Tomcat Boot exception (critical: Dispatcher initialization failed unable to load configuration.-[Unknown location])

Critical: Dispatcher initialization failedunable to load configuration.-[Unknown Location]at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration ( Configurationmanager.java: -) at Org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration (Dispatcher.java:429) at Org.apache.struts2.dispatcher.Dispatcher.init (Dispatcher.java:471) at Org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher (Initoperations.java: About) at Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init ( Strutsprepareandexecutefilter.java:Wuyi) at Org.apache.catalina.core.ApplicationFilterConfig.initFilter (Applicationfilterconfig.java:277) at Org.apache.catalina.core.ApplicationFilterConfig.getFilter (Applicationfilterconfig.java:258) at Org.apache.catalina.core.ApplicationFilterConfig.setFilterDef (Applicationfilterconfig.java:382) at Org.apache.catalina.core.ApplicationFilterConfig.<init> (Applicationfilterconfig.java:103) at Org.apache.catalina.core.StandardContext.filterStart (Standardcontext.java:4638) at Org.apache.catalina.core.StandardContext.startInternal (Standardcontext.java:5294) at Org.apache.catalina.util.LifecycleBase.start (Lifecyclebase.java: Max) at Org.apache.catalina.core.ContainerBase.addChildInternal (Containerbase.java:895) at Org.apache.catalina.core.ContainerBase.addChild (Containerbase.java:871) at Org.apache.catalina.core.StandardHost.addChild (Standardhost.java:615) at Org.apache.catalina.startup.HostConfig.deployDirectory (Hostconfig.java:1099) at Org.apache.catalina.startup.hostconfig$deploydirectory.run (Hostconfig.java:1621) at Java.util.concurrent.executors$runnableadapter.call (Executors.java:441) at Java.util.concurrent.futuretask$sync.innerrun (Futuretask.java:303) at Java.util.concurrent.FutureTask.run (Futuretask.java:138) at Java.util.concurrent.threadpoolexecutor$worker.runtask (Threadpoolexecutor.java:886) at Java.util.concurrent.threadpoolexecutor$worker.run (Threadpoolexecutor.java:908) at Java.lang.Thread.run (Thread.java:619) caused by:parent package isNot Defined:struts-defalut-[Unknown Location]at Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildPackageContext ( Xmlconfigurationprovider.java:660) at Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage ( Xmlconfigurationprovider.java:508) at Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages ( Xmlconfigurationprovider.java:290) at Org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages ( Strutsxmlconfigurationprovider.java: the) at Com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer (Defaultconfiguration.java: 239) at Com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration (Configurationmanager.java: the)...  A More --3- A  One: +: -org.apache.catalina.core.StandardContext Filterstart Critical: Exception starting filter strutsunable to load Configuration. -[Unknown Location]at org.apache.struts2.dispatcher.Dispatcher.init (Dispatcher.java:483) at Org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher (Initoperations.java: About) at Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init ( Strutsprepareandexecutefilter.java:Wuyi) at Org.apache.catalina.core.ApplicationFilterConfig.initFilter (Applicationfilterconfig.java:277) at Org.apache.catalina.core.ApplicationFilterConfig.getFilter (Applicationfilterconfig.java:258) at Org.apache.catalina.core.ApplicationFilterConfig.setFilterDef (Applicationfilterconfig.java:382) at Org.apache.catalina.core.ApplicationFilterConfig.<init> (Applicationfilterconfig.java:103) at Org.apache.catalina.core.StandardContext.filterStart (Standardcontext.java:4638) at Org.apache.catalina.core.StandardContext.startInternal (Standardcontext.java:5294) at Org.apache.catalina.util.LifecycleBase.start (Lifecyclebase.java: Max) at Org.apache.catalina.core.ContainerBase.addChildInternal (Containerbase.java:895) at Org.apache.catalina.core.ContainerBase.addChild (Containerbase.java:871) at Org.apache.catalina.core.StandardHost.addChild (Standardhost.java:615) at Org.apache.catalina.startup.HostConfig.deployDirectory (Hostconfig.java:1099) at Org.apache.catalina.startup.hostconfig$deploydirectory.run (Hostconfig.java:1621) at Java.util.concurrent.executors$runnableadapter.call (Executors.java:441) at Java.util.concurrent.futuretask$sync.innerrun (Futuretask.java:303) at Java.util.concurrent.FutureTask.run (Futuretask.java:138) at Java.util.concurrent.threadpoolexecutor$worker.runtask (Threadpoolexecutor.java:886) at Java.util.concurrent.threadpoolexecutor$worker.run (Threadpoolexecutor.java:908) at Java.lang.Thread.run (Thread.java:619) caused By:unable to load configuration. -[Unknown Location]at com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration ( Configurationmanager.java: -) at Org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration (Dispatcher.java:429) at Org.apache.struts2.dispatcher.Dispatcher.init (Dispatcher.java:471)...  -morecaused by:parent Package isNot Defined:struts-defalut-[Unknown Location]at Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildPackageContext ( Xmlconfigurationprovider.java:660) at Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage ( Xmlconfigurationprovider.java:508) at Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages ( Xmlconfigurationprovider.java:290) at Org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages ( Strutsxmlconfigurationprovider.java: the) at Com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer (Defaultconfiguration.java: 239) at Com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration (Configurationmanager.java: the)...  A More --3- A  One: +: -org.apache.catalina.core.StandardContext startinternal severity: Error filterstart --3- A  One: +: -org.apache.catalina.core.StandardContext startinternal Serious: Context [/struts2_self] Startup failed due to previous errors

Workaround:

is in the Struts.xml file, the package does not extends= "Struts-default"

