Honestly, I've wondered about that myself. I find the Tomcat logs to be very
confusing. I stopped the service, cleared the logs, switched to 7.3 M1,  and started the
service. Here is what I find.
tomcat8-stdout.2015-10-26.log.
Here are the errors in order found without stack trace:
2015-10-26 07:20:38,329 [localhost-startStop-1] ERROR o.x.s.s.i.SolrInstanceProvider -
org.xwiki.component.manager.ComponentLookupException: Failed to lookup component
[org.xwiki.search.solr.internal.EmbeddedSolrInstance] identified by [role = [interface
org.xwiki.search.solr.internal.api.SolrInstance] hint = [embedded]]
Caused by: org.xwiki.component.phase.InitializationException: Failed to initialize the
Solr embedded server with home directory set to [\opt\tomcat7\data\solr]
Caused by: org.apache.solr.common.SolrException: Should not have found solr/@persistent
. Please upgrade your solr.xml:
https://cwiki.apache.org/confluence/display/solr/Format+of+solr.xml
2015-10-26 07:20:38,331 [localhost-startStop-1] ERROR .o.i.DefaultObservationManager -
Failed to lookup listeners
org.xwiki.component.manager.ComponentLookupException: Failed to lookup component [role =
[interface org.xwiki.observation.EventListener] hint = [solr.availablelocales]]
Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup
component [org.xwiki.search.solr.internal.SolrInstanceProvider] identified by [role =
[javax.inject.Provider<org.xwiki.search.solr.internal.api.SolrInstance>] hint =
[default]]
Caused by: org.xwiki.component.phase.InitializationException: Failed to lookup configured
Solr instance type [embedded]
Keith Davis (214) 906-5183
-----Original Message-----
From: users [mailto:users-bounces@xwiki.org] On Behalf Of Marius Dumitru Florea
Sent: Monday, October 26, 2015 5:17 AM
To: XWiki Users
Subject: Re: [xwiki-users] Version Update Problems (7.3 Milestone 1)
Is this the only thing that is logged from the moment you restart XWiki till after you
make the first request? The log you pasted doesn't seem to show the real problem.
On Sat, Oct 24, 2015 at 4:20 PM, Keith Davis <keithdavis(a)pridedallas.com>
wrote:
  I am trying to update from 7.2 to 7.3 Milestone 1.
 Almost every single time I do an update, I run into problems and
 either parts of the wiki don't work or it won't load at all.
 Right now, won't load at all. Blank screen. No error, no nothing. Logs
 are not helping.
 24-Oct-2015 08:07:08.398 INFO [Core extension repository updater]
 org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResource
 Loading Illegal access: this web application instance has been stopped
 already.
 Could not load
 [org.xwiki.extension.repository.xwiki.internal.XWikiExtension]. The
 following stack trace is thrown for debugging purposes as well as to
 attempt to terminate the thread which caused the illegal access.
 java.lang.IllegalStateException: Illegal access: this web application
 instance has been stopped already. Could not load
 [org.xwiki.extension.repository.xwiki.internal.XWikiExtension]. The
 following stack trace is thrown for debugging purposes as well as to
 attempt to terminate the thread which caused the illegal access.
