Eclipse Plugin Error

Question

A ways back I had tried to install the M2E plugin to experiment with Maven. The installation did not go as planned and it left me feeling like I only "half-installed" it. My reasons for this were numerous, but for instance Maven features that should have been present upon restart were simply not there.

I am now trying to download a plugin called EclEmma which is a code coverage analysis tool. The official website has the installation instructions very well spelled out, and I have followed these instructions verbatim.

In the Help >> Install New Software window, I am able to visit the EclEmma update site and select the plugin I want to install. I then click the Next button, whereby I get the following error:

The operation cannot be completed.
Cannot complete the install because one or more required
items could not be found.
Software currently installed: Shared profile 1.0.0.1320083707332 
(SharedProfile_SDKProfile 1.0.0.1320083707332)
Missing requirement: Shared profile 1.0.0.1320083707332
(SharedProfile_SDKProfile 1.0.0.1320083707332) requires 'org.maven.ide.eclipse
[1.0.100.20110804-1717]' but it could not be found

According to EclEmma's site, there are no dependencies or prerequisites for this download, and certainly nothing from Maven.

I think I must have mis-installed M2E all those months ago, and somehow it is causing EclEmma to tweak out during installation.

I have now spent an hour trying to figure out how to un-install M2E, but: (a) when I go to the list of installed plugins, the " Uninstall " button remains disabled and I am unable to get it to become enabled, and (b) most of the documentation I've found online seems to suggest that uninstalling plugins is discouraged and possibly even impossible !

How do uninstall M2E? Or at least disable/deactivate all its features so that I can get EclEmma to install? Of course, I could be misinterpreting the error message above...

Thanks for any help!

Answer 1

您也许可以将Eclipse恢复为插件/功能的先前配置，请参阅恢复为先前的安装配置。