The Application Data Directory is the folder that OpenMRS uses for external storage of data. Typically, this will include things like OpenMRS modules, Lucene indexes, OpenMRS's runtime configuration properties and any attachments. Other files might be added here depending on which modules you have installed.
Default location
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Location
If you are using Tomcat, this the application data directory will be a directory relative to your CATALINA_HOME environment variable. If Tomcat was installed following the instructions on the Wiki, this should it will be either /opt/tomcat7/.OpenMRS on Linux or C:\Program Files\Apache\Tomcat 7.0\OpenMRS on Windows. If you are using an SDK server, the application data directory is at ~/openmrs/[serverId] .
In version 1.7 and earlier, the default location is the home directory of the user running tomcat. ~/.OpenMRS on Linux or C:\Documents and Settings\yourusername\Application Data\OpenMRS on Windows.
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Setting the location
You have several options if you want to have control over where this directory is:
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