This error reminds me of the following issue I declared a few months ago :
https://issues.apache.org/jira/browse/SOLR-17219
I had the same kind of errors during cluster startup when I was testing the
same kind of config (3 shards / 3 replicas and lots of collections). I
think it has something to do with the huge number of requests that
Zookeeper has to handle when so much cores start around the same time. Each
of them queries dozens of files (dictionaries, stems, synonyms, etc...).

During my tests, I had 100 collections. Which makes a total of 900
individual cores (100 * 3 * 3). Each core has to fetch its own copy of each
config file (dctionaries, stems, currencies, synonyms)... That makes a lot
of concurrent requests for Zookeeper to handle (and the OS too).

Try to update to Solr 9.6.1+. I've never experienced that ever since. I now
use Solr 9.7.0.


Le mar. 19 nov. 2024 à 21:16, Mikhail Khludnev <m...@apache.org> a écrit :

> Well. Right it should.
>
> On Tue, Nov 19, 2024 at 5:18 PM Schmidt, Mihael <mschm...@bauformat.de>
> wrote:
>
> > But this file IS in Zookeeper. Shouldn't Solr fetch it from Zookeeper?
> >
> >
> > /solr-mschmidt
> >               configs
> >                       mdm
> >                           protwords.txt
> >                           solrconfig.xml
> >                           synonyms.txt
> >                           stopwords.txt
> >                           managed-schema.xml
> >                           lang
> >                                contractions_it.txt
> >                                contractions_ca.txt
> >                                stemdict_nl.txt
> >                                stopwords_hy.txt
> >                                stopwords_no.txt
> >                                stopwords_id.txt
> >                                stopwords_et.txt
> >                                stopwords_da.txt
> >                                stopwords_ga.txt
> >                                stopwords_hi.txt
> >                                stopwords_ja.txt
> >                                stopwords_pt.txt
> >                                stopwords_hu.txt
> >                                stopwords_el.txt
> >                                stopwords_ru.txt
> >                                stopwords_tr.txt
> >                                stopwords_ar.txt
> >                                userdict_ja.txt
> >                                stopwords_eu.txt
> >                                stopwords_it.txt
> >                                stopwords_cz.txt
> >                                stoptags_ja.txt
> >                                contractions_fr.txt
> >                                stopwords_de.txt
> >                                stopwords_fa.txt
> >                                contractions_ga.txt
> >                                stopwords_ca.txt
> >                                stopwords_nl.txt
> >                                stopwords_bg.txt
> >                                stopwords_en.txt
> >                                stopwords_es.txt
> >                                stopwords_lv.txt
> >                                stopwords_ro.txt
> >                                stopwords_th.txt
> >                                stopwords_fr.txt
> >                                stopwords_sv.txt
> >                                stopwords_fi.txt
> >                                hyphenations_ga.txt
> >                                stopwords_gl.txt
> >                           default_schema.xml
> >
> >
> >
> >
> > Mihael Schmidt
> > Software Engineering
> >
> > Bauformat Küchen GmbH & Co. KG
> > Kattwinkel 1 | 32584 Löhne | Deutschland
> >
> > Fon: +495732 102-379
> > Fax: +495732 102-300
> > Mail: mschm...@bauformat.de
> > Internet: www.bauformat.de
> >
> > Umsatzsteuer-Identifikationsnummer: DE 124323068 - Steuer-Nr.:
> > 310/5705/0461 / Finanzamt Bünde - Handelsregister Bad Oeynhausen HRA 1801
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> > Oeynhausen HRB 1465
> > Geschäftsführer: Michael Assner, Matthias Berens, Sabine Brockschnieder
> >
> > Wir erfüllen unsere Informationspflichten zum Datenschutz gem. Artt.
> 13-14
> > DS-GVO durch Veröffentlichung auf unserer Internetseite unter:
> > www.bauformat.de/datenschutz oder durch Zusendung auf Ihre formlose
> > Anfrage.
