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https://issues.jboss.org/browse/JGRP-2316?page=com.atlassian.jira.plugin....
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Bela Ban commented on JGRP-2316:
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The 8888 port was added to my YAML by Ken, to make SRV based discovery work at all.
Agreed, it's not needed when using A records.
So based on your conclusion, how about the following:
* I add a new attribute {{use_dns_ports}} to DNS_PING. It is ignored when A records are
used.
* When SRV records are used: when true and the ports are not 0, then we'll use the
ported returned by the SRV DNS query, otherwise we'll use the transport ports (plus
port_range)
WDYT?
DNS_PING is not using correct ports with SRV based service discovery
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Key: JGRP-2316
URL:
https://issues.jboss.org/browse/JGRP-2316
Project: JGroups
Issue Type: Bug
Affects Versions: 4.0.15
Reporter: dmcnair
Assignee: Bela Ban
Priority: Major
This is a follow-up to JGRP-2296 - which changed `DefaultDNSResolver.java` to preserve
the port for SRV records. While that change is working as desired, `DNS_PING.java` is not
using the port when doing member discovery.
Here are the log entries using *4.0.15*
{noformat}
2018-11-29 21:37:41,561 DEBUG [org.jgroups.protocols.dns.DNS_PING] (thread-4,null,null)
Entries collected from DNS (in 5 ms): [172.29.11.50:27106, 172.29.11.50:27105]
2018-11-29 21:37:41,562 DEBUG [org.jgroups.protocols.dns.DNS_PING] (thread-4,null,null)
982d38761cba: sending discovery requests to hosts [172.29.11.50:27106, 172.29.11.50:27105]
on ports [7600 .. 7600]
{noformat}
Since the port was found via the SRV record, it should be used instead of the
*transportPort* port.
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