> On 24 May 2016, at 19:17, Mahomed Hussein <maho...@custodiandc.com> wrote:
> 
> You are correct about the version of java
> 
> root@xWiki:~# java -version
> java version "1.7.0_101"
> OpenJDK Runtime Environment (IcedTea 2.6.6) (7u101-2.6.6-0ubuntu0.14.04.1)
> OpenJDK 64-Bit Server VM (build 24.95-b01, mixed mode)
> root@xWiki:~# ll /etc/alternatives/java
> lrwxrwxrwx 1 root root 46 Mar  8  2015 /etc/alternatives/java -> 
> /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java*
> 
> Just found an old post of yours :) - 
> http://lists.xwiki.org/pipermail/users/2014-August/028873.html
> 
> OK, let me look into upgrading Java  {grumble grumble java grumble grumble}

Sorry about that :)

Make sure to always check the release notes:
http://www.xwiki.org/xwiki/bin/view/ReleaseNotes/ReleaseNotesXWiki81

Thanks
-Vincent

PS: Shouldn’t the deb upgrade also upgrade java? That looks like a bug to me.

> Kind regards,
> 
> 
> 
> 
> Mahomed Hussein
> Custodian Data Centre
> Email: maho...@custodiandc.com
> http://www.CustodianDC.com
> 
> -----Original Message-----
> From: users [mailto:users-boun...@xwiki.org] On Behalf Of Vincent Massol
> Sent: 24 May 2016 18:14
> To: XWiki Users <users@xwiki.org>
> Subject: Re: [xwiki-users] XWiki 8.1 returning error 404
> 
> This means you’re using java 7 but XWiki 8.1 requires java 8.
> 
> Thanks
> -Vincent
> 
>> On 24 May 2016, at 19:10, Mahomed Hussein <maho...@custodiandc.com> wrote:
>> 
>> I've found another log file which may have a more useful error message
>> (to someone else who knows more :) )
>> 
>> root@xWiki:~# cat /var/log/tomcat7/localhost.2016-05-24.log
>> May 24, 2016 3:14:10 PM org.apache.catalina.core.StandardContext
>> listenerStart
>> SEVERE: Error configuring application listener of class
>> org.xwiki.container.servlet.XWikiServletContextListener
>> java.lang.UnsupportedClassVersionError: 
>> org/xwiki/container/servlet/XWikiServletContextListener : Unsupported 
>> major.minor version 52.0 (unable to load class 
>> org.xwiki.container.servlet.XWikiServletContextListener)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2948)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1208)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1688)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569)
>>       at 
>> org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:529)
>>       at 
>> org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:511)
>>       at 
>> org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
>>       at 
>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4888)
>>       at 
>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467)
>>       at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>       at 
>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>       at 
>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>       at 
>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>       at 
>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>       at 
>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>       at 
>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>       at 
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>       at 
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>       at java.lang.Thread.run(Thread.java:745)
>> 
>> May 24, 2016 3:14:10 PM org.apache.catalina.core.StandardContext
>> listenerStart
>> SEVERE: Error configuring application listener of class
>> org.xwiki.container.servlet.SetThreadNameServletRequestListener
>> java.lang.UnsupportedClassVersionError: 
>> org/xwiki/container/servlet/SetThreadNameServletRequestListener : 
>> Unsupported major.minor version 52.0 (unable to load class 
>> org.xwiki.container.servlet.SetThreadNameServletRequestListener)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2948)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1208)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1688)
>>       at 
>> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569)
>>       at 
>> org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:529)
>>       at 
>> org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:511)
>>       at 
>> org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)
>>       at 
>> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4888)
>>       at 
>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467)
>>       at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>       at 
>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>       at 
>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>       at 
>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>       at 
>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>       at 
>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>       at 
>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>       at 
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>       at 
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>       at java.lang.Thread.run(Thread.java:745)
>> 
>> 
>> Kind regards,
>> 
>> 
>> 
>> 
>> Mahomed Hussein
>> Custodian Data Centre
>> Email: maho...@custodiandc.com
>> http://www.CustodianDC.com
>> 
>> -----Original Message-----
>> From: users [mailto:users-boun...@xwiki.org] On Behalf Of Mahomed
>> Hussein
>> Sent: 24 May 2016 18:05
>> To: XWiki Users <users@xwiki.org>
>> Subject: Re: [xwiki-users] XWiki 8.1 returning error 404
>> 
>> Sorry, I know everyone is busy and Vincent and Thomas have tried to help. I 
>> am quite desperate though.
