suave wrote:
links http://localhost:50095

on the EC2 instance works but

links http://EC2InstanceIP:50095

on my laptop does not.
I strongly think this is because of some security setting of my EC2 instance
though I did allow incoming connections to my EC2 instance on port 50095
coming from any IP actually,
and in accumulo-env.sh I do have

export ACCUMULO_MONITOR_BIND_ALL="true"

Agreed. Given that netstat showed that the webserver was bound to the public interface (not 127.0.0.1), it's probably an EC2 issue.

However, maybe it's related to an Exception in the log because that's what I
want to find out too.
The logs are not yet clean, there's a

[net.SocketNode] INFO :  Caught java.io.EOFException closing conneciton.

in monitor.internal.debug.log and a

org.apache.thrift.transport.TTransportException: java.net.ConnectException:
Connection refused

in tracer.internal.debug.log.
Maybe it's related to that but I would like to get rid of these exceptions
anyway.

Assuming that's the same exception you had the previous logs, the master just hadn't started yet and the tracer tried to perform an RPC to it. The last line of the tracer log implies that it successfully talked to the master and registered itself in ZooKeeper. You should ignore this exception in this case.

If you're seeing it repeatedly, that's a different issue (send more logs)

Thanks.



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