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# OpenCell migration or version upgrade process
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To update the version of your OC instance we do the next process:
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1. Look in the Release Notes the OC team instructions. Ex. https://opencell.assembla.com/spaces/meveo-enterprise/wiki/Opencell_7_Release_note
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2. Search the version you want to install
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3. Look if exist any migration SQL script.
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- If exists, add it to the volumes attached to the `postgres-wildfly` container in the `docker-entrypoint-initdb.d` folder to execute the script in the container startup:
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```
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- /home/opencell/input-files/migration-to-X.sql:/docker-entrypoint-initdb.d/migration-to-X.sql
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```
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- Restart de db container.
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- Remove the volume of the db migration
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4. Update the code of OpenCell and restart it.
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- Download the `war` file of the version needed.
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- Replace the `war` file used (in `input-files`) by the new `war` file.
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- Restart the OC container.
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> If you don't use the ElasticSearch engine to search, you need to disable it. Set the var `elasticsearch.restUri` equal to none in `opencell-admin.properties`:
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```
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elasticsearch.restUri=
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``` |
