PostgreSQL for CrowdID



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Follow the steps below to connect CrowdID to PostgreSQL.

1. Configure PostgreSQL

  1. Create a database user which CrowdID will connect as (for example, crowduser).
  2. Create a database for CrowdID to store data in (for example, crowdiddb). (warning) This must be a different database to the one used by Crowd.
  3. Ensure that the user has permission to connect to the database and to create and populate tables.

2. Configure your Application Server to Connect to PostgreSQL

  1. Edit the file apache-tomcat-X.X.XX/conf/Catalina/localhost/openidserver.xml and customize the username, password, driverClassName and url parameters for the datasource.

<Context path="/openidserver" docBase="../../crowd-openidserver-webapp" debug="0">

<Resource name="jdbc/CrowdIDDS" auth="Container" type="javax.sql.DataSource"

username="[enter db username here]"

password="[enter db password here]"


url="jdbc:postgresql://host:port/crowdiddb" [ see also ]"

[ delete the minEvictableIdleTimeMillis, timeBetweenEvictionRunsMillis and maxActive params here ] />

<Manager className="org.apache.catalina.session.PersistentManager" saveOnRestart="false"/>


2. Delete the minEvictableIdleTimeMillis, timeBetweenEvictionRunsMillis and maxActive attributes. (These are only needed for HSQL database, and degrade performance otherwise.)

3. Configure CrowdID to use PostgreSQL

  1. Edit the file located in the root of the Crowd distribution, and modify the hibernate.dialectto the following

  2. Run ./ or build.bat. This will configure Crowd to use the PostgreSQL dialect.

If you do not wish to edit this file and run the build script, you can edit the (which the above script modifies) directly. The file is located here: crowd-openidserver-webapp\WEB-INF\classes\ Modify the file to the following:

# - Crowd Configuration Options



4. 次のステップ

You should now have an application server configured to connect to a database, and CrowdID configured to use the correct database. Start up CrowdID and watch the logs for any errors.


最終更新日 2024 年 4 月 15 日


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