> > -----Ursprüngliche Nachricht-----
> > Von: Mikhail Khludnev <m...@apache.org>
> > Gesendet: Dienstag, 19. November 2024 15:11
> > An: users@solr.apache.org
> > Betreff: Re: Solr Cloud Node not coming up
> >
> > Hi,
> > You have ElisionFilterFactory configures in schema.xml It requires
> > /configs/mdm/lang/contractions_fr.txt* and fails to find it. *
> >
> > *Please check the refernce guide and configuration.  *
> >
> > On Tue, Nov 19, 2024 at 4:32 PM Schmidt, Mihael <mschm...@bauformat.de>
> > wrote:
> >
> > > Thanks for the tip.
> > >
> > >
> > >
> > > Here ist he log output:
> > >
> > > …
> > > 2024-11-19 12:06:44.417 INFO  (zkConnectionManagerCallback-2-thread-1)
> > [c:
> > > s: r: x: t:] o.a.s.c.c.ConnectionManager zkClient has connected
> > >
> > > 2024-11-19 12:06:44.417 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
> > >
> > > 2024-11-19 12:06:44.417 WARN  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.SolrZkClient Using default ZkACLProvider.
> > > DefaultZkACLProvider is not secure, it creates 'OPEN_ACL_UNSAFE' ACLs
> > > to Zookeeper nodes
> > >
> > > 2024-11-19 12:06:44.741 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.NodeConfig Loading solr.xml from SolrHome (not found in
> > > ZooKeeper)
> > >
> > > 2024-11-19 12:06:44.742 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.SolrXmlConfig solr.xml not found in SOLR_HOME, using built-in
> > > default
> > >
> > > 2024-11-19 12:06:44.742 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.SolrXmlConfig Loading solr.xml from
> > > C:\Users\mschmidt\Programme\solr-9.6.0\server\solr\solr.xml
> > >
> > > 2024-11-19 12:06:44.798 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.SolrResourceLoader Added 1 libs to classloader, from paths:
> > > [/C:/Users/mschmidt/Programme/solr-9.6.0/lib]
> > >
> > > 2024-11-19 12:06:44.818 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.SolrResourceLoader Added 2 libs to classloader, from paths:
> > > [/C:/Users/mschmidt/Programme/solr-9.6.0/modules/jwt-auth/lib]
> > >
> > > 2024-11-19 12:06:44.818 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.NodeConfig Added module jwt-auth.
> > > libPath=C:\Users\mschmidt\Programme\solr-9.6.0\modules\jwt-auth\lib
> > > with 2 libs
> > >
> > > 2024-11-19 12:06:44.818 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.SolrResourceLoader Added 1 libs to classloader, from paths:
> > > [/C:/Users/mschmidt/Programme/solr-9.6.0/modules/ltr/lib]
> > >
> > > 2024-11-19 12:06:44.819 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.NodeConfig Added module ltr.
> > > libPath=C:\Users\mschmidt\Programme\solr-9.6.0\modules\ltr\lib with 1
> > > libs
> > >
> > > 2024-11-19 12:06:44.830 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.SolrResourceLoader Added 82 libs to classloader, from paths:
> > > [/C:/Users/mschmidt/Programme/solr-9.6.0/modules/extraction/lib]
> > >
> > > 2024-11-19 12:06:44.830 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.NodeConfig Added module extraction.
> > > libPath=C:\Users\mschmidt\Programme\solr-9.6.0\modules\extraction\lib
> > > with
> > > 82 libs
> > >
> > > 2024-11-19 12:06:45.430 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.u.t.SimplePropagator Always-on trace id generation enabled.
> > >
> > > 2024-11-19 12:06:45.740 WARN  (main) [c: s: r: x: t:]
> > > o.a.s.u.StartupLoggingUtils Jetty request logging enabled. Will retain
> > > logs for last 3 days. See chapter "Configuring Logging" in reference
> > > guide for how to configure.
> > >
> > > 2024-11-19 12:06:45.740 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.ZkContainer Zookeeper
> > > client=zookeeper1:2818,zookeeper2:2181,zookeeper3:2181/solr-mschmidt
> > >
> > > 2024-11-19 12:06:45.758 WARN  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.SolrZkClient Using default ZkCredentialsInjector.