Severity: Dispatcher initialization failed
Unable to load configuration. -[Unknown Location]
At Com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration (configurationmanager.java:70)
At Org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration (dispatcher.java:429)
At Org.apache.struts2.dispatcher.Dispatcher.init (dispatcher.java:471)
At Org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher (initoperations.java:74)
At Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init ( STRUTSPREPAREANDEXECUTEFILTER.JAVA:51)
At Org.apache.catalina.core.ApplicationFilterConfig.initFilter (applicationfilterconfig.java:277)
At Org.apache.catalina.core.ApplicationFilterConfig.getFilter (applicationfilterconfig.java:258)
At Org.apache.catalina.core.ApplicationFilterConfig.setFilterDef (applicationfilterconfig.java:382)
At Org.apache.catalina.core.applicationfilterconfig.<init> (applicationfilterconfig.java:103)
At Org.apache.catalina.core.StandardContext.filterStart (standardcontext.java:4638)
At Org.apache.catalina.core.StandardContext.startInternal (standardcontext.java:5294)
At Org.apache.catalina.util.LifecycleBase.start (lifecyclebase.java:150)
At Org.apache.catalina.core.ContainerBase.addChildInternal (containerbase.java:895)
At Org.apache.catalina.core.ContainerBase.addChild (containerbase.java:871)
At Org.apache.catalina.core.StandardHost.addChild (standardhost.java:615)
At Org.apache.catalina.startup.HostConfig.deployDirectory (hostconfig.java:1099)
At Org.apache.catalina.startup.hostconfig$deploydirectory.run (hostconfig.java:1621)
At Java.util.concurrent.executors$runnableadapter.call (executors.java:441)
At Java.util.concurrent.futuretask$sync.innerrun (futuretask.java:303)
At Java.util.concurrent.FutureTask.run (futuretask.java:138)
At Java.util.concurrent.threadpoolexecutor$worker.runtask (threadpoolexecutor.java:886)
At Java.util.concurrent.threadpoolexecutor$worker.run (threadpoolexecutor.java:908)
At Java.lang.Thread.run (thread.java:619)
caused by:parent package isn't defined:struts-defalut-[unknown location]
At Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildPackageContext ( xmlconfigurationprovider.java:660)
At Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage (Xmlconfigurationprovider.java : 508)
At Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages (Xmlconfigurationprovider.java : 290)
At Org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages (Strutsxmlconfigurationprovider.java : 112)
At Com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer (defaultconfiguration.java:239)
At Com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration (configurationmanager.java:67)
... More
2013-3-12 11:43:30 Org.apache.catalina.core.StandardContext Filterstart
Severity: Exception Starting filter Struts
Unable to load configuration. -[Unknown Location]
At Org.apache.struts2.dispatcher.Dispatcher.init (dispatcher.java:483)
At Org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher (initoperations.java:74)
At Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.init ( STRUTSPREPAREANDEXECUTEFILTER.JAVA:51)
At Org.apache.catalina.core.ApplicationFilterConfig.initFilter (applicationfilterconfig.java:277)
At Org.apache.catalina.core.ApplicationFilterConfig.getFilter (applicationfilterconfig.java:258)
At Org.apache.catalina.core.ApplicationFilterConfig.setFilterDef (applicationfilterconfig.java:382)
At Org.apache.catalina.core.applicationfilterconfig.<init> (applicationfilterconfig.java:103)
At Org.apache.catalina.core.StandardContext.filterStart (standardcontext.java:4638)
At Org.apache.catalina.core.StandardContext.startInternal (standardcontext.java:5294)
At Org.apache.catalina.util.LifecycleBase.start (lifecyclebase.java:150)
At Org.apache.catalina.core.ContainerBase.addChildInternal (containerbase.java:895)
At Org.apache.catalina.core.ContainerBase.addChild (containerbase.java:871)
At Org.apache.catalina.core.StandardHost.addChild (standardhost.java:615)
At Org.apache.catalina.startup.HostConfig.deployDirectory (hostconfig.java:1099)
At Org.apache.catalina.startup.hostconfig$deploydirectory.run (hostconfig.java:1621)
At Java.util.concurrent.executors$runnableadapter.call (executors.java:441)
At Java.util.concurrent.futuretask$sync.innerrun (futuretask.java:303)
At Java.util.concurrent.FutureTask.run (futuretask.java:138)
At Java.util.concurrent.threadpoolexecutor$worker.runtask (threadpoolexecutor.java:886)
At Java.util.concurrent.threadpoolexecutor$worker.run (threadpoolexecutor.java:908)
At Java.lang.Thread.run (thread.java:619)
caused By:unable to load configuration. -[Unknown Location]
At Com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration (configurationmanager.java:70)
At Org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration (dispatcher.java:429)
At Org.apache.struts2.dispatcher.Dispatcher.init (dispatcher.java:471)
... More
caused by:parent package isn't defined:struts-defalut-[unknown location]
At Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.buildPackageContext ( xmlconfigurationprovider.java:660)
At Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage (Xmlconfigurationprovider.java : 508)
At Com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages (Xmlconfigurationprovider.java : 290)
At Org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages (Strutsxmlconfigurationprovider.java : 112)
At Com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer (defaultconfiguration.java:239)
At Com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration (configurationmanager.java:67)
... More
2013-3-12 11:43:30 Org.apache.catalina.core.StandardContext startinternal
Severity: Error filterstart
2013-3-12 11:43:30 Org.apache.catalina.core.StandardContext startinternal

Severity: Context [/struts2_self] startup failed due to previous errors

Tomcat Boot exception (critical: Dispatcher initialization failed unable to load configuration.-[Unknown location])