zookeeper报错java.net.ConnectException: Connection refused: no further information

这是在linux 启动

https://blog.csdn.net/laychityun/article/details/81980596

具体异常信息：
java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
at org.apache.zookeeper.ClientCnxn $S e n d T h r e a d . r u n (C l i e n t C n x n . j a v a : 1141) 2018 - 08 - 2314 : 29 : 30, 700 [l o c a l h o s t - s t a r t S t o p - 1 - S e n d T h r e a d (192.168.43.31 : 2181)] [o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n S o c k e t N I O] - [D E B U G] I g n o r i n g e x c e p t i o n d u r i n g s h u t d o w n i n p u t j a v a . n i o . c h a n n e l s . C l o s e d C h a n n e l E x c e p t i o n a t s u n . n i o . c h . S o c k e t C h a n n e l I m p l . s h u t d o w n I n p u t (S o c k e t C h a n n e l I m p l . j a v a : 780) a t s u n . n i o . c h . S o c k e t A d a p t o r . s h u t d o w n I n p u t (S o c k e t A d a p t o r . j a v a : 399) a t o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n S o c k e t N I O . c l e a n u p (C l i e n t C n x n S o c k e t N I O . j a v a : 200) a t o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n$

$S e n d T h r e a d . r u n (C l i e n t C n x n . j a v a : 1141) 2018 - 08 - 2314 : 29 : 30, 700 [l o c a l h o s t - s t a r t S t o p - 1 - S e n d T h r e a d (192.168.43.31 : 2181)] [o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n S o c k e t N I O] - [D E B U G] I g n o r i n g e x c e p t i o n d u r i n g s h u t d o w n i n p u t j a v a . n i o . c h a n n e l s . C l o s e d C h a n n e l E x c e p t i o n a t s u n . n i o . c h . S o c k e t C h a n n e l I m p l . s h u t d o w n I n p u t (S o c k e t C h a n n e l I m p l . j a v a : 780) a t s u n . n i o . c h . S o c k e t A d a p t o r . s h u t d o w n I n p u t (S o c k e t A d a p t o r . j a v a : 399) a t o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n S o c k e t N I O . c l e a n u p (C l i e n t C n x n S o c k e t N I O . j a v a : 200) a t o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n$