> > > ZkCredentialsInjector is not secure, it creates an empty list of
> > > credentials which leads to 'OPEN_ACL_UNSAFE' ACLs to Zookeeper nodes
> > >
> > > 2024-11-19 12:06:45.763 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.ConnectionManager Waiting up to 15000ms for client to
> > > connect to ZooKeeper
> > >
> > > 2024-11-19 12:06:46.075 INFO
> > > (zkConnectionManagerCallback-12-thread-1)
> > > [c: s: r: x: t:] o.a.s.c.c.ConnectionManager zkClient has connected
> > >
> > > 2024-11-19 12:06:46.075 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
> > >
> > > 2024-11-19 12:06:46.075 WARN  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.SolrZkClient Using default ZkACLProvider.
> > > DefaultZkACLProvider is not secure, it creates 'OPEN_ACL_UNSAFE' ACLs
> > > to Zookeeper nodes
> > >
> > > 2024-11-19 12:06:46.399 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.DistributedClusterStateUpdater Creating
> > > DistributedClusterStateUpdater with useDistributedStateUpdate=false.
> > > Solr will be using Overseer based cluster state updates.
> > >
> > > 2024-11-19 12:06:46.413 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.ConnectionManager Waiting up to 15000ms for client to
> > > connect to ZooKeeper
> > >
> > > 2024-11-19 12:06:46.707 INFO
> > > (zkConnectionManagerCallback-14-thread-1)
> > > [c: s: r: x: t:] o.a.s.c.c.ConnectionManager zkClient has connected
> > >
> > > 2024-11-19 12:06:46.707 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.ConnectionManager Client is connected to ZooKeeper
> > >
> > > 2024-11-19 12:06:48.058 WARN  (main) [c: s: r: x: t:]
> > > o.a.s.c.ZkController Contents of zookeeper /security.json are
> > > world-readable; consider setting up ACLs as described in
> > > https://solr.apache.org/guide/solr/latest/deployment-guide/zookeeper-a
> > > ccess-control.html
> > >
> > > 2024-11-19 12:06:48.228 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (0) ->
> > > (2)
> > >
> > > 2024-11-19 12:06:48.850 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.DistributedClusterStateUpdater Creating
> > > DistributedClusterStateUpdater with useDistributedStateUpdate=false.
> > > Solr will be using Overseer based cluster state updates.
> > >
> > > 2024-11-19 12:06:49.295 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.ZkController Publish node=localhost:8985_solr as DOWN
> > >
> > > 2024-11-19 12:06:49.534 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.ZkController Register node as live in
> > > ZooKeeper:/live_nodes/localhost:8985_solr
> > >
> > > 2024-11-19 12:06:49.824 INFO  (zkCallback-13-thread-1) [c: s: r: x:
> > > t:] o.a.s.c.c.ZkStateReader Updated live nodes from ZooKeeper... (2)
> > > -> (3)
> > >
> > > 2024-11-19 12:06:50.438 WARN  (main) [c: s: r: x: t:]
> > > o.a.s.c.CoreContainer Not all security plugins configured!
> > > authentication=disabled authorization=disabled.  Solr is only as
> > > secure as you make it. Consider configuring
> > > authentication/authorization before exposing Solr to users internal or
> > > external.  See https://s.apache.org/solrsecurity for more info
> > >
> > > 2024-11-19 12:07:09.157 WARN  (main) [c: s: r: x: t:]
> > > o.a.s.h.a.SystemInfoHandler Resolving canonical hostname for local
> > > host took 18.455 seconds, possible DNS misconfiguration. Set the
> > > 'solr.dns.prevent.reverse.lookup'  sysprop to true on startup to
> > > prevent future lookups if DNS can not be fixed.
> > >
> > > 2024-11-19 12:07:09.316 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.CorePropertiesLocator Found 3 core definitions underneath
> > > C:\Users\mschmidt\Entwicklung\solr-data\node3
> > >
> > > 2024-11-19 12:07:09.316 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.c.CorePropertiesLocator Cores are: [mdm_shard1_replica_n2,
> > > mdm_shard2_replica_n4, mdm_shard3_replica_n12]
> > >
> > > 2024-11-19 12:07:10.321 WARN  (main) [c: s: r: x: t:]
> > > o.g.j.m.i.MessagingBinders A class jakarta.activation.DataSource for a
> > > default provider MessageBodyWriter<jakarta.activation.DataSource> was
> > > not found. The provider is not available.
