Eclipse maven updating indexes forever

I think, it is the deepest possible cleaning before reinstallation of Eclipse plugins.Hi guys, I wanna introduce you my problem with downloading Maven's dependencies to Eclipse Neon 3.A more drastic way: delete the whole .metadata folder.Later import projects from their place or checkout them from the svn(if you use some). the problem is that we don't really know, what metadata are broken, so the natural next step is to delete all of them.Two Stacks Plain Socket Impl.socket Connect(Native Method) at

I20150603-2000 java.version=1.8.0_60 java.vendor=Oracle Corporation Boot Loader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_IN Framework arguments: -product org.product Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.product !

Abstract Plain Socket Impl.connect To Address(Abstract Plain Socket Impl.java:206) at

Abstract Plain Socket Impl.connect(Abstract Plain Socket Impl.java:188) at

Eclipse Mars m2e plugin fails to download repository index updates on startup.

I run eclipse behind company firewall but proxy setting are working for "check for updates", "eclipse marketplace", eclipse inbuilt browser,.... Due to this issue, eclipse fails to search and add dependency from maven repositories.

Eclipse maven updating indexes forever