Hi,

Am trying to use tiles in my project using struts 2.1.8, everything is working 
fine without tiles. But if am configured tiles, it throwing exception as 
mentioned below.
 The following jars are used.
struts2-core-2.1.8.1, tiles-jsp-2.0.6.\, struts2-spring-plugin-2.1.8.1, 
struts2-testng-plugin-2.1.8.1, struts2-tiles-plugin-2.1.8.1, testng-5.1, 
tiles-api-2.0.6, tiles-core-2.0.6, xwork-core-2.1.6, antlr-2.7.2, dwr-1.1.1, 
ognl-2.7.3
And the stack trace am getting is given below. Please suggest me to resolve 
this.

[11/2/10 12:00:44:921 IST] 00000063 XmlConfigurat I 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger info Parsing 
configuration file [struts-default.xml]
[11/2/10 12:00:45:140 IST] 00000063 XmlConfigurat I 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger info Parsing 
configuration file [struts-plugin.xml]
[11/2/10 12:00:45:186 IST] 00000063 XmlConfigurat I 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger info Parsing 
configuration file [struts.xml]
[11/2/10 12:00:45:218 IST] 00000063 BeanSelection I 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger info Loading global 
messages from com.aegon.de.web.resources.deresources
[11/2/10 12:00:45:515 IST] 00000063 StrutsSpringO I 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger info Initializing 
Struts-Spring integration...
[11/2/10 12:00:45:530 IST] 00000063 SpringObjectF I 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger info Setting 
autowire strategy to name
[11/2/10 12:00:45:546 IST] 00000063 StrutsSpringO I 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger info ... initialized 
Struts-Spring integration successfully
[11/2/10 12:00:47:061 IST] 00000063 XmlConfigurat W 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn Result class 
[org.apache.struts2.views.tiles.TilesResult] doesn't exist 
(NoClassDefFoundError) at result-type - 
wsjar:file:/D:/Official/PROJECTS/D&E/Source/DivorceAndEqualizationEAR/struts2/struts2-tiles-plugin-2.1.8.1.jar!/struts-plugin.xml:31:91,
 ignoring
                                 java.lang.NoClassDefFoundError: Error while 
defining class: org.apache.struts2.views.tiles.TilesResult
This error indicates that the class: 
org.apache.struts2.dispatcher.ServletDispatcherResult
could not be located while defining the class: 
org.apache.struts2.views.tiles.TilesResult
This is often caused by having the class at a higher point in the classloader 
hierarchy
Dumping the current context classloader hierarchy:
    ==> indicates defining classloader
    *** indicates classloader where the missing class could have been found
***[0]
com.ibm.ws.classloader.compoundclassloa...@58505850
   Local ClassPath: 
D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationWeb\WebContent\WEB-INF\classes;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationWeb\WebContent\WEB-INF\lib\struts2-core-2.1.8.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationWeb\WebContent\WEB-INF\lib\tiles-jsp-2.0.6.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationModel\bin;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationClient\bin;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationCommon\bin;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationDataService\bin;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationService\bin;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationWeb\WebContent
   Delegation Mode: PARENT_FIRST
==>[1] com.ibm.ws.classloader.jarclassloa...@376968824 Local Classpath: 
D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\logging\log4j-1.2.16.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\sso\castor-0.9.5.3.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\sso\xerces.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\sso\jdbc-se2.0.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\sso\jndi.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\sso\jta1.0.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\sso\ssoclientlib.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\sso\castor-0.9.5.3-xml.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\commons\commons-lang-2.3.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\commons\commons-beanutils-1.8.2.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\commons\commons-collections-3.2.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\commons\commons-digester-2.0.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\commons\commons-io-1.4.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\commons\commons-validator-1.3.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.aop-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.asm-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.beans-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.context-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.core-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.expression-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.instrument-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.jdbc-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\spring\org.springframework.web-3.0.3.RELEASE.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\antlr-2.7.2.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\dwr-1.1.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\freemarker-2.3.15.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\oro-2.0.8.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\sitemesh-2.4.2.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\testng-5.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\util\asm-1.5.3.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\util\cglib-2.1_3.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\util\cos.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\util\js.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\util\xbean.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\util\javassist.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\ognl-2.7.3.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\struts2-junit-plugin-2.1.8.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\struts2-spring-plugin-2.1.8.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\struts2-testng-plugin-2.1.8.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\xwork-core-2.1.6.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\struts2-tiles-plugin-2.1.8.1.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\tiles-api-2.0.6.jar;D:\Official\PROJECTS\D&E\Source\DivorceAndEqualizationEAR\struts2\tiles-core-2.0.6.jar
 Delegation mode: PARENT_FIRST
   [2] com.ibm.ws.classloader.protectionclassloa...@1e401e4
   [3] com.ibm.ws.bootstrap.extclassloa...@5ac45ac4
   [4] org.eclipse.osgi.framework.adaptor.core.cdsbundleclassloa...@16d016d0
   [5] sun.misc.launcher$appclassloa...@2d8a2d8a
   [6] sun.misc.launcher$extclassloa...@41d641d6
---Original exception---
java.lang.NoClassDefFoundError: 
org.apache.struts2.dispatcher.ServletDispatcherResult
      at java.lang.ClassLoader.defineClassImpl(Native Method)
      at java.lang.ClassLoader.defineClass(ClassLoader.java:222)
      at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:148)
      at 
com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java:526)
      at 
com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java:477)
      at 
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:373)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:561)
      at 
com.ibm.ws.classloader.ReloadableClassLoader.loadClass(ReloadableClassLoader.java:124)
      at 
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:368)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:561)
      at 
com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:138)
      at 
com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:96)
      at 
com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:212)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyResultType(XmlConfigurationProvider.java:519)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addResultTypes(XmlConfigurationProvider.java:490)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:446)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:264)
      at 
org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)
      at 
com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:193)
      at 
com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
      at 
org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
      at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
      at 
org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
      at 
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.init(FilterInstanceWrapper.java:142)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager._loadFilter(WebAppFilterManager.java:438)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.loadFilter(WebAppFilterManager.java:352)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterInstanceWrapper(WebAppFilterManager.java:214)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterChain(WebAppFilterManager.java:272)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:661)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:646)
      at 
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:628)
      at 
com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:145)
      at 
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:595)
      at 
com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:111)
      at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3129)
      at 
com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:238)
      at 
com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811)
      at 
com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1433)
      at 
com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:93)
      at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465)
      at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:394)
      at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:274)
      at 
com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
      at 
com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
      at 
com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:152)
      at 
com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:213)
      at 
com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFuture.java:195)
      at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)
      at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:194)
      at 
com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:741)
      at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:863)
      at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1510)

