HSQLDB

The Crowd distribution (not EAR-WAR) is shipped with an embedded HSQLDB database. When you run the Crowd Setup Wizard, you will be asked to choose a database. If you choose the embedded database, the data files will be stored in the Crowd Home directory, as configured during installation.

Also see http://hsqldb.sourceforge.net/doc/guide/ch01.html#N101C2.

HSQLDB periodically must update its files to represent changes made in the database. In doing so, it must delete the current crowddb.data file on the file system (beneath the /database folder in your Crowd home directory) and replace it with a new one.

If an administrator issues a shutdown on Crowd while this update is happening, data can be lost and typically all configuration data for your Crowd server will be lost.

RELATED TOPICS

• Supported Platforms
  • Setting JAVA_HOME
• Installing Crowd and CrowdID
  • Connecting Crowd to a Database
  • Connecting CrowdID to a Database
  • Installing Crowd and CrowdID WAR Distribution
  • Specifying your Crowd Home Directory
• Running the Setup Wizard
  • Troubleshooting your Configuration on Setup
• Configuring Crowd
  • Important Directories and Files
  • Changing the Port that Crowd uses
  • Configuring Crowd to Work with SSL
  • Installing Crowd as a Windows Service
  • Setting Crowd to Start Automatically on Mac OS X
  • Setting Crowd to Run Automatically and Use an Unprivileged System User on UNIX