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Properties

Under the etc/ directory in both the source and the binary distributions, several files are provided which help to configure OMERO.server:

etc/omero.properties             - Our central configuration file with all defaults.
etc/hibernate.properties         - Required by Hibernate since some properties are only configurable
                                   via a classpath:hibernate.properties file.
etc/logback.xml                  - Logging configuration
etc/local.properties.example     - The properties that you will most likely want to change.
                                   This file can be copied to etc/local.properties to being, or
                                   alternatively you can run "java omero setup"
                                   (Name will change to "…default")
etc/local.properties             - Local overrides for other properties (used by build only)

The most useful of the properties are listed in a glossary.

During the build, these files get stored in the blitz.jar and are read-only. On creation of an OmeroContext, the lookup for properties is (first wins):

  • Properties passed into the constructor (if none, then the default properties in config.xml)
  • System.properties set via “java -Dproperty=value”
  • Configuration files in order listed.

This ordering is defined for the various components via “placeholder configurers” in:

Once configured at start, all values declared in one of the mentioned ways can be used in Spring configurations via the syntax:

<bean id=…>
  <property name="mySetter" value="${property.name}"/>
</bean>