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https://issues.apache.org/jira/browse/SOLR-13871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963319#comment-16963319
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Tomas Eduardo Fernandez Lobbe commented on SOLR-13871:
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I guess the problem with SolrCloud tests would be that, if you have a replica
in a node with port A, and you restart, but it starts with port B, then that
replica is essentially gone, unless you have a way to go and change the node
for it. Is that what you mean? I don't know how many tests will be doing this,
but for sure there are some
> JettySolrRunner should stop trying to re-use ports on re-start
> --------------------------------------------------------------
>
> Key: SOLR-13871
> URL: https://issues.apache.org/jira/browse/SOLR-13871
> Project: Solr
> Issue Type: Sub-task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Chris M. Hostetter
> Priority: Major
>
> JettySolrRunner currently has special logic in it's {{start()}} method that
> will cause it (by default) to try to rebind to the port it was previously
> assigned if it's restarting and configured with port '0'
> ie: the first time it starts the OS assigns the port, after that it tries to
> re-use that same port.
> This is a bad idea in general, and leads to (very slow) BindException
> failures in a lot of jenkins tests where nodes are restarted.
> Example...
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=ShardSplitTest
> -Dtests.method=testSplitWithChaosMonkey -Dtests.seed=9097C20E8E9ACC68 -Dtes
> ts.multiplier=2 -Dtests.nightly=true -Dtests.slow=true
> -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-master/test
> -data/enwiki.random.lines.txt -Dtests.locale=so-SO -Dtests.timezone=Etc/GMT+9
> -Dtests.asserts=true -Dtests.file.encoding=UTF-8
> [junit4] ERROR 81.2s J1 | ShardSplitTest.testSplitWithChaosMonkey <<<
> [junit4] > Throwable #1: java.net.BindException: Address already in use
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([9097C20E8E9ACC68:1BB011DFCF9C67EC]:0)
> [junit4] > at java.base/sun.nio.ch.Net.bind0(Native Method)
> [junit4] > at java.base/sun.nio.ch.Net.bind(Net.java:461)
> [junit4] > at java.base/sun.nio.ch.Net.bind(Net.java:453)
> [junit4] > at
> java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227)
> [junit4] > at
> java.base/sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80)
> [junit4] > at
> org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:342)
> [junit4] > at
> org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:308)
> [junit4] > at
> org.eclipse.jetty.server.AbstractNetworkConnector.doStart(AbstractNetworkConnector.java:80)
> [junit4] > at
> org.eclipse.jetty.server.ServerConnector.doStart(ServerConnector.java:236)
> [junit4] > at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> [junit4] > at
> org.eclipse.jetty.server.Server.doStart(Server.java:396)
> [junit4] > at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> [junit4] > at
> org.apache.solr.client.solrj.embedded.JettySolrRunner.retryOnPortBindFailure(JettySolrRunner.java:569)
> [junit4] > at
> org.apache.solr.client.solrj.embedded.JettySolrRunner.start(JettySolrRunner.java:508)
> [junit4] > at
> org.apache.solr.client.solrj.embedded.JettySolrRunner.start(JettySolrRunner.java:476)
> [junit4] > at
> org.apache.solr.cloud.api.collections.ShardSplitTest.testSplitWithChaosMonkey(ShardSplitTest.java:499)
> {noformat}
> Ideally JettySolrRunner's default behavior should b to just trust it's config
> – binding to a random port (even on restart, even if diff from it's previous
> port) if configured with '0'.
> Callers – including tests – should eliminate any assumptions in their code
> that the port will be consistent for the life of a JettySolrRunner (ie:
> accept that the URL may change anytime stop/start is called)
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