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NIFI-9077 [nifi-registry docs] H2 database password change manual #5328

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NIFI-9077 [nifi-registry docs] H2 database password change manual #5328

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22 changes: 22 additions & 0 deletions ...fi-registry-core/nifi-registry-docs/src/main/asciidoc/administration-guide.adoc
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Expand Up @@ -1147,6 +1147,28 @@ For NiFi Registry 0.2.0 and forward, the location of the H2 database is specifie

`nifi.registry.db.url=jdbc:h2:./database/nifi-registry-primary;`

==== Changing password in existing H2 database

1. Download H2 driver from official repository https://www.h2database.com/html/download.html and place it somewhere accessible to NiFi Registry user

2. Run H2 database shell

java -cp h2*.jar org.h2.tools.Shell

3. Connect to database

Welcome to H2 Shell 1.4.200 (2019-10-14)
Exit with Ctrl+C
URL jdbc:h2:./database/nifi-registry-primary
Driver org.h2.Driver
User nifireg
Password
Connected

4. Change password

ALTER USER nifireg SET PASSWORD 'NEW_PASSWORD';

=== Postgres

Postgres provides the option to use an externally located database that also supports high availability.
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