# Java error **URL:** \ **Category:** Elasticsearch\ **Created:** [July 4, 2018, 6:31am UTC](https://discuss.elastic.co/t/java-error/138488 "2018-07-04T06:31:13Z")\ **Posts on this page:** 16\ **Page:** 1
**Author:** ![jrplus](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jrplus/32/41302_2.png) [@jrplus](https://discuss.elastic.co/u/jrplus)\ **Post date:** [July 4, 2018, 6:31am UTC](https://discuss.elastic.co/t/java-error/138488/1 "2018-07-04T06:31:13Z")
Ran into this while executing \bin\elasticsearch.bat, anyone encountered the same error?? > Picked up \_JAVA\_OPTIONS: -Xmx512M -Xms256M > \Java\jre1.8.0\_171\bin\java.exe" -cp "!ES\_CLASSPATH!" "org.elasticsearch.tools.launchers.JvmOptionsParser" "!ES\_JVM\_OPTIONS!" || echo jvm\_options\_parser\_failed"`) was unexpected at this time. ---
**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:** [July 4, 2018, 6:47am UTC](https://discuss.elastic.co/t/java-error/138488/2 "2018-07-04T06:47:53Z")
What OS, what Elasticsearch version? ---
**Author:** ![vincyclaret](https://avatars.discourse-cdn.com/v4/letter/v/dbc845/32.png) [@vincyclaret](https://discuss.elastic.co/u/vincyclaret)\ **Post date:** [July 4, 2018, 8:14am UTC](https://discuss.elastic.co/t/java-error/138488/3 "2018-07-04T08:14:14Z")
I am also facing the same issue. Windows 10 64-bit Elasticsearch 6.3.0 ---
**Author:** ![Davis\_Abraham](https://avatars.discourse-cdn.com/v4/letter/d/cdc98d/32.png) [@Davis\_Abraham](https://discuss.elastic.co/u/Davis_Abraham)\ **Post date:** [July 4, 2018, 8:28am UTC](https://discuss.elastic.co/t/java-error/138488/4 "2018-07-04T08:28:14Z")
Same error for me as well. ---
**Author:** ![jrplus](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jrplus/32/41302_2.png) [@jrplus](https://discuss.elastic.co/u/jrplus)\ **Post date:** [July 4, 2018, 8:33am UTC](https://discuss.elastic.co/t/java-error/138488/5 "2018-07-04T08:33:27Z")
now I am having this error. seriously why cant elastic stack make the installation way easier and allow users to not have to keep troubleshooting?? ``` Picked up _JAVA_OPTIONS: -Xmx512M -Xms256M Error: Could not find or load main class Picked Caused by: java.lang.ClassNotFoundException: Picked ``` ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [July 4, 2018, 8:51am UTC](https://discuss.elastic.co/t/java-error/138488/6 "2018-07-04T08:51:10Z")
How did you install elasticsearch? Did you follow this guide? [https://www.elastic.co/guide/en/elasticsearch/reference/current/windows.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/windows.html) ---
**Author:** ![jrplus](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jrplus/32/41302_2.png) [@jrplus](https://discuss.elastic.co/u/jrplus)\ **Post date:** [July 4, 2018, 8:57am UTC](https://discuss.elastic.co/t/java-error/138488/7 "2018-07-04T08:57:04Z")
yes i did ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [July 4, 2018, 9:11am UTC](https://discuss.elastic.co/t/java-error/138488/8 "2018-07-04T09:11:29Z")
How? CLI? GUI? Which step did not work exactly? ---
**Author:** ![jrplus](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jrplus/32/41302_2.png) [@jrplus](https://discuss.elastic.co/u/jrplus)\ **Post date:** [July 4, 2018, 9:15am UTC](https://discuss.elastic.co/t/java-error/138488/9 "2018-07-04T09:15:06Z")
every step worked until when i used \bin\>elasticsearch to run it and encounter the errors ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [July 4, 2018, 9:20am UTC](https://discuss.elastic.co/t/java-error/138488/10 "2018-07-04T09:20:19Z")
Again, how did you install it? ---
**Author:** ![jrplus](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jrplus/32/41302_2.png) [@jrplus](https://discuss.elastic.co/u/jrplus)\ **Post date:** [July 4, 2018, 9:25am UTC](https://discuss.elastic.co/t/java-error/138488/11 "2018-07-04T09:25:41Z")
i downloaded the file from [https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.0.msi](https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.0.msi) and then used the GUI with default values to install. in other words, i followed the guide. what more information you need? ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [July 4, 2018, 10:47am UTC](https://discuss.elastic.co/t/java-error/138488/12 "2018-07-04T10:47:50Z")
Thanks. This is helpful so we can investigate further. We will update this when we have more information. In the meantime you can may be download the zip version and run it manually? ---
**Author:** ![vincyclaret](https://avatars.discourse-cdn.com/v4/letter/v/dbc845/32.png) [@vincyclaret](https://discuss.elastic.co/u/vincyclaret)\ **Post date:** [July 4, 2018, 11:36am UTC](https://discuss.elastic.co/t/java-error/138488/13 "2018-07-04T11:36:47Z")
Started working for me after updating the Java version from 1.8.0\_161 to 1.8.0\_171. I tried by using zip version of Elasticsearch. ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [July 4, 2018, 12:32pm UTC](https://discuss.elastic.co/t/java-error/138488/14 "2018-07-04T12:32:14Z")
Very good to know. ---
**Author:** ![Snehal1510](https://avatars.discourse-cdn.com/v4/letter/s/5daacb/32.png) [@Snehal1510](https://discuss.elastic.co/u/Snehal1510)\ **Post date:** [July 25, 2018, 10:28am UTC](https://discuss.elastic.co/t/java-error/138488/15 "2018-07-25T10:28:17Z")
Hi were you able to resolve the error.I am also facing the same issue.Please let me know what did you do to get the error resolved. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [August 22, 2018, 10:28am UTC](https://discuss.elastic.co/t/java-error/138488/16 "2018-08-22T10:28:23Z")
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