My first thought is restart cassandra and monitor its log to make sure it starts up.
On Thu, Jan 25, 2018 at 9:15 AM Jeff Jirsa <jji...@gmail.com> wrote: > Can you telnet to the 7199 port? > > -- > Jeff Jirsa > > > On Jan 25, 2018, at 8:00 AM, James Lovato <james.lov...@iacapps.com> > wrote: > > I have a 15 node cluster, 5 in each of 3 dcs. One host just recently > started hanging doing any `nodetool` requests. I’ve enabled remote JMX on > all these hosts and it was working fine until this week. No other changes > have been made. All the Cassandra-env.sh files are the same among the > nodes, and only seeds and listen_address are different for Cassandra.yaml > files. > > > > Nothing in debug log about why the Connection timed out. This is what I > get running nodetool from the same host: > > > > [root@host5 conf]# nodetool status > > nodetool: Failed to connect to 'xx.xx.xx.xx:7199' - ConnectException: > 'Connection timed out (Connection timed out)'. > > > > Any thoughts or how to log nodetool’s actions? Or see why it’s not > accepting the request? Telnet to the port from localhost as well as > another node work fine. > > > > Thanks, > James > >
