Ravuri Sushma sree created HDFS-14528:
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Summary: [SBN Read]Failover from Active to Standby Failed
Key: HDFS-14528
URL: https://issues.apache.org/jira/browse/HDFS-14528
Project: Hadoop HDFS
Issue Type: Bug
Components: ha
Reporter: Ravuri Sushma sree
*Started an HA Cluster with three nodes [ _Active ,Standby ,Observer_ ]*
*When trying to exectue the failover command from active to standby*
*._/hdfs haadmin -failover nn1 nn2, below Exception is thrown_*
**
{color:#333333}Operation failed: Call From X-X-X-X/X-X-X-X to Y-Y-Y-Y:nnnn
failed on connection exception: java.net.ConnectException: Connection refused;
For more details see: http://wiki.apache.org/hadoop/ConnectionRefused{color}
{color:#333333} at
sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source){color}
{color:#333333} at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45){color}
{color:#333333} at
java.lang.reflect.Constructor.newInstance(Constructor.java:422){color}
{color:#333333} at
org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:831){color}
{color:#333333} at
org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:755){color}
{color:#333333} at
org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1556){color}
{color:#333333} at org.apache.hadoop.ipc.Client.call(Client.java:1498){color}
{color:#333333} at org.apache.hadoop.ipc.Client.call(Client.java:1397){color}
{color:#333333} at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:234){color}
{color:#333333} at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118){color}
{color:#333333} at com.sun.proxy.$Proxy10.cedeActive(Unknown Source){color}
{color:#333333} at
org.apache.hadoop.ha.protocolPB.ZKFCProtocolClientSideTranslatorPB.cedeActive(ZKFCProtocolClientSideTranslatorPB.java:64){color}
{color:#333333} at
org.apache.hadoop.ha.ZKFailoverController.cedeRemoteActive(ZKFailoverController.java:730){color}
{color:#333333} at
org.apache.hadoop.ha.ZKFailoverController.doGracefulFailover(ZKFailoverController.java:674){color}
{color:#333333} at
org.apache.hadoop.ha.ZKFailoverController.access$400(ZKFailoverController.java:62){color}
{color:#333333} at
org.apache.hadoop.ha.ZKFailoverController$3.run(ZKFailoverController.java:613){color}
{color:#333333} at
org.apache.hadoop.ha.ZKFailoverController$3.run(ZKFailoverController.java:610){color}
{color:#333333} at java.security.AccessController.doPrivileged(Native
Method){color}
{color:#333333} at javax.security.auth.Subject.doAs(Subject.java:422){color}
{color:#333333} at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1729){color}
{color:#333333} at
org.apache.hadoop.ha.ZKFailoverController.gracefulFailoverToYou(ZKFailoverController.java:610){color}
{color:#333333} at
org.apache.hadoop.ha.ZKFCRpcServer.gracefulFailover(ZKFCRpcServer.java:94){color}
{color:#333333} at
org.apache.hadoop.ha.protocolPB.ZKFCProtocolServerSideTranslatorPB.gracefulFailover(ZKFCProtocolServerSideTranslatorPB.java:61){color}
{color:#333333} at
org.apache.hadoop.ha.proto.ZKFCProtocolProtos$ZKFCProtocolService$2.callBlockingMethod(ZKFCProtocolProtos.java:1548){color}
{color:#333333} at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:530){color}
{color:#333333} at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1036){color}
{color:#333333} at
org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:927){color}
{color:#333333} at
org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:862){color}
{color:#333333} at java.security.AccessController.doPrivileged(Native
Method){color}
{color:#333333} at javax.security.auth.Subject.doAs(Subject.java:422){color}
{color:#333333} at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1729){color}
{color:#333333} at
org.apache.hadoop.ipc.Server$Handler.run(Server.java:2791){color}
{color:#333333}Caused by: java.net.ConnectException: Connection refused{color}
{color:#333333} at sun.nio.ch.SocketChannelImpl.checkConnect(Native
Method){color}
{color:#333333} at
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717){color}
{color:#333333} at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206){color}
{color:#333333} at
org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531){color}
{color:#333333} at
org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:720){color}
{color:#333333} at
org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:823){color}
{color:#333333} at
org.apache.hadoop.ipc.Client$Connection.access$3700(Client.java:436){color}
{color:#333333} at
org.apache.hadoop.ipc.Client.getConnection(Client.java:1613){color}
{color:#333333} at org.apache.hadoop.ipc.Client.call(Client.java:1444){color}
{color:#333333} ... 25 more{color}
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