As the exception indicates, nodetool just lost communication with the Cassandra node and cannot print progress any further. Check your system.log on the node, and see if your repair was completed. If there is no error, then it should be fine.
On Wed, Dec 3, 2014 at 5:08 AM, Rafał Furmański <rfurman...@opera.com> wrote: > Hi All! > > We have a 8 nodes cluster in 2 DC (4 per DC, RF=3) running Cassandra 2.1.2 on > Linux Debian Wheezy. > I executed “nodetool repair” on one of the nodes, and this command returned > following error: > > Exception occurred during clean-up. > java.lang.reflect.UndeclaredThrowableException > error: JMX connection closed. You should check server log for repair status > of keyspace sync(Subsequent keyspaces are not going to be repaired). > -- StackTrace -- > java.io.IOException: JMX connection closed. You should check server log for > repair status of keyspace sync(Subsequent keyspaces are not going to be > repaired). > at > org.apache.cassandra.tools.RepairRunner.handleNotification(NodeProbe.java:1351) > at > javax.management.NotificationBroadcasterSupport.handleNotification(NotificationBroadcasterSupport.java:274) > at > javax.management.NotificationBroadcasterSupport$SendNotifJob.run(NotificationBroadcasterSupport.java:339) > at > javax.management.NotificationBroadcasterSupport$1.execute(NotificationBroadcasterSupport.java:324) > at > javax.management.NotificationBroadcasterSupport.sendNotification(NotificationBroadcasterSupport.java:247) > at > javax.management.remote.rmi.RMIConnector.sendNotification(RMIConnector.java:441) > at > javax.management.remote.rmi.RMIConnector.access$1100(RMIConnector.java:121) > at > javax.management.remote.rmi.RMIConnector$RMIClientCommunicatorAdmin.gotIOException(RMIConnector.java:1505) > at > javax.management.remote.rmi.RMIConnector$RMINotifClient.fetchNotifs(RMIConnector.java:1350) > at > com.sun.jmx.remote.internal.ClientNotifForwarder$NotifFetcher.fetchNotifs(ClientNotifForwarder.java:587) > at > com.sun.jmx.remote.internal.ClientNotifForwarder$NotifFetcher.doRun(ClientNotifForwarder.java:470) > at > com.sun.jmx.remote.internal.ClientNotifForwarder$NotifFetcher.run(ClientNotifForwarder.java:451) > at > com.sun.jmx.remote.internal.ClientNotifForwarder$LinearExecutor$1.run(ClientNotifForwarder.java:107) > > This error was followed by lots of “Lost Notification” messages. > Node became unusable and I had to restart it. Is this an issue? > > Rafal -- Yuki Morishita t:yukim (http://twitter.com/yukim)
