I would not go for embedded ZooKeeper, but a dedicated zookeeper - ideally on different machines than the solr servers.
Check also the ZK logs - maybe the data got corrupted due to improper shutdown. > Am 23.02.2019 um 17:20 schrieb abhishek_itengg <devabhisitec...@gmail.com>: > > Facing an issue where SolrCloud cluster fails to initialize or come back up > post restart of the servers. I have a solrcloud setup with 3 solr nodes with > embedded zookeeper. Had to restart the servers due to windows patching. > Below is the error I get:- > > HTTP ERROR 500 > > Problem accessing /solr/. Reason: > > Server Error > Caused by: > > org.apache.solr.common.SolrException: Error processing the request. > CoreContainer is either not initialized or shutting down. at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:191) > at > org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:183) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127) > at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) > at > org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215) > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) > at org.eclipse.jetty.server.Server.handle(Server.java:499) at > org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310) at > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257) > at > org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555) > at java.lang.Thread.run(Thread.java:745 > > *The error log states that post restart it's unable to find solr.xml from > the SolrHome path:-* > > 2019-02-23 01:25:06.029 INFO (main) [ ] o.a.s.c.SolrResourceLoader Using > system property solr.solr.home: C:\solr\solr-6.6.2\server\solr > > 2019-02-23 01:25:36.841 ERROR (main) [ ] o.a.s.s.SolrDispatchFilter Could > not start Solr. Check solr/home property and the logs > > 2019-02-23 01:25:36.867 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(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) > at java.lang.reflect.Method.invoke(Unknown Source) > 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.util.concurrent.TimeoutException: Could not connect to ZooKeeper > 10.162.34.208:2181,10.162.37.23:2181,10.162.38.135:2181 within 30000 ms > at org.apache.solr.common.cloud.SolrZkClient.(SolrZkClient.java:183) > at org.apache.solr.common.cloud.SolrZkClient.(SolrZkClient.java:117) > at org.apache.solr.common.cloud.SolrZkClient.(SolrZkClient.java:112) > at org.apache.solr.common.cloud.SolrZkClient.(SolrZkClient.java:99) > at > org.apache.solr.servlet.SolrDispatchFilter.loadNodeConfig(SolrDispatchFilter.java:263) > ... 44 more > Caused by: java.util.concurrent.TimeoutException: Could not connect to > ZooKeeper 10.162.34.208:2181,10.162.37.23:2181,10.162.38.135:2181 within > 30000 ms > at > > > org.apache.solr.common.cloud.ConnectionManager.waitForConnected(ConnectionManager.java:233) > at org.apache.solr.common.cloud.SolrZkClient.(SolrZkClient.java:175) > ... 48 more > > > > > -- > Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html
