--- En date de : Mar 30.8.16, Thomas Mortagne <thomas.morta...@xwiki.com> a 
écrit :

> De: Thomas Mortagne <thomas.morta...@xwiki.com>
> Objet: Re: [xwiki-users] Could not use Java8 with xwiki on 7.0.1 (and 8.2.1)
> À: "Pascal BASTIEN" <pbasnews-xw...@yahoo.fr>, "XWiki Users" <users@xwiki.org>
> Date: Mardi 30 août 2016, 10h54
> On Tue, Aug 30, 2016 at
> 10:39 AM, Pascal BASTIEN
> <pbasnews-xw...@yahoo.fr>
> wrote:
> > Hi,
> >
> > I use xwiki 7.0.1 / tomcat-7.0.47 and I
> didn't manage to upgrade xwiki to xwiki 8.2.1.
> > Then I tried to use java8/tomcat-8.5.4 to
> launch my current xwiki7.0.1 but I failed with these error
> message.
> >
> > To
> resume, with apache-tomcat-8.5.4 if I use java7, I can use
> Xwiki 7.0.1 but if I simply modify bin/catalina.sh with
> JAVA_HOME=/opt/jre1.8.0_102 xwiki crash with theses error
> :-(
> >
> > Any idea what
> is the problem?
> 
> I don't
> think it has anything to do with Java 8. I'm using Java8
> since
> a very long time and it always worked
> well. I would bet for a mistake
> in the
> configuration or something to do with this version of
> Tomcat
> but hard to say without the root
> error.

Yes I agree but I passed 2 days to identify that: I change java from 7 to 8 to 
crash xwiki.

> >
> > My tomcat launch only on xwiki (without
> other xwiki or application) and I launch tomcat with root
> account.

I launch tomcat with:
JAVA_HOME=/opt/jre1.8.0_102
CATALINA_HOME=/home/opt/apache-tomcat-8.5.4
JAVA_OPTS="-server -Xms1724m -Xmx1724m -Dfile.encoding=utf-8 
-Djava.awt.headless=true -XX:+UseParallelGC -XX:MaxGCPauseMillis=100 
-Dhttp.proxyHost=MyProxy -Dhttp.proxyPort=MyPort"

JAVA_OPTS="$JAVA_OPTS -Dappserver.home=$CATALINA_HOME 
-Dappserver.base=$CATALINA_HOME"

and xwiki is on the root on my tomcat server
            <Context docBase="/opt/apache-tomcat-8.5.4/webapps/xwiki" path="/" 
reloadable="true" antiResourceLocking="false" antiJARLocking="false">

I confirm I'm far to be an expert on Tomcat

> >
> 2016-08-29 15:50:52,750 [Core extension repository updater]
> ERROR o.i.j.JmxUtil                  - ISPN000034:
> There's already an cache manager instance registered
> under 'org.xwiki.infinispan' JMX domain. If you want
> to allow multiple instances configured with same JMX domain

> >         at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
> >   <cut>
> >
> 
> Those
> errors are a consequence of a failed initialization of
> XWiki,
> not a cause. You should indicate the
> first errors you get when Tomcat
> starts.
> 