>> 
>> Looking at this bit of log, it seems at some point Tomcat has tried to load 
>> the site and was looking for the 8.0 jar files. How can I tell it to look 
>> for the 8.1 jar files?
>> 
>> May 24, 2016 3:13:32 PM org.apache.coyote.AbstractProtocol stop
>> INFO: Stopping ProtocolHandler ["http-bio-8080"] May 24, 2016 3:13:32
>> PM org.apache.coyote.AbstractProtocol destroy
>> INFO: Destroying ProtocolHandler ["http-bio-8080"] May 24, 2016
>> 3:13:34 PM org.apache.coyote.AbstractProtocol init
>> INFO: Initializing ProtocolHandler ["http-bio-8080"] May 24, 2016
>> 3:13:34 PM org.apache.catalina.startup.Catalina load
>> INFO: Initialization processed in 709 ms May 24, 2016 3:13:34 PM
>> org.apache.catalina.core.StandardService startInternal
>> INFO: Starting service Catalina
>> May 24, 2016 3:13:34 PM org.apache.catalina.core.StandardEngine
>> startInternal
>> INFO: Starting Servlet Engine: Apache Tomcat/7.0.52 (Ubuntu) May 24,
>> 2016 3:13:34 PM org.apache.catalina.startup.HostConfig
>> deployDescriptor
>> INFO: Deploying configuration descriptor
>> /etc/tomcat7/Catalina/localhost/xwiki.xml
>> May 24, 2016 3:13:40 PM org.apache.coyote.AbstractProtocol init
>> INFO: Initializing ProtocolHandler ["http-bio-8080"] May 24, 2016
>> 3:13:40 PM org.apache.catalina.startup.Catalina load
>> INFO: Initialization processed in 590 ms May 24, 2016 3:13:40 PM
>> org.apache.catalina.core.StandardService startInternal
>> INFO: Starting service Catalina
>> May 24, 2016 3:13:40 PM org.apache.catalina.core.StandardEngine
>> startInternal
>> INFO: Starting Servlet Engine: Apache Tomcat/7.0.52 (Ubuntu) May 24,
>> 2016 3:13:40 PM org.apache.catalina.startup.HostConfig
>> deployDescriptor
>> INFO: Deploying configuration descriptor
>> /etc/tomcat7/Catalina/localhost/xwiki.xml
>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>> processAnnotationsJar
>> SEVERE: contextConfig.jarFile
>> java.io.FileNotFoundException: 
>> /usr/lib/xwiki/WEB-INF/lib/log4j-over-slf4j-1.7.18-xwiki-1.jar (No such file 
>> or directory)
>>       at java.util.zip.ZipFile.open(Native Method)
>> 
>> 
>> Kind regards,
>> 
>> 
>> 
>> 
>> Mahomed Hussein
>> Custodian Data Centre
>> Email: maho...@custodiandc.com
>> http://www.CustodianDC.com
>> 
>> -----Original Message-----
>> From: users [mailto:users-boun...@xwiki.org] On Behalf Of Mahomed
>> Hussein
>> Sent: 24 May 2016 17:40
>> To: XWiki Users <users@xwiki.org>
>> Subject: Re: [xwiki-users] XWiki 8.1 returning error 404
>> 
>> Hi
>> 
>> No, we never made it the root application. The site has always been 
>> http://xwiki.cdc.local:8080/xwiki.
