Details
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Bug
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Resolution: Unresolved
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Major
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None
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14.10.20
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None
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Unknown
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Description
After restrating SOLR and then XWiki, I noticed the following errors in the logs :
ERROR o.x.s.s.i.RemoteSolr - Failed to create the Solr client for core with name [events] org.xwiki.search.solr.SolrException: Failed to get the list of field types at org.xwiki.search.solr.AbstractSolrCoreInitializer.getFieldTypes(AbstractSolrCoreInitializer.java:176) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getFieldType(AbstractSolrCoreInitializer.java:399) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getVersion(AbstractSolrCoreInitializer.java:386) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getCurrentXWikiVersion(AbstractSolrCoreInitializer.java:362) at org.xwiki.search.solr.AbstractSolrCoreInitializer.initializeBaseSchema(AbstractSolrCoreInitializer.java:197) at org.xwiki.search.solr.AbstractSolrCoreInitializer.initialize(AbstractSolrCoreInitializer.java:160) at org.xwiki.search.solr.internal.AbstractSolr.getSynchronizedClient(AbstractSolr.java:95) at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1705) at org.xwiki.search.solr.internal.AbstractSolr.getClient(AbstractSolr.java:71) at org.xwiki.search.solr.internal.DefaultSolr.getClient(DefaultSolr.java:67) at org.xwiki.eventstream.store.solr.internal.SolrEventStore.initialize(SolrEventStore.java:159) at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39) at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365) at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451) at org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:201) at org.xwiki.eventstream.internal.DefaultEventStore.initialize(DefaultEventStore.java:102) at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39) at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365) at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451) at org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:201) at org.xwiki.component.embed.EmbeddableComponentManager.getDependencyInstance(EmbeddableComponentManager.java:406) at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:355) at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451) at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242) at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225) at org.xwiki.observation.internal.DefaultObservationManager.initializeListeners(DefaultObservationManager.java:166) at org.xwiki.observation.internal.DefaultObservationManager.getListenersByEvent(DefaultObservationManager.java:132) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:283) at org.xwiki.component.internal.StackingComponentEventManager.sendEvent(StackingComponentEventManager.java:151) at org.xwiki.component.internal.StackingComponentEventManager.flushEvents(StackingComponentEventManager.java:92) at org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:133) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4494) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4946) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:683) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:658) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:662) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1184) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1932) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1094) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:476) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1617) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:318) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423) at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:893) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:795) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1328) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1318) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:866) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:249) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:428) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:923) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.startup.Catalina.start(Catalina.java:772) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:347) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:478) Caused by: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at _URL_/solr/xwiki_events: SolrCore is loading at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:681) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:266) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248) at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:214) at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:231) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getFieldTypes(AbstractSolrCoreInitializer.java:174) ... 71 common frames omitted ERROR o.x.s.s.i.RemoteSolr - Failed to create the Solr client for core with name [extension_index] org.xwiki.search.solr.SolrException: Failed to get the list of field types at org.xwiki.search.solr.AbstractSolrCoreInitializer.getFieldTypes(AbstractSolrCoreInitializer.java:176) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getFieldType(AbstractSolrCoreInitializer.java:399) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getVersion(AbstractSolrCoreInitializer.java:386) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getCurrentXWikiVersion(AbstractSolrCoreInitializer.java:362) at org.xwiki.search.solr.AbstractSolrCoreInitializer.initializeBaseSchema(AbstractSolrCoreInitializer.java:197) at org.xwiki.search.solr.AbstractSolrCoreInitializer.initialize(AbstractSolrCoreInitializer.java:160) at org.xwiki.search.solr.internal.AbstractSolr.getSynchronizedClient(AbstractSolr.java:95) at java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1705) at org.xwiki.search.solr.internal.AbstractSolr.getClient(AbstractSolr.java:71) at org.xwiki.search.solr.internal.DefaultSolr.getClient(DefaultSolr.java:67) at org.xwiki.extension.index.internal.ExtensionIndexStore.initialize(ExtensionIndexStore.java:176) at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39) at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365) at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451) at org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:201) at org.xwiki.component.embed.EmbeddableComponentManager.getDependencyInstance(EmbeddableComponentManager.java:406) at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:355) at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451) at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242) at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225) at org.xwiki.observation.internal.DefaultObservationManager.initializeListeners(DefaultObservationManager.java:166) at org.xwiki.observation.internal.DefaultObservationManager.getListenersByEvent(DefaultObservationManager.java:132) at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:283) at org.xwiki.component.internal.StackingComponentEventManager.sendEvent(StackingComponentEventManager.java:151) at org.xwiki.component.internal.StackingComponentEventManager.flushEvents(StackingComponentEventManager.java:92) at org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:133) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4494) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4946) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:683) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:658) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:662) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1184) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1932) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1094) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:476) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1617) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:318) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423) at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:893) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:795) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1328) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1318) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:866) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:249) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:428) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:923) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.startup.Catalina.start(Catalina.java:772) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:347) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:478) Caused by: org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error from server at _URL_/solr/xwiki_extension_index: SolrCore is loading at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:681) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:266) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248) at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:214) at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:231) at org.xwiki.search.solr.AbstractSolrCoreInitializer.getFieldTypes(AbstractSolrCoreInitializer.java:174) ... 66 common frames omitted
Before restarting XWiki, the cores were displayed, therefore the assumption that SOLR finished loading. In fact, the loading was still not finished, as shown in the logs above, suggesting that there is no way right now with SolrJ to make the different between requests indicating that the core is initializing and XWiki should wait a bit, and the actual failing requests.