MyEclipse: [Installation] Can I have multiple versions installed?
support-tony - Jul 21, 2011 - 09:08 AM
Post subject: [Installation] Can I have multiple versions installed?
Definitely, this is how a lot of the developers and support team actually help to answer your questions; we have many releases and editions installed on our computers.
Most of the MyEclipse code is actually stored in a common directory, which is used for all instances of MyEclipse. The specific installations are configured in separate directories.
Please refer to a separate FAQ on file and folder locations to understand where MyEclipse installs itself if all default locations are used.
During installation, you can change the target location for the install. However, the location of the common files can only be specified the very first time that MyEclipse is installed. After that it cannot be changed, though you can change the location of the release specific installation, from the default. Because of this, you can also install several instances of the same release, though there is not usually a good reason to do this.
When installing multiple releases or editions, and when installing multiple instances of the same release or edition, there is no need to worry about workspace settings being lost as these are all held in the workspace itself and you will be able to load any workspace with the same release of MyEclipse that created it, or any later release, including any edition of any release. However, it is possible that later releases may upgrade your workspace, which may cause problems if you want to open it again in the earlier release. In this case, it may be wise to create a backup copy of your workspace.
If you are installing MyEclipse via an update site (or archived update site), then you will be installing into an existing eclipse installation. Multiple installations of eclipse are also possible, though the details are outside the scope of this FAQ.
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