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/build.properties
The properties that you will most likely want to change
etc/local.properties
Local file overriding etc/build.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>
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