                 at
org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1327)
                 at
org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1313)
                 at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1196)
                 at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1157)
                 at
org.xwiki.extension.repository.xwiki.internal.XWikiExtensionRepository.resolve(XWikiExtensionRepository.java:330)
                 at
org.xwiki.extension.repository.internal.DefaultExtensionRepositoryManager.resolve(DefaultExtensionRepositoryManager.java:213)
                 at
org.xwiki.extension.repository.internal.core.DefaultCoreExtensionScanner.updateExtensions(DefaultCoreExtensionScanner.java:187)
                 at
org.xwiki.extension.repository.internal.core.DefaultCoreExtensionRepository$1.run(DefaultCoreExtensionRepository.java:134)
                 at java.lang.Thread.run(Unknown Source)
 2015-10-24 08:11:03,743 [localhost-startStop-1] ERROR
 .o.i.DefaultObservationManager - Failed to lookup listeners
 org.xwiki.component.manager.ComponentLookupException: Failed to lookup
 component [role = [interface org.xwiki.observation.EventListener] hint
 = [solr.availablelocales]]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(Em
 beddableComponentManager.java:216)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(E
 mbeddableComponentManager.java:198)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.observation.internal.DefaultObservationManager.initializeLis
 teners(DefaultObservationManager.java:164)
 [xwiki-commons-observation-local-7.3-milestone-1.jar:na]
                 at
 org.xwiki.observation.internal.DefaultObservationManager.getListenersB
 yEvent(DefaultObservationManager.java:131)
 [xwiki-commons-observation-local-7.3-milestone-1.jar:na]
                 at
 org.xwiki.observation.internal.DefaultObservationManager.notify(Defaul
 tObservationManager.java:267)
 [xwiki-commons-observation-local-7.3-milestone-1.jar:na]
                 at
 org.xwiki.observation.internal.DefaultObservationManager.notify(Defaul
 tObservationManager.java:321)
 [xwiki-commons-observation-local-7.3-milestone-1.jar:na]
                 at
 org.xwiki.container.servlet.XWikiServletContextListener.contextInitial
 ized(XWikiServletContextListener.java:118)
 [xwiki-platform-container-servlet-7.3-milestone-1.jar:na]
                 at
 org.apache.catalina.core.StandardContext.listenerStart(StandardContext
 .java:4729)
 [catalina.jar:8.0.23]
                 at
 org.apache.catalina.core.StandardContext.startInternal(StandardContext
 .java:5167)
 [catalina.jar:8.0.23]
                 at
 org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
 [catalina.jar:8.0.23]
                 at
 org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.
 java:725)
 [catalina.jar:8.0.23]
                 at
 org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701
 )
 [catalina.jar:8.0.23]
                 at
 org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
 [catalina.jar:8.0.23]
                 at
 org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java
 :1101)
 [catalina.jar:8.0.23]
                 at
 org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.
 java:1786)
 [catalina.jar:8.0.23]
                 at
 java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
 [na:1.8.0_60]
                 at java.util.concurrent.FutureTask.run(Unknown Source)
 [na:1.8.0_60]
                 at
 java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
 [na:1.8.0_60]
                 at
 java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
 [na:1.8.0_60]
                 at java.lang.Thread.run(Unknown Source) [na:1.8.0_60]
 Caused by: org.xwiki.component.manager.ComponentLookupException:
 Failed to lookup component
 [org.xwiki.search.solr.internal.SolrInstanceProvider]
 identified by [role =
 [javax.inject.Provider<org.xwiki.search.solr.internal.api.SolrInstance
 ] 
 hint = [default]]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getComponentInsta
 nce(EmbeddableComponentManager.java:394)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getInstance(Embed
 dableComponentManager.java:190)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getDependencyInst
 ance(EmbeddableComponentManager.java:356)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.createInstance(Em
 beddableComponentManager.java:312)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getComponentInsta
 nce(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(Em
 beddableComponentManager.java:214)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 ... 19 common frames omitted Caused by:
 org.xwiki.component.phase.InitializationException: Failed to lookup
 configured Solr instance type [embedded]
                 at
 org.xwiki.search.solr.internal.SolrInstanceProvider.initialize(SolrIns
 tanceProvider.java:74)
 ~[xwiki-platform-search-solr-api-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.InitializableLifecycleHandler.handle(Initial
 izableLifecycleHandler.java:39)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.createInstance(Em
 beddableComponentManager.java:322)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getComponentInsta
 nce(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 at
 org.xwiki.component.embed.EmbeddableComponentManager.getComponentInsta
 nce(EmbeddableComponentManager.java:392)
 ~[xwiki-commons-legacy-component-default-7.3-milestone-1.jar:na]
                 ... 24 common frames omitted
 _______________________________________________
 users mailing list
 users(a)xwiki.org
 
http://lists.xwiki.org/mailman/listinfo/users
 _______________________________________________
users mailing list
users(a)xwiki.org
http://lists.xwiki.org/mailman/listinfo/users