> > >
> > > 2024-11-19 12:07:10.634 INFO  (main) [c: s: r: x: t:]
> > > o.a.s.j.SolrRequestAuthorizer Creating a new SolrRequestAuthorizer
> > >
> > > 2024-11-19 12:07:11.987 INFO  (main) [c: s: r: x: t:]
> > > o.e.j.s.h.ContextHandler Started
> > > o.e.j.w.WebAppContext@9257031{solr-jetty-context.xml,/solr,file:///C:/
> > > Users/mschmidt/Programme/solr-9.6.0/server/solr-webapp/webapp/,AVAILAB
> > > LE}{C:\Users\mschmidt\Programme\solr-9.6.0\server/solr-webapp/webapp}
> > >
> > > 2024-11-19 12:07:12.003 INFO  (main) [c: s: r: x: t:]
> > > o.e.j.s.RequestLogWriter Opened
> > > C:\Users\mschmidt\Programme\solr-9.6.0\server\logs\2024_11_19.request.
> > > log
> > >
> > > 2024-11-19 12:07:12.023 INFO  (main) [c: s: r: x: t:]
> > > o.e.j.s.AbstractConnector Started ServerConnector@32cb636e{HTTP/1.1,
> > > (http/1.1, h2c)}{127.0.0.1:8985}
> > >
> > > 2024-11-19 12:07:12.025 INFO  (main) [c: s: r: x: t:] o.e.j.s.Server
> > > Started Server@61d9efe0{STARTING}[10.0.20,sto=0] @53989ms
> > >
> > > 2024-11-19 12:07:12.212 INFO
> > > (coreLoadExecutor-19-thread-1-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.c.SolrConfig Using Lucene MatchVersion: 8.11.1
> > >
> > > 2024-11-19 12:07:12.212 INFO
> > > (coreLoadExecutor-19-thread-3-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.c.SolrConfig Using Lucene MatchVersion: 8.11.1
> > >
> > > 2024-11-19 12:07:12.212 INFO
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.c.SolrConfig Using Lucene MatchVersion: 8.11.1
> > >
> > > 2024-11-19 12:07:12.268 WARN
> > > (coreLoadExecutor-19-thread-3-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.c.SolrConfig solrconfig.xml: <jmx> is no longer supported,
> > > use solr.xml:/metrics/reporter section instead
> > >
> > > 2024-11-19 12:07:12.268 WARN
> > > (coreLoadExecutor-19-thread-1-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.c.SolrConfig solrconfig.xml: <jmx> is no longer supported,
> > > use solr.xml:/metrics/reporter section instead
> > >
> > > 2024-11-19 12:07:12.268 WARN
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.c.SolrConfig solrconfig.xml: <jmx> is no longer supported,
> > > use solr.xml:/metrics/reporter section instead
> > >
> > > 2024-11-19 12:07:12.950 INFO
> > > (coreLoadExecutor-19-thread-1-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.s.IndexSchema Schema name=default-config
> > >
> > > 2024-11-19 12:07:12.950 INFO
> > > (coreLoadExecutor-19-thread-3-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.s.IndexSchema Schema name=default-config
> > >
> > > 2024-11-19 12:07:13.026 INFO
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.s.IndexSchema Schema name=default-config
> > >
> > > 2024-11-19 12:07:33.027 INFO
> > > (coreLoadExecutor-19-thread-3-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.s.IndexSchema Loaded schema default-config/1.6 with uniqueid
> > > field id
> > >
> > > 2024-11-19 12:07:33.094 INFO
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.s.IndexSchema Loaded schema default-config/1.6 with uniqueid
> > > field id
> > >
> > > 2024-11-19 12:07:33.155 INFO
> > > (coreLoadExecutor-19-thread-1-processing-localhost:8985_solr) [c: s: r:
> > x:
> > > t:] o.a.s.s.IndexSchema Loaded schema default-config/1.6 with uniqueid
> > > field id
> > >
> > > 2024-11-19 12:07:51.313 INFO  (qtp843299092-41-localhost-2) [c: s: r:
> x:
