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OMERO Upgrade Checks

On each startup the OMERO server checks for available upgrades via the UpgradeCheck class. An HTTP GET call is made to the URL configured in etc/omero.properties as omero.upgrades.url, currently http://upgrade.openmicroscopy.org.uk by default. (Viewing this page in your browser will redirect you to this page).

Actions

Currently the only action taken when an upgrade is necessary is a log statement at WARN level.

Future versions may also send emails and/or IMs to administrators. In the case of critical upgrades, the server may refuse to start.

Privacy

Currently, the only information which is being transmitted to the server is:

Java virtual machine version
operating system details (architecture, version and name)
current server version
poll frequency (for determining statistics)
your IP address (standard HTTP header information)

NOTE: Currently the "poll" property is unused.

If this is a problem for your site, please see Disabling below.

Disabling

If you would prefer to have no checks made, the check can be disabled by setting the omero.upgrades.url property to an empty string:

omero.upgrades.url=

Developers

To use the UpgradeCheck class from your own code, it is necessary to have common.jar on your classpath. Then,

    ResourceBundle bundle = ResourceBundle.getBundle("omero")
    String version = bundle.getString("omero.version");
    String url = bundle.getString("omero.upgrades.url");
    ome.system.UpgradeCheck check = new UpgradeCheck(
      url, version, "insight"); // Or "importer", etc.
    check.run();
    check.isUpgradeNeeded();
    // optionally
    check.isExceptionThrown();

will connect to the server and check your current version against the latest release.

See also: OmeroInstall, OmeroUpgrade, OmeroSecurity

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