Be carefull at your eyes, here my catalina.out with java8 :-/


30-Aug-2016 11:03:12.953 WARNING [main] 
org.apache.catalina.startup.SetAllPropertiesRule.begin 
[SetAllPropertiesRule]{Server/Service/Connector} Setting property 
'maxSpareThreads' to '75' did not find a matching property.
30-Aug-2016 11:03:12.958 WARNING [main] 
org.apache.catalina.startup.SetAllPropertiesRule.begin 
[SetAllPropertiesRule]{Server/Service/Connector} Setting property 
'maxHttpHeaderSize' to '8192' did not find a matching property.
30-Aug-2016 11:03:12.958 WARNING [main] 
org.apache.catalina.startup.SetAllPropertiesRule.begin 
[SetAllPropertiesRule]{Server/Service/Connector} Setting property 
'maxSpareThreads' to '75' did not find a matching property.
30-Aug-2016 11:03:12.959 WARNING [main] 
org.apache.catalina.startup.SetAllPropertiesRule.begin 
[SetAllPropertiesRule]{Server/Service/Connector} Setting property 
'disableUploadTimeout' to 'true' did not find a matching property.
30-Aug-2016 11:03:12.984 WARNING [main] 
org.apache.tomcat.util.digester.Digester.endElement   No rules found matching 
'Server/Service/Engine/Host/Logger'.
30-Aug-2016 11:03:13.009 WARNING [main] 
org.apache.catalina.core.StandardContext.setPath A context path must either be 
an empty string or start with a '/' and do not end with a '/'. The path [/] 
does not meet these criteria and has been changed to []
30-Aug-2016 11:03:13.010 WARNING [main] 
org.apache.tomcat.util.digester.SetPropertiesRule.begin 
[SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 
'antiJARLocking' to 'false' did not find a matching property.
30-Aug-2016 11:03:13.021 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Server version:        
Apache Tomcat/8.5.4
30-Aug-2016 11:03:13.021 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Server built:          
Jul 6 2016 08:43:30 UTC
30-Aug-2016 11:03:13.021 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Server number:         
8.5.4.0
30-Aug-2016 11:03:13.021 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log OS Name:               
Linux
30-Aug-2016 11:03:13.021 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log OS Version:            
3.16.0-4-amd64
30-Aug-2016 11:03:13.022 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Architecture:          
amd64
30-Aug-2016 11:03:13.022 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Java Home:             
/home/opt/jre1.8.0_102
30-Aug-2016 11:03:13.022 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log JVM Version:           
1.8.0_102-b14
30-Aug-2016 11:03:13.022 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor:            
Oracle Corporation
30-Aug-2016 11:03:13.022 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE:         
/home/opt/apache-tomcat-8.5.4
30-Aug-2016 11:03:13.022 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME:         
/home/opt/apache-tomcat-8.5.4
30-Aug-2016 11:03:13.022 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Djava.util.logging.config.file=/home/opt/apache-tomcat-8.5.4/conf/logging.properties
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Xms1724m
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Xmx1724m
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Dfile.encoding=utf-8
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Djava.awt.headless=true
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-XX:+UseParallelGC
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-XX:MaxGCPauseMillis=100
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Dhttp.proxyHost=proxy.dom.cpii.i2
30-Aug-2016 11:03:13.023 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Dhttp.proxyPort=8080
30-Aug-2016 11:03:13.031 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Dappserver.home=/home/opt/apache-tomcat-8.5.4
30-Aug-2016 11:03:13.031 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Dappserver.base=/home/opt/apache-tomcat-8.5.4
30-Aug-2016 11:03:13.032 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Djdk.tls.ephemeralDHKeySize=2048
30-Aug-2016 11:03:13.032 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Dcatalina.base=/home/opt/apache-tomcat-8.5.4
30-Aug-2016 11:03:13.032 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Dcatalina.home=/home/opt/apache-tomcat-8.5.4
30-Aug-2016 11:03:13.032 INFO [main] 
org.apache.catalina.startup.VersionLoggerListener.log Command line argument: 
-Djava.io.tmpdir=/home/opt/apache-tomcat-8.5.4/temp
30-Aug-2016 11:03:13.147 INFO [main] org.apache.coyote.AbstractProtocol.init 
Initializing ProtocolHandler ["http-nio-8080"]
30-Aug-2016 11:03:13.164 INFO [main] 
org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared 
selector for servlet write/read
30-Aug-2016 11:03:13.166 INFO [main] org.apache.coyote.AbstractProtocol.init 
Initializing ProtocolHandler ["ajp-nio-8009"]
30-Aug-2016 11:03:13.167 INFO [main] 
org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared 
selector for servlet write/read
30-Aug-2016 11:03:13.168 INFO [main] org.apache.catalina.startup.Catalina.load 
Initialization processed in 485 ms
30-Aug-2016 11:03:13.186 INFO [main] 
org.apache.catalina.core.StandardService.startInternal Démarrage du service 
Catalina
30-Aug-2016 11:03:13.186 INFO [main] 
org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: 
Apache Tomcat/8.5.4
