# Error while running logstash in Win7

**URL:** <https://discuss.elastic.co/t/error-while-running-logstash-in-win7/68508>\
**Category:** Logstash\
**Created:** [December 9, 2016, 4:10am UTC](https://discuss.elastic.co/t/error-while-running-logstash-in-win7/68508 "2016-12-09T04:10:14Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![dnafication](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dnafication/32/13764_2.png) [@dnafication](https://discuss.elastic.co/u/dnafication)\
**Post date:** [December 9, 2016, 4:10am UTC](https://discuss.elastic.co/t/error-while-running-logstash-in-win7/68508/1 "2016-12-09T04:10:14Z")

</div>

Getting the following error while running logstash:

```
C:\logstash-5.0.2\bin>java -version
java version "1.8.0_101"
Java(TM) SE Runtime Environment (build 1.8.0_101-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.101-b13, mixed mode)

C:\logstash-5.0.2\bin>logstash.bat
LoadError: JRuby ext built for wrong Java version in `JrubyEventExtService': java.lang.UnsupportedClassVersionError: JrubyEventExtService : Unsupporte
d major.minor version 52.0
  require at org/jruby/RubyKernel.java:1040
   (root) at C:/logstash-5.0.2/logstash-core-event-java/lib/logstash-core-event-java/logstash-core-event-java.rb:25
  require at org/jruby/RubyKernel.java:1040
   (root) at C:/logstash-5.0.2/logstash-core-event-java/lib/logstash-core-event.rb:1
  require at org/jruby/RubyKernel.java:1040
   (root) at C:/logstash-5.0.2/logstash-core-event-java/lib/logstash-core-event.rb:1
  require at org/jruby/RubyKernel.java:1040
   (root) at C:/logstash-5.0.2/logstash-core-event-java/lib/logstash/event.rb:1
  require at org/jruby/RubyKernel.java:1040
   (root) at C:/logstash-5.0.2/logstash-core-event-java/lib/logstash/event.rb:54
  require at org/jruby/RubyKernel.java:1040
   (root) at C:/logstash-5.0.2/logstash-core/lib/logstash/instrument/snapshot.rb:1
  require at org/jruby/RubyKernel.java:1040
   (root) at C:/logstash-5.0.2/logstash-core/lib/logstash/instrument/snapshot.rb:3
  require at org/jruby/RubyKernel.java:1040
   (root) at C:\logstash-5.0.2\lib\bootstrap\environment.rb:67

C:\logstash-5.0.2\bin>

```

What am I doing wrong?

---

<div class="post-metadata">

**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:** [December 9, 2016, 6:16am UTC](https://discuss.elastic.co/t/error-while-running-logstash-in-win7/68508/2 "2016-12-09T06:16:09Z")

</div>

We don't support Windows 7 unfortunately - [https://www.elastic.co/support/matrix](https://www.elastic.co/support/matrix)

---

<div class="post-metadata">

**Author:** ![dnafication](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dnafication/32/13764_2.png) [@dnafication](https://discuss.elastic.co/u/dnafication)\
**Post date:** [December 11, 2016, 10:34pm UTC](https://discuss.elastic.co/t/error-while-running-logstash-in-win7/68508/3 "2016-12-11T22:34:25Z")

</div>

Thanks. Alas!

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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:** [January 8, 2017, 10:34pm UTC](https://discuss.elastic.co/t/error-while-running-logstash-in-win7/68508/4 "2017-01-08T22:34:42Z")

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