>> 
>> Below are listings of the file referred to in the link.
>> 
>> ======================================================================
>> ============== root@xWiki:/etc/tomcat7/Catalina/localhost# ll total 8
>> drwxrwxr-x 2 root tomcat7 4096 May 24 15:13 ./ drwxrwxr-x 3 root tomcat7 
>> 4096 Mar  8  2015 ../
>> lrwxrwxrwx 1 root root      28 May 24 11:32 xwiki.xml -> 
>> /etc/xwiki/xwiki-tomcat7.xml
>> 
>> 
>> root@xWiki:/etc/xwiki# ll
>> total 212
>> drwxr-xr-x   7 root root  4096 May 24 15:13 ./
>> drwxr-xr-x 119 root root  4096 May 24 16:28 ../
>> drwxr-xr-x   4 root root  4096 Mar  8  2015 cache/
>> drwxr-xr-x   3 root root  4096 May 24 15:13 classes/
>> drwxr-xr-x   2 root root  4096 Feb 26  2015 extensions/
>> drwxr-xr-x   2 root root  4096 May 24 15:13 fonts/
>> -rw-r--r--   1 root root 12321 May 24 15:13 hibernate.cfg.xml
>> -rw-r--r--   1 root root  2022 Feb 26  2015 jboss-deployment-structure.xml
>> drwxr-xr-x   3 root root  4096 Mar  8  2015 observation/
>> -rw-r--r--   1 root root  2076 Mar 31  2015 portlet.xml
>> -rw-r--r--   1 root root 15610 Mar 31  2015 struts-config.xml
>> -rw-r--r--   1 root root  1328 Mar 31  2015 sun-web.xml
>> -rw-r--r--   1 root root    12 May 24 11:32 version.properties
>> -rw-r--r--   1 root root 16927 Mar 15 16:38 web.xml
>> -rw-r--r--   1 root root 35035 May 24 11:32 xwiki.cfg
>> -rw-r--r--   1 root root 33149 Feb 26  2015 xwiki.cfg.dpkg-old
>> -rw-r--r--   1 root root 35522 May 24 11:32 xwiki.properties
>> -rw-r--r--   1 root root  1257 May 29  2015 xwiki-tomcat7.xml
>> -rw-r--r--   1 root root  1257 Feb 26  2015 xwiki-tomcat.xml
>> 
>> 
>> root@xWiki:/etc/xwiki# cat xwiki-tomcat7.xml <?xml version="1.0"
>> encoding="UTF-8"?>
>> 
>> <!--
>> *
>> * See the NOTICE file distributed with this work for additional
>> * information regarding copyright ownership.
>> *
>> * This is free software; you can redistribute it and/or modify it
>> * under the terms of the GNU Lesser General Public License as
>> * published by the Free Software Foundation; either version 2.1 of
>> * the License, or (at your option) any later version.
>> *
>> * This software is distributed in the hope that it will be useful,
>> * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>> * Lesser General Public License for more details.
>> *
>> * You should have received a copy of the GNU Lesser General Public
>> * License along with this software; if not, write to the Free
>> * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
>> * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
>> *
>> -->
>> 
>> <!-- Context configuration file for the XWiki Web App -->
>> 
>> <Context path="/xwiki" docBase="/usr/lib/xwiki" privileged="true"
>> allowLinking="true" crossContext="true">
>> <!-- make symlinks work in Tomcat -->  <Resources
>> className="org.apache.naming.resources.FileDirContext"
>>   allowLinking="true" />
>> </Context>
>> 
>> ====================================================
>> 
>> 
>> 
>> Kind regards,
>> 
>> 
>> 
>> 
>> Mahomed Hussein
>> Custodian Data Centre
>> Email: maho...@custodiandc.com
>> http://www.CustodianDC.com
>> 
>> -----Original Message-----
>> From: users [mailto:users-boun...@xwiki.org] On Behalf Of Thomas
>> Mortagne
>> Sent: 24 May 2016 17:32
>> To: XWiki Users <users@xwiki.org>
>> Subject: Re: [xwiki-users] XWiki 8.1 returning error 404
>> 
>> If you made XWiki the root application in Tomcat at some point you might 
>> want to look at the warning in 
>> http://platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationViaAPT#HXWikiasrootwebapp.
