TestNG plugin install error - eclipse

I am trying to install TestNG plugin in eclipse it is not getting installed and iam getting the below error message
Communication with repository at htt://beust.com/eclipse/ failed.
Org.eclipse.equinoxp2.core.ProvisionException

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Project error when i'm install fvm, so what i can do?

i got error after install fvm, so i can't running my project because this, what a problem this?

Connecting SonarLint into sonaqube server

I have eclipse NEON.3 with SonarLint 3.0.0 and while try to connect sonarLint with SonarQube 6.3.1.21392.
To connect the SonarQube with sonar lint, we try to install the required softwares by using the link http://downloads.sonarsource.com/eclipse/eclipse/ in eclipse(Help -> Install New Softwares)
Cannot complete the install because one or more required items could not be found.
Software being installed: SonarQube Java Configuration Helper 3.5.0.20150804-1512-RELEASE (org.sonar.ide.eclipse.jdt.feature.feature.group 3.5.0.20150804-1512-RELEASE) Missing requirement:
SonarQube Integration for Eclipse JDT 3.5.0.20150804-1512-RELEASE (org.sonar.ide.eclipse.jdt 3.5.0.20150804-1512-RELEASE) requires 'bundle org.eclipse.jdt.ui 0.0.0' but it could not be found
Cannot satisfy dependency: From: SonarQube Java Configuration Helper 3.5.0.20150804-1512-RELEASE (org.sonar.ide.eclipse.jdt.feature.feature.group 3.5.0.20150804-1512-RELEASE) To: org.sonar.ide.eclipse.jdt [3.5.0.20150804-1512-RELEASE]
Kindly advice us how to fix this issue

Eclipse Marketplace error - Unexpected exception: org/apache/http/client/fluent/Executor

I'm on Fedora 24 and installed Eclipse Neon via the software shop. The Eclipse version is 4.6. build id: Z20160714-1910.
When trying to start the Marketplace, I get the following error after the Marketplace window pops up:
Unexpected exception: org/apache/http/client/fluent/Executor
org/apache/http/client/fluent/Executor
org/apache/http/client/fluent/Executor
org/apache/http/client/fluent/Executor
The only other thing installed is PyDev.
Any idea what might cause this?
Try installing the "Fedora Eclipse" group via dnf:
sudo dnf group install 'Fedora Eclipse'
I was getting the same error as you, and using the above fixed it for me. It must be that the rpm for Eclipse by itself (which is what the Software app would install) is missing some Fedora-related dependencies.

Unable to install the jade plugin for Pycharm (MacOs)

I have installed PyCharm 3.4.1 CE for my Mac. I was able to install the jade plugin from Preferences > Plugins > Browse repositories, however, the plugin will fail to start with the following error message, saying the com.intellij.css is not installed.
Error message:
Plugin Error
Problems found loading plugins:
Plugin "Jade" was not loaded: required plugin "com.intellij.css" not installed.
Disable Jade
Open plugin manager
I can't find where to install the missing plugin.
The Plugin depends on com.intellij.css. It is only part of the Ultimate Edition. There is no support for the plugin in the CE.

Error installing LDAP Browser plugin in eclipse

I have installed eclipse jee juno in my linux 12.10 environment and I tried to install the LDAP Browser plugin using install new Software option. But it gives me the following error. How can I solve this?
An error occurred while installing the items
`session context was:(profile=epp.package.jee,` phase=org.eclipse.equinox.internal.p2.engine.phases.Install, operand=null --> [R]org.apache.commons.io 2.4.0, action=).
Failed to prepare partial IU: [R]org.apache.commons.io 2.4.0.
To install you need to add this in Eclipse:
http://directory.apache.org/studio/update/2.x
After that select:
The Apache Directory Studio Browser