30-Aug-2016 11:03:13.194 INFO [localhost-startStop-1] 
org.apache.catalina.startup.HostConfig.deployDirectory Déploiement du 
répertoire /home/opt/apache-tomcat-8.5.4/webapps/xwiki de l'application web
30-Aug-2016 11:03:26.012 INFO [localhost-startStop-1] 
org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory.getObjectInstance Name = 
xwiki Ignoring unknown property: value of "DB Connection" for "description" 
property
30-Aug-2016 11:03:26.317 INFO [localhost-startStop-1] 
org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for 
TLDs yet contained no TLDs. Enable debug logging for this logger for a complete 
list of JARs that were scanned but no TLDs were found in them. Skipping 
unneeded JARs during scanning can improve startup time and JSP compilation time.
2016-08-30 11:03:33,747 [localhost-startStop-1] WARN  
ltInstalledExtensionRepository - Invalid extension 
[org.xwiki.platform:xwiki-platform-search-lucene-ui-6.4] on namespace 
[wiki:xwiki] (InvalidExtensionException: No compatible extension is installed 
for dependency [org.xwiki.platform:xwiki-platform-search-lucene-api-6.4]) 
2016-08-30 11:03:33,779 [localhost-startStop-1] INFO  
o.x.s.s.i.EmbeddedSolrInstance - Starting embedded Solr server... 
2016-08-30 11:03:33,779 [localhost-startStop-1] INFO  
o.x.s.s.i.EmbeddedSolrInstance - Using Solr home directory: 
[/apps/j2ee/DATA/xwiki/solr] 
2016-08-30 11:03:36,322 [coreLoadExecutor-5-thread-1] WARN  
o.a.s.c.RequestHandlers        - Multiple requestHandler registered to the same 
name: /update ignoring: org.apache.solr.handler.UpdateRequestHandler 
2016-08-30 11:03:38,117 [localhost-startStop-1] INFO  
o.x.s.s.i.EmbeddedSolrInstance - Started embedded Solr server. 
30-Aug-2016 11:03:38.196 INFO [localhost-startStop-1] 
org.artofsolving.jodconverter.office.ProcessPoolOfficeManager.<init> 
ProcessManager implementation is LinuxProcessManager
2016-08-30 11:03:38,241 [localhost-startStop-1] ERROR 
.OfficeServerLifecycleListener - Error while connecting / starting the office 
server. 
org.xwiki.officeimporter.server.OfficeServerException: Error while connecting / 
starting the office server.
        at 
org.xwiki.officeimporter.internal.server.DefaultOfficeServer.start(DefaultOfficeServer.java:187)
 ~[xwiki-platform-legacy-office-importer-7.0.1.jar:na]
        at 
org.xwiki.officeimporter.internal.server.OfficeServerLifecycleListener.startOfficeServer(OfficeServerLifecycleListener.java:98)
 [xwiki-platform-legacy-office-importer-7.0.1.jar:na]
        at 
org.xwiki.officeimporter.internal.server.OfficeServerLifecycleListener.onEvent(OfficeServerLifecycleListener.java:85)
 [xwiki-platform-legacy-office-importer-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:304)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:269)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:321)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:118)
 [xwiki-platform-container-servlet-7.0.1.jar:na]
        at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4716)
 [catalina.jar:8.5.4]
        at 
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5178)
 [catalina.jar:8.5.4]
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:152) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
 [catalina.jar:8.5.4]
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[na:1.8.0_102]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
[na:1.8.0_102]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[na:1.8.0_102]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[na:1.8.0_102]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]
Caused by: org.artofsolving.jodconverter.office.OfficeException: failed to 
start and connect
        at 
org.artofsolving.jodconverter.office.ManagedOfficeProcess.startAndWait(ManagedOfficeProcess.java:64)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        at 
org.artofsolving.jodconverter.office.PooledOfficeManager.start(PooledOfficeManager.java:101)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        at 
org.artofsolving.jodconverter.office.ProcessPoolOfficeManager.start(ProcessPoolOfficeManager.java:62)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        at 
org.xwiki.officeimporter.internal.server.DefaultOfficeServer.start(DefaultOfficeServer.java:182)
 ~[xwiki-platform-legacy-office-importer-7.0.1.jar:na]
        ... 19 common frames omitted
Caused by: java.util.concurrent.ExecutionException: 
org.artofsolving.jodconverter.office.OfficeException: could not establish 
connection
        at java.util.concurrent.FutureTask.report(FutureTask.java:122) 
[na:1.8.0_102]
        at java.util.concurrent.FutureTask.get(FutureTask.java:192) 
[na:1.8.0_102]
        at 
org.artofsolving.jodconverter.office.ManagedOfficeProcess.startAndWait(ManagedOfficeProcess.java:62)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        ... 22 common frames omitted
Caused by: org.artofsolving.jodconverter.office.OfficeException: could not 
establish connection
        at 
org.artofsolving.jodconverter.office.ManagedOfficeProcess.doStartProcessAndConnect(ManagedOfficeProcess.java:142)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        at 
org.artofsolving.jodconverter.office.ManagedOfficeProcess.access$000(ManagedOfficeProcess.java:31)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        at 
