# Invalid keystore format error after xpack installed

**URL:** <https://discuss.elastic.co/t/invalid-keystore-format-error-after-xpack-installed/78800>\
**Category:** Elasticsearch\
**Created:** [March 16, 2017, 6:56am UTC](https://discuss.elastic.co/t/invalid-keystore-format-error-after-xpack-installed/78800 "2017-03-16T06:56:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![copywrite](https://avatars.discourse-cdn.com/v4/letter/c/f9ae1b/32.png) [@copywrite](https://discuss.elastic.co/u/copywrite)\
**Post date:** [March 16, 2017, 6:56am UTC](https://discuss.elastic.co/t/invalid-keystore-format-error-after-xpack-installed/78800/1 "2017-03-16T06:56:46Z")

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environment: macos  
es version: 5.2.2  
jdk: 1.8.0\_92

before xpack was installed, the elastic runs fine.

but after xpack installation, i get such error outputs:

[2017-03-16T14:53:18,593][WARN][o.e.b.ElasticsearchUncaughtExceptionHandler] [] uncaught exception in thread [main]  
org.elasticsearch.bootstrap.StartupException: ElasticsearchException[Failed to load plugin class [org.elasticsearch.xpack.XPackPlugin]]; nested: InvocationTargetException; nested: ElasticsearchException[failed to initialize a TrustManagerFactory]; nested: KeyStoreException[problem accessing trust storejava.io.IOException: Invalid keystore format];

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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:** [April 13, 2017, 6:56am UTC](https://discuss.elastic.co/t/invalid-keystore-format-error-after-xpack-installed/78800/2 "2017-04-13T06:56:59Z")

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