Add this URL to your Eclipse Installation to reach this solution's update site.

Oxygen (4.7)
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Mars (4.5)
Luna (4.4)
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Installs Last Update: 
Tuesday, April 24, 2018 - 05:24
jduker2o's picture

I get the following when I try to install:


Unable to read repository at h ttps://
Unrecognized SSL message, plaintext connection?


I have the Market Place client installed.  Any suggestions?

jhenrym6y's picture

This is a composite update site, so Eclipse should be looking first for (which exists). If for some reason Eclipse can't get the compositeContent.xml it will try as a fallback fallback to get content.xml (that doesn't exists). So the message is misleading.

If you are behind a corporate proxy, I would check with your infra team why you can't fetch

fglck's picture

I have the same Problem, after "Confirm selected..." I got:

Unknown Host: //

If I try to open this URL in a browser:

Not Found

The requested URL /content.xml was not found on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

jduker2o's picture

I can click on both of those links you provided, while in the office which does have a corporate fire wall, and I can retrieve both of the XML files.

snagqqt's picture

Is there a way to add SonarLint plugin using the dropins folder?

ashah15i's picture


Goal of installing this plugin is to see issues before actually shown on build machine. However, for me issues in Eclipse reported by sonar lint is different from reported on server. We are using server version 5.6 and sonarlint version 2.3.1.

apalajw's picture

Is this plugin available for Eclipse Galileo?
If yes please guide with the process to install it!!
Thanks in advance.

vflorentino's picture

I got this error message in mars 2.

hjie's picture

I got this error message in mars 2.

ptambay's picture

File not found error during installation:
I see that the file is available at instead.
Can you please fix it?

kvaithilingam's picture

I'm not able to install SonarLint in Mars 4.5.1 (STS 3.7.2)

sarumugam's picture

Please download the zip and install as archive by selecting the downloaded zip in Install New Software option. This worked for me in STS 3.7.2.

ecoll's picture

Do we need a SourceForge account to be able to download / install SonarLint plugin? I get prompted for a SourceForge userid / password when I try to install this. Doesn't seem to be a requirement for other plugins....

jhenrym6y's picture

This is very strange since we have no relation at all with SourceForge. Can you please join SonarLint user group so that we can investigate (this is not the best place to handle support).