Cannot open Eclipse Marketplace Cannot install remote marketplace locations: Cannot resolve host

Question

I am using eclipse Kepler version and trying to install Sonar plugin from Eclipse marketplace. But I am getting below error

Cannot open Eclipse Market

Answer 1

when launching, java application defaults to listening to ipv6 exclusively. Modify .ini configuration settings file present in the folder by adding -Djava.net.preferIPv4Stack=true below the -vmargs. This sets the java to prefer IPV4 stack.