>> 
>> On Tue, May 24, 2016 at 6:22 PM, Mahomed Hussein <maho...@custodiandc.com> 
>> wrote:
>>> I've also checked for the files it says it can't load such as 
>>> xwiki-commons-configuration-api-8.0.jar and confirm that the file does not 
>>> exist, but xwiki-commons-configuration-api-8.1.jar does exist.
>>> 
>>> 
>>> Kind regards,
>>> 
>>> 
>>> 
>>> 
>>> Mahomed Hussein
>>> Custodian Data Centre
>>> Email: maho...@custodiandc.com
>>> http://www.CustodianDC.com
>>> 
>>> -----Original Message-----
>>> From: users [mailto:users-boun...@xwiki.org] On Behalf Of Mahomed
>>> Hussein
>>> Sent: 24 May 2016 17:16
>>> To: XWiki Users <users@xwiki.org>
>>> Subject: Re: [xwiki-users] XWiki 8.1 returning error 404
>>> 
>>>> I guess it means you made apt-get update/upgrade automatic which is 
>>>> usually not a great idea.
>>> 
>>> Yes you are right. It was on my list to disable this
>>> 
>>> 
>>>> Could you confirm you are using XWiki Debian packages ?
>>> 
>>> Yes I confirm it's the debian packages. All installed via apt-get
>>> install
>>> 
>>> 
>>>> Logs
>>> 
>>> I have looked at the local access log and can see the last successful visit 
>>> to the system was at 13:46 and then the next entry was at 16:23 when I got 
>>> the error.
>>> 
>>> The log file is quite long, I can share it via pastebin or some other 
>>> method if you prefer.
>>> 
>>> Thanks for the help.
>>> 
>>> 
>>> ===========================================
>>> 10.0.5.62 - - [24/May/2016:13:46:33 +0100] "GET
>>> /xwiki/bin/get/XWiki/DocumentTree?outputSyntax=plain&showAttachments=
>>> f
>>> alse&showTranslations=false&&data=children&id=document%3Axwiki%3ANOC.
>>> W
>>> ebHome HTTP/1.1" 200 8492
>>> 10.0.5.61 - - [24/May/2016:16:23:22 +0100] "GET
>>> /xwiki/bin/view/Main/Search?text=backup&f_type=DOCUMENT&f_locale=en&f
>>> _
>>> locale=&r=1 HTTP/1.1" 404 1021
>>> 10.0.5.61 - - [24/May/2016:16:23:23 +0100] "GET /favicon.ico HTTP/1.1"
>>> 404 991
>>> 10.0.5.61 - - [24/May/2016:16:23:32 +0100] "GET
>>> /xwiki/bin/view/Main/Search?text=backup&f_type=DOCUMENT&f_locale=en&f
>>> _
>>> locale=&r=1 HTTP/1.1" 404 1021
>>> 10.0.5.61 - - [24/May/2016:16:23:37 +0100] "GET /xwiki/ HTTP/1.1" 404
>>> 981
>>> 10.0.5.61 - - [24/May/2016:16:23:47 +0100] "GET /xwiki/bin/view/Main/
>>> HTTP/1.1" 404 1009 ===========================================
>>> 
>>> 
>>> 
>>> From about 15:00 we started getting errors in catalina.out. Also
>>> notice how the time changes from using 24 Hour notation to 12 hour
>>> notation (excessively repeated events truncated)
>>> 
>>> ===========================================
>>> 
>>> 2016-05-24 15:00:00,001 [DefaultQuartzScheduler_Worker-10] ERROR 
>>> o.q.c.ErrorLogger              - Job 
>>> (DEFAULT.xwiki:Scheduler.WatchListHourlyNotifier_0 threw an exception.
