Houston Putman created SOLR-14999:
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Summary: Add built-in option to advertise Solr with a different
port than Jetty listens on.
Key: SOLR-14999
URL: https://issues.apache.org/jira/browse/SOLR-14999
Project: Solr
Issue Type: Improvement
Reporter: Houston Putman
Assignee: Houston Putman
Currently the default settings in {{solr.xml}} allow the specification of one
port, {{jetty.port}} which the bin/solr script provides from the {{SOLR_PORT}}
environment variable. This port is used twice. Jetty uses it to listen for
requests, and the clusterState uses the port to advertise the address of the
Solr Node.
In cloud environments, it's sometimes crucial to be able to listen on one port
and advertise yourself as listening on another. This is because there is a
proxy that listens on the advertised port, and forwards the request to the
server which is listening to the jetty port.
Solr already supports having a separate Jetty port and Live Nodes port
(examples provided in the dev-list discussion linked below). I suggest that we
add this to the default solr config so that users can use the default solr.xml
in cloud configurations, and the solr/bin script will enable easy use of this
feature.
There has been [discussion on this exact
problem|https://mail-archives.apache.org/mod_mbox/lucene-dev/201910.mbox/%3CCABEwPvGFEggt9Htn%3DA5%3DtoawuimSJ%2BZcz0FvsaYod7v%2B4wHKog%40mail.gmail.com%3E]
on the dev list already.
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