> > > t:localhost-2] o.a.s.s.HttpSolrCall [admin] webapp=null
> > > path=/admin/info/system params={wt=javabin&version=2&_=1732015224371}
> > > status=0 QTime=110
> > >
> > > 2024-11-19 12:07:55.146 INFO
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c:mdm
> > > s:shard2 r:core_node7 x:mdm_shard2_replica_n4 t:] o.a.s.c.SolrConfig
> > > Using Lucene MatchVersion: 8.11.1
> > >
> > > 2024-11-19 12:07:55.147 WARN
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c:mdm
> > > s:shard2 r:core_node7 x:mdm_shard2_replica_n4 t:] o.a.s.c.SolrConfig
> > > solrconfig.xml: <jmx> is no longer supported, use
> > > solr.xml:/metrics/reporter section instead
> > >
> > > 2024-11-19 12:07:55.566 INFO
> > > (coreLoadExecutor-19-thread-1-processing-localhost:8985_solr) [c:mdm
> > > s:shard1 r:core_node5 x:mdm_shard1_replica_n2 t:] o.a.s.c.SolrConfig
> > > Using Lucene MatchVersion: 8.11.1
> > >
> > > 2024-11-19 12:07:55.567 WARN
> > > (coreLoadExecutor-19-thread-1-processing-localhost:8985_solr) [c:mdm
> > > s:shard1 r:core_node5 x:mdm_shard1_replica_n2 t:] o.a.s.c.SolrConfig
> > > solrconfig.xml: <jmx> is no longer supported, use
> > > solr.xml:/metrics/reporter section instead
> > >
> > > 2024-11-19 12:07:55.707 INFO
> > > (coreLoadExecutor-19-thread-3-processing-localhost:8985_solr) [c:mdm
> > > s:shard3 r:core_node15 x:mdm_shard3_replica_n12 t:] o.a.s.c.SolrConfig
> > > Using Lucene MatchVersion: 8.11.1
> > >
> > > 2024-11-19 12:07:55.709 WARN
> > > (coreLoadExecutor-19-thread-3-processing-localhost:8985_solr) [c:mdm
> > > s:shard3 r:core_node15 x:mdm_shard3_replica_n12 t:] o.a.s.c.SolrConfig
> > > solrconfig.xml: <jmx> is no longer supported, use
> > > solr.xml:/metrics/reporter section instead
> > >
> > > 2024-11-19 12:07:55.766 INFO
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c:mdm
> > > s:shard2 r:core_node7 x:mdm_shard2_replica_n4 t:] o.a.s.s.IndexSchema
> > > Schema name=default-config
> > >
> > > 2024-11-19 12:07:56.066 INFO
> > > (coreLoadExecutor-19-thread-1-processing-localhost:8985_solr) [c:mdm
> > > s:shard1 r:core_node5 x:mdm_shard1_replica_n2 t:] o.a.s.s.IndexSchema
> > > Schema name=default-config
> > >
> > > 2024-11-19 12:07:56.286 INFO
> > > (coreLoadExecutor-19-thread-3-processing-localhost:8985_solr) [c:mdm
> > > s:shard3 r:core_node15 x:mdm_shard3_replica_n12 t:]
> > > o.a.s.s.IndexSchema Schema name=default-config
> > >
> > > 2024-11-19 12:08:09.647 ERROR
> > > (coreLoadExecutor-19-thread-2-processing-localhost:8985_solr) [c:mdm
> > > s:shard2 r:core_node7 x:mdm_shard2_replica_n4 t:]
> > > o.a.s.c.CoreContainer SolrCore failed to load on startup =>
> > org.apache.solr.common.SolrException:
> > > Unable to create core [mdm_shard2_replica_n4]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1750)
> > >
> > > org.apache.solr.common.SolrException: Unable to create core
> > > [mdm_shard2_replica_n4]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1750)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.lambda$loadInternal$12(CoreContaine
> > > r.java:1057)
> > > ~[?:?]
> > >
> > >         at
> > > com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.
> > > run(InstrumentedExecutorService.java:212)
> > > ~[metrics-core-4.2.25.jar:4.2.25]
> > >
> > >         at
> > > java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executor
> > > s.java:572)
> > > ~[?:?]
