# Standalone-App initialization error

**URL:** <https://talk.openmrs.org/t/standalone-app-initialization-error/31129>\
**Category:** Development\
**Created:** [November 25, 2020, 5:43pm UTC](https://talk.openmrs.org/t/standalone-app-initialization-error/31129 "2020-11-25T17:43:00Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![kdaud](https://talk.openmrs.org/user_avatar/talk.openmrs.org/kdaud/32/13346_2.png) [@kdaud](https://talk.openmrs.org/u/kdaud)\
**Post date:** [November 25, 2020, 5:43pm UTC](https://talk.openmrs.org/t/standalone-app-initialization-error/31129/1 "2020-11-25T17:43:01Z")

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Am having trouble in starting `Standalone Reference Application-2.10.0` on Linux os. Have followed [this](https://wiki.openmrs.org/display/docs/OpenMRS+2.x+Standalone+Installation+instructions+-+For+Dummies+version) documentation but this [error](https://pastebin.com/FFJ2tJer) is thrown on the initialization process.

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**Author:** ![herbert24](https://talk.openmrs.org/user_avatar/talk.openmrs.org/herbert24/32/8178_2.png) [@herbert24](https://talk.openmrs.org/u/herbert24)\
**Post date:** [November 26, 2020, 5:19am UTC](https://talk.openmrs.org/t/standalone-app-initialization-error/31129/2 "2020-11-26T05:19:53Z")

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are you using java 8,if not try it and run again

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**Author:** ![kdaud](https://talk.openmrs.org/user_avatar/talk.openmrs.org/kdaud/32/13346_2.png) [@kdaud](https://talk.openmrs.org/u/kdaud)\
**Post date:** [November 26, 2020, 5:22am UTC](https://talk.openmrs.org/t/standalone-app-initialization-error/31129/3 "2020-11-26T05:22:58Z")

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java -version yields   
`openjdk version “1.8.0_272”
OpenJDK Runtime Environment (build 1.8.0_272-8u272-b10-0ubuntu1~18.04-b10)
OpenJDK 64-Bit Server VM (build 25.272-b10, mixed mode)`

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**Author:** ![herbert24](https://talk.openmrs.org/user_avatar/talk.openmrs.org/herbert24/32/8178_2.png) [@herbert24](https://talk.openmrs.org/u/herbert24)\
**Post date:** [November 26, 2020, 5:27am UTC](https://talk.openmrs.org/t/standalone-app-initialization-error/31129/4 "2020-11-26T05:27:07Z")

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what does this command bring sudo sed -i -e ‘/^assistive\_technologies=/s/^/#/’ /etc/java-\*-openjdk/accessibility.properties

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**Author:** ![kdaud](https://talk.openmrs.org/user_avatar/talk.openmrs.org/kdaud/32/13346_2.png) [@kdaud](https://talk.openmrs.org/u/kdaud)\
**Post date:** [November 26, 2020, 5:29am UTC](https://talk.openmrs.org/t/standalone-app-initialization-error/31129/5 "2020-11-26T05:29:09Z")

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> [@herbert24](#):
>
> sudo sed -i -e ‘/^assistive\_technologies=/s/^/#/’ /etc/java-\*-openjdk/accessibility.properties

sed: -e expression #1, char 1: unknown command: `�’

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**Author:** ![herbert24](https://talk.openmrs.org/user_avatar/talk.openmrs.org/herbert24/32/8178_2.png) [@herbert24](https://talk.openmrs.org/u/herbert24)\
**Post date:** [November 26, 2020, 5:34am UTC](https://talk.openmrs.org/t/standalone-app-initialization-error/31129/6 "2020-11-26T05:34:39Z")

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try these two

1. sudo apt-get remove openjdk-8-jre-headless

2. sudo apt-get install openjdk-8-jre