https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-mertices-collector-going-down/m-p/132797#M23202 <P>Issue is resolved.</P><P>Issue was with ntpd.</P><P>started ntpd service-</P><P>sudo service ntpd start</P> Fri, 18 Mar 2016 19:40:24 GMT raja_ray 2016-03-18T19:40:24Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-mertices-collector-going-down/m-p/132796#M23201 <P>Ambari metrices collector is going down with below error log-</P><P>01:13:19,214 INFO [main-SendThread(localhost:61181)] ClientCnxn:975 - Opening socket connection to server localhost/127.0.0.1:61181. Will not attempt to authenticate using SASL (unknown error) 01:13:19,215 WARN [main-SendThread(localhost:61181)] ClientCnxn:1102 - Session 0x133e44300770002 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) 01:13:19,458 INFO [main-SendThread(localhost:61181)] ClientCnxn:975 - Opening socket connection to server localhost/127.0.0.1:61181. Will not attempt to authenticate using SASL (unknown error) 01:13:19,459 WARN [main-SendThread(localhost:61181)] ClientCnxn:1102 - Session 0x133e44300770002 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) 01:13:19,481 INFO [main-SendThread(localhost:61181)] ClientCnxn:975 - Opening socket connection to server localhost/127.0.0.1:61181. Will not attempt to authenticate using SASL (unknown error) 01:13:19,482 WARN [main-SendThread(localhost:61181)] ClientCnxn:1102 - Session 0x133e44300770001 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) 01:13:20,126 INFO [main-SendThread(localhost:61181)] ClientCnxn:975 - Opening socket connection to server localhost/127.0.0.1:61181. Will not attempt to authenticate using SASL (unknown error) 01:13:20,126 WARN [main-SendThread(localhost:61181)] ClientCnxn:1102 - Session 0x133e44300770001 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) 01:13:20,664 INFO [main-SendThread(localhost:61181)] ClientCnxn:975 - Opening socket connection to server localhost/127.0.0.1:61181. Will not attempt to authenticate using SASL (unknown error) 01:13:20,664 WARN [main-SendThread(localhost:61181)] ClientCnxn:1102 - Session 0x133e44300770002 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) 01:13:21,245 INFO [main-SendThread(localhost:61181)] ClientCnxn:975 - Opening socket connection to server localhost/127.0.0.1:61181. Will not attempt to authenticate using SASL (unknown error) 01:13:21,246 WARN [main-SendThread(localhost:61181)] ClientCnxn:1102 - Session 0x133e44300770001 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) 01:13:21,616 INFO [main-SendThread(localhost:61181)] ClientCnxn:975 - Opening socket connection to server localhost/127.0.0.1:61181. Will not attempt to authenticate using SASL (unknown error) 01:13:21,617 WARN [main-SendThread(localhost:61181)] ClientCnxn:1102 - Session 0x133e44300770002 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)</P><P>Please help.</P> Fri, 16 Sep 2022 10:10:07 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-mertices-collector-going-down/m-p/132796#M23201 raja_ray 2022-09-16T10:10:07Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-mertices-collector-going-down/m-p/132797#M23202 <P>Issue is resolved.</P><P>Issue was with ntpd.</P><P>started ntpd service-</P><P>sudo service ntpd start</P> Fri, 18 Mar 2016 19:40:24 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Ambari-mertices-collector-going-down/m-p/132797#M23202 raja_ray 2016-03-18T19:40:24Z