org.artofsolving.jodconverter.office.ManagedOfficeProcess$1.run(ManagedOfficeProcess.java:58)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        ... 5 common frames omitted
Caused by: java.lang.IllegalStateException: a process with acceptString 
'socket,host=127.0.0.1,port=8100' is already running; pid 15948
        at 
org.artofsolving.jodconverter.office.OfficeProcess.start(OfficeProcess.java:67) 
~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        at 
org.artofsolving.jodconverter.office.OfficeProcess.start(OfficeProcess.java:60) 
~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        at 
org.artofsolving.jodconverter.office.ManagedOfficeProcess.doStartProcessAndConnect(ManagedOfficeProcess.java:119)
 ~[jodconverter-core-3.0-beta-4-xwiki-20110822.jar:na]
        ... 7 common frames omitted
30-Aug-2016 11:03:39.055 INFO [localhost-startStop-1] 
org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web 
application directory /home/opt/apache-tomcat-8.5.4/webapps/xwiki has finished 
in 25 860 ms
30-Aug-2016 11:03:51.090 WARNING [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory.getObjectInstance Name = 
xwiki Property maxActive is not used in DBCP2, use maxTotal instead. maxTotal 
default value is 8. You have set value of "20" for "maxActive" property, which 
is being ignored.
30-Aug-2016 11:03:51.092 WARNING [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory.getObjectInstance Name = 
xwiki Property removeAbandoned is not used in DBCP2, use one or both of 
removeAbandonedOnBorrow or removeAbandonedOnMaintenance instead. Both have 
default value set to false. You have set value of "true" for "removeAbandoned" 
property, which is being ignored.
30-Aug-2016 11:03:51.092 WARNING [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory.getObjectInstance Name = 
xwiki Property maxWait is not used in DBCP2 , use maxWaitMillis instead. 
maxWaitMillis default value is -1. You have set value of "-1" for "maxWait" 
property, which is being ignored.
30-Aug-2016 11:03:51.303 INFO [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for 
TLDs yet contained no TLDs. Enable debug logging for this logger for a complete 
list of JARs that were scanned but no TLDs were found in them. Skipping 
unneeded JARs during scanning can improve startup time and JSP compilation time.
2016-08-30 11:03:54,014 [xwiki-dev.dom.cp2i.i2-startStop-1] ERROR o.i.j.JmxUtil 
                 - ISPN000034: There's already an cache manager instance 
registered under 'org.xwiki.infinispan' JMX domain. If you want to allow 
multiple instances configured with same JMX domain enable 
'allowDuplicateDomains' attribute in 'globalJmxStatistics' config element 
2016-08-30 11:03:54,028 [xwiki-dev.dom.cp2i.i2-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 = 
[lessColorTheme]]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:216)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:198)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.initializeListeners(DefaultObservationManager.java:164)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.getListenersByEvent(DefaultObservationManager.java:131)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:267)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:321)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:118)
 [xwiki-platform-container-servlet-7.0.1.jar:na]
        at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4716)
 [catalina.jar:8.5.4]
        at 
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5178)
 [catalina.jar:8.5.4]
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:152) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1403) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1393) 
[catalina.jar:8.5.4]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
[na:1.8.0_102]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[na:1.8.0_102]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[na:1.8.0_102]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]
Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to 
lookup component [org.xwiki.lesscss.internal.cache.DefaultLESSResourcesCache] 
identified by [role = [interface 
org.xwiki.lesscss.internal.cache.LESSResourcesCache] hint = [default]]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:394)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:190)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getDependencyInstance(EmbeddableComponentManager.java:363)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:312)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:214)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        ... 15 common frames omitted
Caused by: org.xwiki.component.phase.InitializationException: Failed to 
initialize LESS skin files cache [lesscss.skinfiles.cache].
        at 
org.xwiki.lesscss.internal.cache.DefaultLESSResourcesCache.initialize(DefaultLESSResourcesCache.java:60)
 ~[xwiki-platform-lesscss-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:322)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:392)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        ... 20 common frames omitted
Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to 
lookup component [org.xwiki.cache.infinispan.internal.InfinispanCacheFactory] 
