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From Rick Leir <>
Subject Re: solr-6.3.0 error port is running already
Date Wed, 03 May 2017 11:00:51 GMT
Here it is on Fedora/Redhat/Centos (similar on Unix like systems). Look 
for other processes which might already be listening on the port you 
want to listen on:

$ sudo netstat --inet -lp -4
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         
State       PID/Program name
tcp        0      0*               LISTEN      
tcp        0      0*               LISTEN      


$ grep pop3s /etc/services
pop3s           995/tcp                         # POP-3 over SSL
pop3s           995/udp                         # POP-3 over SSL

I mention pop3s just because you will run into misleading port numbers 
which alias some well known services which are listed in the services file.

cheers -- Rick

On 2017-05-02 05:09 PM, Rick Leir wrote:
> Satya
> Say netstat --inet -lP
> You might need to add -ipv4 to that command. The P might be lower case (I am on the bus!).
And the output might show misleading service names, see /etc/services.
> Cheers-- Rick
> On May 2, 2017 3:10:30 PM EDT, Satya Marivada <> wrote:
>> Hi,
>> I am getting the below exception all of a sudden with solr-6.3.0.
>> "null:org.apache.solr.common.SolrException: A previous ephemeral live
>> node
>> still exists. Solr cannot continue. Please ensure that no other Solr
>> process using the same port is running already."
>> We are using external zookeeper and have restarted solr many times.
>> There
>> is no solr running on those ports already. Any suggestions. Looks like
>> a
>> bug. Had started using jmx option and then started getting it. Turned
>> jmx
>> off, still getting the same issue.
>> We are in crunch of time, any workaround to get it started would be
>> helpful. Not sure where solr is seeing that port, when everything is
>> started clean.
>> Thanks,
>> Satya

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