>>> org.quartz.SchedulerException: Job threw an unhandled exception.
>>>       at org.quartz.core.JobRunShell.run(JobRunShell.java:213)
>>>       at
>>> org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.j
>>> a
>>> va:573) Caused by: java.lang.RuntimeException: Failed to load
>>> component for type [interface org.xwiki.context.ExecutionContextManager] 
>>> for hint [default]
>>>       at com.xpn.xwiki.web.Utils.getComponent(Utils.java:758)
>>>       at com.xpn.xwiki.web.Utils.getComponent(Utils.java:781)
>>>       at com.xpn.xwiki.web.Utils.getComponent(Utils.java:734)
>>>       at 
>>> com.xpn.xwiki.plugin.scheduler.AbstractJob.execute(AbstractJob.java:56)
>>>       at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
>>>       ... 1 common frames omitted
>>> Caused by: org.xwiki.component.manager.ComponentLookupException: Can't find 
>>> descriptor for the component [role = [interface 
>>> org.xwiki.context.ExecutionContextManager] hint = [default]]
>>>       at 
>>> org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:401)
>>>       at 
>>> org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:190)
>>>       at com.xpn.xwiki.web.Utils.getComponent(Utils.java:756)
>>>       ... 5 common frames omitted
>>> May 24, 2016 3:13:16 PM org.apache.coyote.AbstractProtocol pause
>>> INFO: Pausing ProtocolHandler ["http-bio-8080"] May 24, 2016 3:13:16
>>> PM org.apache.catalina.core.StandardService stopInternal
>>> INFO: Stopping service Catalina
>>> 2016-05-24 15:13:32,469 [localhost-startStop-2] WARN  o.i.j.ResourceDMBean  
>>>          - ISPN000042: Did not find queried attribute with name coreHashCode
>>> 2016-05-24 15:13:32,470 [localhost-startStop-2] WARN  o.i.j.ResourceDMBean  
>>>          - ISPN000042: Did not find queried attribute with name coreHashCode
>>> 2016-05-24 15:13:32,470 [localhost-startStop-2] WARN  o.i.j.ResourceDMBean  
>>>          - ISPN000042: Did not find queried attribute with name coreHashCode
>>> [truncated]
>>> 2016-05-24 15:13:32,485 [localhost-startStop-2] WARN  o.i.j.ResourceDMBean  
>>>          - ISPN000042: Did not find queried attribute with name coreHashCode
>>> May 24, 2016 3:13:32 PM org.apache.catalina.loader.WebappClassLoader
>>> clearReferencesJdbc
>>> SEVERE: The web application [/xwiki] registered the JDBC driver 
>>> [com.mysql.jdbc.Driver] but failed to unregister it when the web 
>>> application was stopped. To prevent a memory leak, the JDBC Driver has been 
>>> forcibly unregistered.
>>> May 24, 2016 3:13:32 PM org.apache.catalina.loader.WebappClassLoader
>>> checkThreadLocalMapForLeaks
>>> SEVERE: The web application [/xwiki] created a ThreadLocal with key of type 
>>> [org.python.core.ThreadStateMapping$1] (value 
>>> [org.python.core.ThreadStateMapping$1@70d34768]) and a value of type 
>>> [java.lang.Object[]] (value [[Ljava.lang.Object;@3ef536b6]) but failed to 
>>> remove it when the web application was stopped. Threads are going to be 
>>> renewed over time to try and avoid a probable memory leak.