identified by [role = [interface org.xwiki.cache.CacheFactory] hint = 
[infinispan]]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:394)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:190)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.cache.internal.DefaultCacheManager.getCacheFactory(DefaultCacheManager.java:79)
 ~[xwiki-platform-cache-api-7.0.1.jar:na]
        at 
org.xwiki.cache.internal.DefaultCacheManager.getCacheFactory(DefaultCacheManager.java:61)
 ~[xwiki-platform-cache-api-7.0.1.jar:na]
        at 
org.xwiki.lesscss.internal.cache.DefaultLESSResourcesCache.initialize(DefaultLESSResourcesCache.java:57)
 ~[xwiki-platform-lesscss-default-7.0.1.jar:na]
        ... 24 common frames omitted
Caused by: org.infinispan.jmx.JmxDomainConflictException: Domain already 
registered org.xwiki.infinispan when trying to register: 
type=CacheManager,name="xwiki"
        at org.infinispan.jmx.JmxUtil.buildJmxDomain(JmxUtil.java:52) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.CacheManagerJmxRegistration.updateDomain(CacheManagerJmxRegistration.java:79)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.CacheManagerJmxRegistration.buildRegistrar(CacheManagerJmxRegistration.java:73)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.AbstractJmxRegistration.registerMBeans(AbstractJmxRegistration.java:37)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.CacheManagerJmxRegistration.start(CacheManagerJmxRegistration.java:41)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.start(DefaultCacheManager.java:611) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:296) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:267) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:253) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.xwiki.cache.infinispan.internal.InfinispanCacheFactory.initialize(InfinispanCacheFactory.java:106)
 ~[xwiki-platform-cache-infinispan-7.0.1.jar:na]
        at 
org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:322)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:392)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        ... 28 common frames omitted
30-Aug-2016 11:03:54.437 INFO [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.catalina.startup.HostConfig.deployDirectory Déploiement du 
répertoire /home/opt/apache-tomcat-8.5.4/webapps/xwiki de l'application web
30-Aug-2016 11:04:06.070 INFO [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory.getObjectInstance Name = 
xwiki Ignoring unknown property: value of "DB Connection" for "description" 
property
30-Aug-2016 11:04:06.228 INFO [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for 
TLDs yet contained no TLDs. Enable debug logging for this logger for a complete 
list of JARs that were scanned but no TLDs were found in them. Skipping 
unneeded JARs during scanning can improve startup time and JSP compilation time.
2016-08-30 11:04:09,147 [xwiki-dev.dom.cp2i.i2-startStop-1] ERROR o.i.j.JmxUtil 
                 - ISPN000034: There's already an cache manager instance 
registered under 'org.xwiki.infinispan' JMX domain. If you want to allow 
multiple instances configured with same JMX domain enable 
'allowDuplicateDomains' attribute in 'globalJmxStatistics' config element 
2016-08-30 11:04:09,160 [xwiki-dev.dom.cp2i.i2-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 = 
[lessSkin]]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:216)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:198)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.initializeListeners(DefaultObservationManager.java:164)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.getListenersByEvent(DefaultObservationManager.java:131)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:267)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:321)
 [xwiki-commons-observation-local-7.0.1.jar:na]
        at 
org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:118)
 [xwiki-platform-container-servlet-7.0.1.jar:na]
        at 
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4716)
 [catalina.jar:8.5.4]
        at 
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5178)
 [catalina.jar:8.5.4]
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:152) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107) 
[catalina.jar:8.5.4]
        at 
org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
 [catalina.jar:8.5.4]
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) 
[na:1.8.0_102]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
[na:1.8.0_102]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[na:1.8.0_102]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[na:1.8.0_102]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]
Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to 
lookup component [org.xwiki.lesscss.internal.cache.DefaultLESSResourcesCache] 
identified by [role = [interface 
org.xwiki.lesscss.internal.cache.LESSResourcesCache] hint = [default]]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:394)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:190)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getDependencyInstance(EmbeddableComponentManager.java:363)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:312)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:214)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        ... 19 common frames omitted
