Failed to initialize monitor Thread: Unable to establish loopback connection

Question

Since yesterday suddenly my Eclipse does not work anymore. The error is \"Failed to initialize monitor Thread: Unable to establishe loopback connection\". I googled and trie

Answer 1

See https://stackoverflow.com/a/11327411/552958

I suspect you are using Java 7 which looks like it prefers IPV6 over IPV4. So you need to make sure that -Djava.net.preferIPv4Stack=true is a jvm argument.