> > >
> > >         at
> > > java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.la
> > > mbda$execute$0(ExecutorUtil.java:312)
> > > ~[?:?]
> > >
> > >         at
> > > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
> > > Executor.java:1144)
> > > ~[?:?]
> > >
> > >         at
> > > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
> > > lExecutor.java:642)
> > > ~[?:?]
> > >
> > >         at java.base/java.lang.Thread.run(Thread.java:1570) [?:?]
> > >
> > > Caused by: org.apache.solr.common.SolrException: Could not load conf
> > > for core mdm_shard2_replica_n4: Error loading parsing schema
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.loadConfigSet(ConfigSetService.j
> > > ava:278)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1707)
> > > ~[?:?]
> > >
> > >         ... 8 more
> > >
> > > Caused by: org.apache.solr.common.SolrException: Error loading parsing
> > > schema
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:290)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:54)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetServi
> > > ce.java:357)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.lambda$loadConfigSet$0(ConfigSet
> > > Service.java:268)
> > > ~[?:?]
> > >
> > >         at org.apache.solr.core.ConfigSet.<init>(ConfigSet.java:49)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.loadConfigSet(ConfigSetService.j
> > > ava:264)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1707)
> > > ~[?:?]
> > >
> > >         ... 8 more
> > >
> > > Caused by: org.apache.solr.common.SolrException: Can't load schema
> null:
> > > java.io.IOException: Error opening
> > > /configs/mdm/lang/contractions_fr.txt
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:663)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:193)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchema.<init>(ManagedIndexSchema.ja
> > > va:113)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:288)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:54)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetServi
> > > ce.java:357)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.lambda$loadConfigSet$0(ConfigSet
> > > Service.java:268)
> > > ~[?:?]
> > >
> > >         at org.apache.solr.core.ConfigSet.<init>(ConfigSet.java:49)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.loadConfigSet(ConfigSetService.j
> > > ava:264)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1707)
> > > ~[?:?]
> > >
> > >         ... 8 more
> > >
> > > Caused by: org.apache.solr.common.SolrException: java.io.IOException:
> > > Error opening /configs/mdm/lang/contractions_fr.txt
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.informResourceLoaderAwareObjectsInC
> > > hain(IndexSchema.java:2098)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.informResourceLoaderAwareObjectsFor
> > > FieldType(IndexSchema.java:2008)
> > > ~[?:?]
> > >
> > >         at
> > > java.base/java.util.HashMap$Values.forEach(HashMap.java:1073)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.postReadInform(IndexSchema.java:685
> > > )
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:659)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:193)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchema.<init>(ManagedIndexSchema.ja
> > > va:113)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:288)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:54)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetServi
> > > ce.java:357)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.lambda$loadConfigSet$0(ConfigSet
> > > Service.java:268)
> > > ~[?:?]
> > >
> > >         at org.apache.solr.core.ConfigSet.<init>(ConfigSet.java:49)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.loadConfigSet(ConfigSetService.j
> > > ava:264)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1707)
> > > ~[?:?]
> > >
> > >         ... 8 more
> > >
> > > Caused by: java.io.IOException: Error opening
> > > /configs/mdm/lang/contractions_fr.txt
> > >
> > >         at
> > > org.apache.solr.cloud.ZkSolrResourceLoader.openResource(ZkSolrResource
> > > Loader.java:110)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.lucene.analysis.AbstractAnalysisFactory.getLines(AbstractAn
> > > alysisFactory.java:301)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.lucene.analysis.AbstractAnalysisFactory.getWordSet(Abstract
> > > AnalysisFactory.java:292)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.lucene.analysis.util.ElisionFilterFactory.inform(ElisionFil
> > > terFactory.java:73)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.SolrResourceLoader.informAware(SolrResourceLoader
> > > .java:766)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.informResourceLoaderAwareObjectsInC
> > > hain(IndexSchema.java:2096)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.informResourceLoaderAwareObjectsFor
> > > FieldType(IndexSchema.java:2008)
> > > ~[?:?]
> > >
> > >         at
> > > java.base/java.util.HashMap$Values.forEach(HashMap.java:1073)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.postReadInform(IndexSchema.java:685
> > > )
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:659)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:193)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchema.<init>(ManagedIndexSchema.ja
> > > va:113)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:288)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:54)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetServi
> > > ce.java:357)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.lambda$loadConfigSet$0(ConfigSet
> > > Service.java:268)
> > > ~[?:?]