Caused by: org.xwiki.component.phase.InitializationException: Failed to 
initialize LESS skin files cache [lesscss.skinfiles.cache].
        at 
org.xwiki.lesscss.internal.cache.DefaultLESSResourcesCache.initialize(DefaultLESSResourcesCache.java:60)
 ~[xwiki-platform-lesscss-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:322)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:392)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        ... 24 common frames omitted
Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to 
lookup component [org.xwiki.cache.infinispan.internal.InfinispanCacheFactory] 
identified by [role = [interface org.xwiki.cache.CacheFactory] hint = 
[infinispan]]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:394)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getInstance(EmbeddableComponentManager.java:190)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.cache.internal.DefaultCacheManager.getCacheFactory(DefaultCacheManager.java:79)
 ~[xwiki-platform-cache-api-7.0.1.jar:na]
        at 
org.xwiki.cache.internal.DefaultCacheManager.getCacheFactory(DefaultCacheManager.java:61)
 ~[xwiki-platform-cache-api-7.0.1.jar:na]
        at 
org.xwiki.lesscss.internal.cache.DefaultLESSResourcesCache.initialize(DefaultLESSResourcesCache.java:57)
 ~[xwiki-platform-lesscss-default-7.0.1.jar:na]
        ... 28 common frames omitted
Caused by: org.infinispan.jmx.JmxDomainConflictException: Domain already 
registered org.xwiki.infinispan when trying to register: 
type=CacheManager,name="xwiki"
        at org.infinispan.jmx.JmxUtil.buildJmxDomain(JmxUtil.java:52) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.CacheManagerJmxRegistration.updateDomain(CacheManagerJmxRegistration.java:79)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.CacheManagerJmxRegistration.buildRegistrar(CacheManagerJmxRegistration.java:73)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.AbstractJmxRegistration.registerMBeans(AbstractJmxRegistration.java:37)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.jmx.CacheManagerJmxRegistration.start(CacheManagerJmxRegistration.java:41)
 ~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.start(DefaultCacheManager.java:611) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:296) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:267) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.infinispan.manager.DefaultCacheManager.<init>(DefaultCacheManager.java:253) 
~[infinispan-core-7.0.3.Final.jar:7.0.3.Final]
        at 
org.xwiki.cache.infinispan.internal.InfinispanCacheFactory.initialize(InfinispanCacheFactory.java:106)
 ~[xwiki-platform-cache-infinispan-7.0.1.jar:na]
        at 
org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:322)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:424)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        at 
org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:392)
 ~[xwiki-commons-legacy-component-default-7.0.1.jar:na]
        ... 32 common frames omitted
30-Aug-2016 11:04:09.536 INFO [xwiki-dev.dom.cp2i.i2-startStop-1] 
org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web 
application directory /home/opt/apache-tomcat-8.5.4/webapps/xwiki has finished 
in 15 098 ms
30-Aug-2016 11:04:09.541 INFO [main] org.apache.coyote.AbstractProtocol.start 
Starting ProtocolHandler [http-nio-8080]
30-Aug-2016 11:04:09.546 INFO [main] org.apache.coyote.AbstractProtocol.start 
Starting ProtocolHandler [ajp-nio-8009]
30-Aug-2016 11:04:09.546 INFO [main] org.apache.catalina.startup.Catalina.start 
Server startup in 56378 ms
30-Aug-2016 11:04:32.685 SEVERE [https://xwiki-dev.dom.cp2i.i2/bin/view/Main/] 
org.apache.catalina.core.StandardWrapperValve.invoke "Servlet.service()" pour 
la servlet action a généré une exception
 java.lang.NullPointerException
        at com.xpn.xwiki.web.Utils.getContextComponentManager(Utils.java:695)
        at com.xpn.xwiki.web.Utils.getComponent(Utils.java:752)
        at com.xpn.xwiki.web.Utils.getComponent(Utils.java:719)
        at 
com.xpn.xwiki.web.XWikiRequestProcessor.processPath(XWikiRequestProcessor.java:47)
        at 
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:154)
        at 
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:115)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at 
org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:127)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at 
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at 
org.xwiki.container.servlet.filters.internal.SetHTTPHeaderFilter.doFilter(SetHTTPHeaderFilter.java:63)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at 
com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at 
org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at 
org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
        at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349)
        at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:780)
        at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)
        at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:745)


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