>>> May 24, 2016 3:13:32 PM org.apache.catalina.loader.WebappClassLoader
>>> checkThreadLocalMapForLeaks
>>> SEVERE: The web application [/xwiki] created a ThreadLocal with key of type 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64.ThreadHashCode]
>>>  (value 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64$ThreadHashCode@54db0704])
>>>  and a value of type 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64.HashCode] 
>>> (value 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64$HashCode@77a9c321])
>>>  but failed to remove it when the web application was stopped. Threads are 
>>> going to be renewed over time to try and avoid a probable memory leak.
>>> May 24, 2016 3:13:32 PM org.apache.catalina.loader.WebappClassLoader
>>> checkThreadLocalMapForLeaks
>>> SEVERE: The web application [/xwiki] created a ThreadLocal with key of type 
>>> [com.xpn.xwiki.store.migration.AbstractDataMigrationManager.ThreadLock] 
>>> (value 
>>> [com.xpn.xwiki.store.migration.AbstractDataMigrationManager$ThreadLock@3cbf1929])
>>>  and a value of type [java.lang.Integer] (value [0]) but failed to remove 
>>> it when the web application was stopped. Threads are going to be renewed 
>>> over time to try and avoid a probable memory leak.
>>> May 24, 2016 3:13:32 PM org.apache.catalina.loader.WebappClassLoader
>>> checkThreadLocalMapForLeaks
>>> SEVERE: The web application [/xwiki] created a ThreadLocal with key of type 
>>> [org.apache.solr.util.DateFormatUtil.ThreadLocalDateFormat] (value 
>>> [org.apache.solr.util.DateFormatUtil$ThreadLocalDateFormat@260cf1e7]) and a 
>>> value of type 
>>> [org.apache.solr.util.DateFormatUtil.ISO8601CanonicalDateFormat] (value 
>>> [org.apache.solr.util.DateFormatUtil$ISO8601CanonicalDateFormat@6b2ed43a]) 
>>> but failed to remove it when the web application was stopped. Threads are 
>>> going to be renewed over time to try and avoid a probable memory leak.
>>> May 24, 2016 3:13:32 PM org.apache.catalina.loader.WebappClassLoader
>>> checkThreadLocalMapForLeaks
>>> SEVERE: The web application [/xwiki] created a ThreadLocal with key of type 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64.ThreadHashCode]
>>>  (value 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64$ThreadHashCode@54db0704])
>>>  and a value of type 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64.HashCode] 
>>> (value 
>>> [org.infinispan.commons.util.concurrent.jdk8backported.Striped64$HashCode@1bdd8835])
>>>  but failed to remove it when the web application was stopped. Threads are 
>>> going to be renewed over time to try and avoid a probable memory leak.
>>> [truncated]
>>> May 24, 2016 3:13:40 PM org.apache.catalina.core.StandardEngine
>>> startInternal
>>> INFO: Starting Servlet Engine: Apache Tomcat/7.0.52 (Ubuntu) May 24,
>>> 2016 3:13:40 PM org.apache.catalina.startup.HostConfig
>>> deployDescriptor
>>> INFO: Deploying configuration descriptor
>>> /etc/tomcat7/Catalina/localhost/xwiki.xml
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/log4j-over-slf4j-1.7.18-xwiki-1.jar (No such 
>>> file or directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/xwiki-commons-configuration-api-8.0.jar (No such 
>>> file or directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: /usr/lib/xwiki/WEB-INF/lib/jquery-1.11.3.jar 
>>> (No such file or directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/xwiki-rendering-transformation-wikiword-8.0.jar 
>>> (No such file or directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/xwiki-rendering-syntax-docbook-8.0.jar (No such 
>>> file or directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/xwiki-commons-velocity-8.0.jar (No such file or 
>>> directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/jackson-databind-2.7.2.jar (No such file or 
>>> directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/xwiki-platform-template-api-8.0.jar (No such 
>>> file or directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> May 24, 2016 3:13:49 PM org.apache.catalina.startup.ContextConfig
