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Removal of support for Java 5

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Removal of support for Java 5

Postby rleigh » Wed Aug 21, 2013 8:55 am

Dear all,

The OME project has evaluated the level of Java 5 usage across all of the libraries, clients and server components which we support, from Bio-Formats and its ImageJ plugin through to OMERO.server and its clients. We have found that the level of Java 5 usage has steadily declined throughout 2012 and 2013 to very low levels at the present day. Most components currently have zero Java 5 usage. A very small number of OMERO.insight users and a very small proportion of Bio-Formats users are still using Java 5.

In the absence of any major blocker, we plan to remove support for Java 5 in the upcoming 4.4.9 release, and in the next 5.0 beta release. At this point users and developers will require Java 6 or Java 7 for these and future releases.

Note that Java 5 has had no public updates since April 2008, and was end of life in October 2009 (http://www.oracle.com/technetwork/java/eol-135779.html). In particular, please be aware that it no longer has security updates.

We would be interested in hearing feedback if you are in a situation where it is not possible to upgrade to a more recent version of Java, and this change will cause problems. In particular, it would be useful to have the details of the system you are using.

Roger Leigh
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