# ShieldPlugIn.class Missing from Shield 2.4.2

**URL:** <https://discuss.elastic.co/t/shieldplugin-class-missing-from-shield-2-4-2/67502>\
**Category:** Elasticsearch\
**Created:** [November 29, 2016, 3:02pm UTC](https://discuss.elastic.co/t/shieldplugin-class-missing-from-shield-2-4-2/67502 "2016-11-29T15:02:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![juminoz](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/juminoz/32/13110_2.png) [@juminoz](https://discuss.elastic.co/u/juminoz)\
**Post date:** [November 29, 2016, 3:02pm UTC](https://discuss.elastic.co/t/shieldplugin-class-missing-from-shield-2-4-2/67502/1 "2016-11-29T15:02:00Z")

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I'm upgrading the Elastic Cluster to 5.0.1, which doesn't work with Shield 2.4.1.

```
Exception in thread "main" java.lang.VerifyError: class org.elasticsearch.shield.ShieldPlugin overrides final method onModule.(Lorg/elasticsearch/action/ActionModule;)

```

Because of that, I'm trying to upgrade it to Shield 2.4.2, but then I'm facing an issue with missing ShieldPlugin.class. Is there a replacement class that is not documented?

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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:** [December 2, 2016, 3:02pm UTC](https://discuss.elastic.co/t/shieldplugin-class-missing-from-shield-2-4-2/67502/2 "2016-12-02T15:02:49Z")

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