>>> processAnnotationsJar
>>> SEVERE: contextConfig.jarFile
>>> java.io.FileNotFoundException: 
>>> /usr/lib/xwiki/WEB-INF/lib/xwiki-platform-feed-api-8.0.jar (No such file or 
>>> directory)
>>>       at java.util.zip.ZipFile.open(Native Method)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:215)
>>>       at java.util.zip.ZipFile.<init>(ZipFile.java:145)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:154)
>>>       at java.util.jar.JarFile.<init>(JarFile.java:91)
>>>       at sun.net.www.protocol.jar.URLJarFile.<init>(URLJarFile.java:93)
>>>       at sun.net.www.protocol.jar.URLJarFile.getJarFile(URLJarFile.java:69)
>>>       at sun.net.www.protocol.jar.JarFileFactory.get(JarFileFactory.java:99)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.connect(JarURLConnection.java:122)
>>>       at 
>>> sun.net.www.protocol.jar.JarURLConnection.getJarFile(JarURLConnection.java:89)
>>>       at org.apache.tomcat.util.scan.FileUrlJar.<init>(FileUrlJar.java:41)
>>>       at 
>>> org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:34)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:1922)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1897)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1882)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1314)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:873)
>>>       at 
>>> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:371)
>>>       at 
>>> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
>>>       at 
>>> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5355)
>>>       at 
>>> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
>>>       at 
>>> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
>>>       at 
>>> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
>>>       at 
>>> org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:670)
>>>       at 
>>> org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839)
>>>       at 
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>       at 
>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>       at java.lang.Thread.run(Thread.java:745)
>>> 
>>> ===================================
>>> 
>>> 
>>> 
>>> 
>>> Kind regards,
>>> 
>>> 
>>> 
>>> Mahomed Hussein
>>> Custodian Data Centre
>>> Email: maho...@custodiandc.com
>>> http://www.CustodianDC.com
>>> 
>>> -----Original Message-----
>>> From: users [mailto:users-boun...@xwiki.org] On Behalf Of Thomas
>>> Mortagne
>>> Sent: 24 May 2016 17:01
>>> To: XWiki Users <users@xwiki.org>
>>> Subject: Re: [xwiki-users] XWiki 8.1 returning error 404
>>> 
>>> I guess it means you made apt-get update/upgrade automatic which is usually 
>>> not a great idea. Could you confirm you are using XWiki Debian packages ?
>>> 
>>> You should look at tomcat log to see if there is any error in it. What 
>>> version was it upgraded from ?
>>> 
>>> On Tue, May 24, 2016 at 5:51 PM, Mahomed Hussein <maho...@custodiandc.com> 
>>> wrote:
>>>> Hi
>>>> 
>>>> It seems our server automatically updated to xWiki 8.1 and now we are 
>>>> getting the error below:
>>>> 
>>>> 
>>>> ===============================================================
>>>> HTTP Status 404 - /xwiki/bin/view/Main/ type Status report message
>>>> /xwiki/bin/view/Main/
>>>> 
>>>> description The requested resource is not available.
>>>> 
>>>> Apache Tomcat/7.0.52 (Ubuntu)
>>>> 
>>>> ===============================================================
>>>> 
>>>> I have already rebooted the server to no avail. I have confirmed
>>>> that we are upgraded to 8.1
>>>> 
>>>> I have tried to browse to 
>>>> http://www.xwiki.org/xwiki/bin/view/ReleaseNotes/ReleaseNotesXWiki81RC1 to 
>>>> see if there are any instructions there, but the page is not loading and I 
>>>> am getting an error 524 (I assume you are using cloudflare).
>>>> 
>>>> Help please as this is our live system. Thanks.
>>>> 
>>>> 
>>>> Kind regards,
>>>> 
>>>> 
>>>> Mahomed Hussein
>>>> Custodian Data Centre
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