> > >
> > >         at org.apache.solr.core.ConfigSet.<init>(ConfigSet.java:49)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.loadConfigSet(ConfigSetService.j
> > > ava:264)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1707)
> > > ~[?:?]
> > >
> > >         ... 8 more
> > >
> > > Caused by: java.lang.InterruptedException
> > >
> > >         at java.base/java.lang.Object.wait0(Native Method) ~[?:?]
> > >
> > >         at java.base/java.lang.Object.wait(Object.java:375) ~[?:?]
> > >
> > >         at java.base/java.lang.Object.wait(Object.java:348) ~[?:?]
> > >
> > >         at
> > > org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1577)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1549)
> > > ~[?:?]
> > >
> > >         at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1864)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.common.cloud.SolrZkClient.lambda$exists$3(SolrZkClient
> > > .java:395)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecuto
> > > r.java:70)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.common.cloud.SolrZkClient.exists(SolrZkClient.java:395
> > > )
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.cloud.ZkController.pathExists(ZkController.java:1236)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.cloud.ZkSolrResourceLoader.openResource(ZkSolrResource
> > > Loader.java:88)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.lucene.analysis.AbstractAnalysisFactory.getLines(AbstractAn
> > > alysisFactory.java:301)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.lucene.analysis.AbstractAnalysisFactory.getWordSet(Abstract
> > > AnalysisFactory.java:292)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.lucene.analysis.util.ElisionFilterFactory.inform(ElisionFil
> > > terFactory.java:73)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.SolrResourceLoader.informAware(SolrResourceLoader
> > > .java:766)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.informResourceLoaderAwareObjectsInC
> > > hain(IndexSchema.java:2096)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.informResourceLoaderAwareObjectsFor
> > > FieldType(IndexSchema.java:2008)
> > > ~[?:?]
> > >
> > >         at
> > > java.base/java.util.HashMap$Values.forEach(HashMap.java:1073)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.postReadInform(IndexSchema.java:685
> > > )
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.readSchema(IndexSchema.java:659)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.IndexSchema.<init>(IndexSchema.java:193)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchema.<init>(ManagedIndexSchema.ja
> > > va:113)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:288)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.schema.ManagedIndexSchemaFactory.create(ManagedIndexSc
> > > hemaFactory.java:54)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.createIndexSchema(ConfigSetServi
> > > ce.java:357)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.lambda$loadConfigSet$0(ConfigSet
> > > Service.java:268)
> > > ~[?:?]
> > >
> > >         at org.apache.solr.core.ConfigSet.<init>(ConfigSet.java:49)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.ConfigSetService.loadConfigSet(ConfigSetService.j
> > > ava:264)
> > > ~[?:?]
> > >
> > >         at
> > > org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.
> > > java:1707)
> > > ~[?:?]
> > >
> > >         ... 8 more
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > *Mihael SchmidtSoftware Engineering Bauformat Küchen GmbH & Co. KG*
> > > Kattwinkel 1 | 32584 Löhne | Deutschland
> > >
> > > Fon: +495732 102-379
> > > Fax: +495732 102-300
> > > Mail: mschm...@bauformat.de
> > > Internet: www.bauformat.de
> > >
> > >
> > >
> > > Umsatzsteuer-Identifikationsnummer: *DE 124323068 *- Steuer-Nr.:
> > > 310/5705/0461 / Finanzamt Bünde - Handelsregister Bad Oeynhausen HRA
> > > 1801
> > > Komplementärin: Bauformat Küchen Verwaltungs GmbH - Handelsregister
> > > Bad Oeynhausen HRB 1465
> > > Geschäftsführer: Michael Assner, Matthias Berens, Sabine
> > > Brockschnieder
> > >
> > > <https://www.baumannacademy.com/anmelden>
> > >
> > > Wir erfüllen unsere Informationspflichten zum Datenschutz gem. Artt.
> > > 13-14 DS-GVO durch Veröffentlichung auf unserer Internetseite unter:
> > > www.bauformat.de/datenschutz oder durch Zusendung auf Ihre formlose
> > > Anfrage.
