
**Category:** Bug Report\
**Tags:** bugs-report, katalon-studio\
**Created:** [April 18, 2019, 1:17pm UTC](https://forum.katalon.com/t/json-schema-validation-broken-after-5-9-0/23457 "2019-04-18T13:17:50Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![system](https://europe1.discourse-cdn.com/katalon/original/3X/d/5/d55596ab02785a255798e87ede769734747b30c4.svg) [@system](https://forum.katalon.com/u/system)\
**Post date:** [May 16, 2020, 10:26am UTC](https://forum.katalon.com/t/json-schema-validation-broken-after-5-9-0/23457/23 "2020-05-16T10:26:51Z")

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This topic was automatically closed 365 days after the last reply. New replies are no longer allowed.

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**Author:** ![kazurayam](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/kazurayam/32/333_2.png) [@kazurayam](https://forum.katalon.com/u/kazurayam)\
**Post date:** [October 2, 2021, 8:24am UTC](https://forum.katalon.com/t/json-schema-validation-broken-after-5-9-0/23457/24 "2021-10-02T08:24:15Z")

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> [@Ibus](#):
>
> any idea how can we convince katalon to compile/import at the TestCase runtime the right library from the project and not the one from Kata

Several months ago, Katalon Studio v7.8 introduced a feature “Exclude built-in libraries”

[https://docs.katalon.com/katalon-studio/docs/external-libraries.html#exclude-built-in-libraries](https://docs.katalon.com/katalon-studio/docs/external-libraries.html#exclude-built-in-libraries)

You may have a chance to exclude the older version of org.json\*.jar and include a newer version of org.json\*.jar.

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