And how do you start Solr? Do you use the entire 3-node ensemble address?
On Mon, Jul 23, 2018 at 12:55 PM, Michael Braun <n3c...@gmail.com> wrote: > Per the exception, this looks like a network / DNS resolution issue, > independent of Solr and Zookeeper code: > > Caused by: org.apache.solr.common.SolrException: > java.net.UnknownHostException: ditsearch001.es.com: Name or service not > known > > Is this address actually resolvable at the time? > > On Mon, Jul 23, 2018 at 3:46 PM, Susheel Kumar <susheel2...@gmail.com> > wrote: > >> In usual circumstances when one Zookeeper goes down while others 2 are up, >> Solr continues to operate but when one of the ZK machine was not reachable >> with ping returning below results, Solr count't starts. See stack trace >> below >> >> ping: cannot resolve ditsearch001.es.com: Unknown host >> >> >> Setup: Solr 6.6.2 and Zookeeper 3.4.10 >> >> I had to remove this server name from the ZK_HOST list (solr.in.sh) in >> order to get Solr started. Ideally whatever issue is there as far as >> majority is there, Solr should get started. >> >> Has any one noticed this issue? >> >> Thnx >> >> 2018-07-23 15:30:47.218 INFO (main) [ ] o.e.j.s.Server >> jetty-9.3.14.v20161028 >> >> 2018-07-23 15:30:47.817 INFO (main) [ ] o.a.s.s.SolrDispatchFilter ___ >> _ Welcome to Apache Solr‚Ñ¢ version 6.6.2 >> >> 2018-07-23 15:30:47.829 INFO (main) [ ] o.a.s.s.SolrDispatchFilter / __| >> ___| |_ _ Starting in cloud mode on port 8080 >> >> 2018-07-23 15:30:47.830 INFO (main) [ ] o.a.s.s.SolrDispatchFilter \__ >> \/ _ \ | '_| Install dir: /opt/solr >> >> 2018-07-23 15:30:47.861 INFO (main) [ ] o.a.s.s.SolrDispatchFilter >> |___/\___/_|_| Start time: 2018-07-23T15:30:47.832Z >> >> 2018-07-23 15:30:47.863 INFO (main) [ ] o.a.s.s.StartupLoggingUtils >> Property solr.log.muteconsole given. Muting ConsoleAppender named CONSOLE >> >> 2018-07-23 15:30:47.929 INFO (main) [ ] o.a.s.c.SolrResourceLoader Using >> system property solr.solr.home: /app/solr/data >> >> 2018-07-23 15:30:48.037 ERROR (main) [ ] o.a.s.s.SolrDispatchFilter Could >> not start Solr. Check solr/home property and the logs >> >> 2018-07-23 15:30:48.235 ERROR (main) [ ] o.a.s.c.SolrCore >> null:org.apache.solr.common.SolrException: Error occurred while loading >> solr.xml from zookeeper >> >> at >> org.apache.solr.servlet.SolrDispatchFilter.loadNodeConfig( >> SolrDispatchFilter.java:270) >> >> at >> org.apache.solr.servlet.SolrDispatchFilter.createCoreContainer( >> SolrDispatchFilter.java:242) >> >> at >> org.apache.solr.servlet.SolrDispatchFilter.init( >> SolrDispatchFilter.java:173) >> >> at >> org.eclipse.jetty.servlet.FilterHolder.initialize(FilterHolder.java:137) >> >> at >> org.eclipse.jetty.servlet.ServletHandler.initialize( >> ServletHandler.java:873) >> >> at >> org.eclipse.jetty.servlet.ServletContextHandler.startContext( >> ServletContextHandler.java:349) >> >> at >> org.eclipse.jetty.webapp.WebAppContext.startWebapp( >> WebAppContext.java:1404) >> >> at >> org.eclipse.jetty.webapp.WebAppContext.startContext( >> WebAppContext.java:1366) >> >> at >> org.eclipse.jetty.server.handler.ContextHandler. >> doStart(ContextHandler.java:778) >> >> at >> org.eclipse.jetty.servlet.ServletContextHandler.doStart( >> ServletContextHandler.java:262) >> >> at >> org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:520) >> >> at >> org.eclipse.jetty.util.component.AbstractLifeCycle. >> start(AbstractLifeCycle.java:68) >> >> at >> org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding( >> StandardStarter.java:41) >> >> at >> org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:188) >> >> at >> org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal( >> DeploymentManager.java:499) >> >> at >> org.eclipse.jetty.deploy.DeploymentManager.addApp( >> DeploymentManager.java:147) >> >> at >> org.eclipse.jetty.deploy.providers.ScanningAppProvider. >> fileAdded(ScanningAppProvider.java:180) >> >> at >> org.eclipse.jetty.deploy.providers.WebAppProvider. >> fileAdded(WebAppProvider.java:458) >> >> at >> org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded( >> ScanningAppProvider.java:64) >> >> at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:610) >> >> at >> org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:529) >> >> at org.eclipse.jetty.util.Scanner.scan(Scanner.java:392) >> >> at org.eclipse.jetty.util.Scanner.doStart(Scanner.java:313) >> >> at >> org.eclipse.jetty.util.component.AbstractLifeCycle. >> start(AbstractLifeCycle.java:68) >> >> at >> org.eclipse.jetty.deploy.providers.ScanningAppProvider. >> doStart(ScanningAppProvider.java:150) >> >> at >> org.eclipse.jetty.util.component.AbstractLifeCycle. >> start(AbstractLifeCycle.java:68) >> >> at >> org.eclipse.jetty.deploy.DeploymentManager.startAppProvider( >> DeploymentManager.java:561) >> >> at >> org.eclipse.jetty.deploy.DeploymentManager.doStart( >> DeploymentManager.java:236) >> >> at >> org.eclipse.jetty.util.component.AbstractLifeCycle. >> start(AbstractLifeCycle.java:68) >> >> at >> org.eclipse.jetty.util.component.ContainerLifeCycle. >> start(ContainerLifeCycle.java:131) >> >> at org.eclipse.jetty.server.Server.start(Server.java:422) >> >> at >> org.eclipse.jetty.util.component.ContainerLifeCycle. >> doStart(ContainerLifeCycle.java:113) >> >> at >> org.eclipse.jetty.server.handler.AbstractHandler. >> doStart(AbstractHandler.java:61) >> >> at org.eclipse.jetty.server.Server.doStart(Server.java:389) >> >> at >> org.eclipse.jetty.util.component.AbstractLifeCycle. >> start(AbstractLifeCycle.java:68) >> >> at >> org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1516) >> >> at java.security.AccessController.doPrivileged(Native Method) >> >> at >> org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1441) >> >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: >> 62) >> >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke( >> DelegatingMethodAccessorImpl.java:43) >> >> at java.lang.reflect.Method.invoke(Method.java:498) >> >> at org.eclipse.jetty.start.Main.invokeMain(Main.java:214) >> >> at org.eclipse.jetty.start.Main.start(Main.java:457) >> >> at org.eclipse.jetty.start.Main.main(Main.java:75) >> >> Caused by: org.apache.solr.common.SolrException: >> java.net.UnknownHostException: ditsearch001.es.com: Name or service not >> known >> >> at >> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:171) >> >> at >> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:117) >> >> at >> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:112) >> >> at >> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:99) >> >> at >> org.apache.solr.servlet.SolrDispatchFilter.loadNodeConfig( >> SolrDispatchFilter.java:263) >> >> ... 44 more >> >> Caused by: java.net.UnknownHostException: ditsearch001.es.com: Name or >> service not known >> >> at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) >> >> at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928) >> >> at >> java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323) >> >> at java.net.InetAddress.getAllByName0(InetAddress.java:1276) >> >> at java.net.InetAddress.getAllByName(InetAddress.java:1192) >> >> at java.net.InetAddress.getAllByName(InetAddress.java:1126) >> >> at >> org.apache.zookeeper.client.StaticHostProvider.<init>( >> StaticHostProvider.java:61) >> >> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:445) >> >> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:380) >> >> at >> org.apache.solr.common.cloud.SolrZooKeeper.<init>(SolrZooKeeper.java:43) >> >> at >> org.apache.solr.common.cloud.ZkClientConnectionStrategy. >> createSolrZooKeeper(ZkClientConnectionStrategy.java:105) >> >> at >> org.apache.solr.common.cloud.DefaultConnectionStrategy.connect( >> DefaultConnectionStrategy.java:37) >> >> at >> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:146) >> >> ... 48 more >>