> > >
> > > *Von:* Matthias Krüger <mkrue...@opensourceconnections.com>
> > > *Gesendet:* Dienstag, 19. November 2024 13:48
> > > *An:* Schmidt, Mihael <mschm...@bauformat.de>
> > > *Betreff:* Re: Solr Cloud Node not coming up
> > >
> > >
> > >
> > >
> > >
> > > Hi Mihael,
> > >
> > >
> > >
> > > Just a quick observation: 3 shards and replication factor 3 means that
> > > you split your index into 3 partitions (or "shards") and have 3 copies
> > > of every partition. I would refrain from sharding until you really
> > > need it
> > > (roughly: index size much larger than RAM, very high update rate
> > > etc.), so keep shards=1 and replication factor=3 for your 3 node
> cluster.
> > >
> > >
> > >
> > > To examine the behaviour you have experienced (node not coming up),
> > > we'd need the exact steps and log output.
> > >
> > >
> > >
> > > Kind regards
> > >
> > > Matthias
> > >
> > >
> > >
> > >
> > >
> > > On Tue, Nov 19, 2024 at 10:51 AM Schmidt, Mihael
> > > <mschm...@bauformat.de>
> > > wrote:
> > >
> > > Hi,
> > >
> > >
> > >
> > > I am trying to set up a Solr cluster. I have installed a Zookeeper
> > > cluster which works fine. I have set up 3 Solr nodes and created a
> > > collection with „number of shards: 3“ and „replication factor: 3“. As
> > > far as I understand it every node has every shard and contains a full
> > > replication of the whole data. So far so good. I have added some data
> > > and done some queries. All worked fine.
> > >
> > >
> > >
> > > Now I wanted to test an outage of one node and killed one Solr node.
> > > The Solr cluster keeps on functioning. Queries and updates of the
> > > index work fine.
> > >
> > >
> > >
> > > But when I start the node again it is gets some error message that it
> > > could not load the core. I stopped that node again. Deleted all the
> > > data in its data home folder and started the node again. Now I don’t
> > > get any errors but the node won’t load any data. Under Cloud -> Nodes
> > > it says in the column „Replicas“ that all replicas on that node are
> down.
> > >
> > >
> > >
> > > Queries to the restarted node will be successfully answered by that
> node.
> > >
> > >
> > >
> > > In Zookeeper i see that the restarted node is listed under live_nodes
> > > and overseer_elect -> leader election.
> > >
> > >
> > >
> > > How do I get that node up and running again?
> > >
> > >
> > >
> > > I am using Solr 9.6.0 and running Windows 10.
> > >
> > >
> > >
> > > Thanks in advance.
> > >
> > >
> > >
> > > Mihael
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > * Mihael Schmidt Software Engineering   Bauformat Küchen GmbH & Co. KG*
> > > Kattwinkel 1 | 32584 Löhne | Deutschland
> > >
> > > Fon: +495732 102-379
> > > Fax: +495732 102-300
> > > Mail: mschm...@bauformat.de
> > > Internet: www.bauformat.de
> > >
> > >
> > >
> > > Umsatzsteuer-Identifikationsnummer: *DE 124323068 *- Steuer-Nr.:
> > > 310/5705/0461 / Finanzamt Bünde - Handelsregister Bad Oeynhausen HRA
> > > 1801
> > > Komplementärin: Bauformat Küchen Verwaltungs GmbH - Handelsregister
> > > Bad Oeynhausen HRB 1465
> > > Geschäftsführer: Michael Assner, Matthias Berens, Sabine
> > > Brockschnieder
> > >
> > > <https://www.baumannacademy.com/anmelden>
> > >
> > > Wir erfüllen unsere Informationspflichten zum Datenschutz gem. Artt.
> > > 13-14 DS-GVO durch Veröffentlichung auf unserer Internetseite unter:
> > > www.bauformat.de/datenschutz oder durch Zusendung auf Ihre formlose
> > > Anfrage.
> > >
> > >
> >
> > --
> > Sincerely yours
> > Mikhail Khludnev
> >
>
>
> --
> Sincerely yours
> Mikhail Khludnev
>

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