--- end Original exception----

      at 
com.ibm.ws.classloader.CompoundClassLoader._defineClass(CompoundClassLoader.java:555)
      at 
com.ibm.ws.classloader.CompoundClassLoader.findClass(CompoundClassLoader.java:477)
      at 
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:373)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:561)
      at 
com.ibm.ws.classloader.ReloadableClassLoader.loadClass(ReloadableClassLoader.java:124)
      at 
com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:368)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:561)
      at 
com.opensymphony.xwork2.util.ClassLoaderUtil.loadClass(ClassLoaderUtil.java:138)
      at 
com.opensymphony.xwork2.ObjectFactory.getClassInstance(ObjectFactory.java:96)
      at 
com.opensymphony.xwork2.spring.SpringObjectFactory.getClassInstance(SpringObjectFactory.java:212)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.verifyResultType(XmlConfigurationProvider.java:519)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addResultTypes(XmlConfigurationProvider.java:490)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.addPackage(XmlConfigurationProvider.java:446)
      at 
com.opensymphony.xwork2.config.providers.XmlConfigurationProvider.loadPackages(XmlConfigurationProvider.java:264)
      at 
org.apache.struts2.config.StrutsXmlConfigurationProvider.loadPackages(StrutsXmlConfigurationProvider.java:111)
      at 
com.opensymphony.xwork2.config.impl.DefaultConfiguration.reloadContainer(DefaultConfiguration.java:193)
      at 
com.opensymphony.xwork2.config.ConfigurationManager.getConfiguration(ConfigurationManager.java:55)
      at 
org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration(Dispatcher.java:374)
      at org.apache.struts2.dispatcher.Dispatcher.init(Dispatcher.java:418)
      at 
org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:190)
      at 
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.init(FilterInstanceWrapper.java:142)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager._loadFilter(WebAppFilterManager.java:438)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.loadFilter(WebAppFilterManager.java:352)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterInstanceWrapper(WebAppFilterManager.java:214)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterChain(WebAppFilterManager.java:272)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:661)
      at 
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:646)
      at 
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:628)
      at 
com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:145)
      at 
com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:595)
      at 
com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:111)
      at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3129)
      at 
com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:238)
      at 
com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811)
      at 
com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1433)
      at 
com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:93)
      at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465)
      at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:394)
      at 
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:274)
      at 
com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
      at 
com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
      at 
com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:152)
      at 
com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:213)
      at 
com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFuture.java:195)
      at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)
      at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:194)
      at 
com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:741)
      at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:863)
      at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1510)

[11/2/10 12:00:47:108 IST] 00000063 XmlConfigurat W 
com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn Result class 
[org.apache.struts2.views.tiles.TilesResult] doesn't exist 
(NoClassDefFoundError) at result-type - 
file:/D:/Official/PROJECTS/D&E/Source/DivorceAndEqualizationWeb/WebContent/WEB-INF/classes/struts.xml:12:58,
 ignoring
                                 java.lang.NoClassDefFoundError: Error while 
defining class: org.apache.struts2.views.tiles.TilesResult
This error indicates that the class: 
org.apache.struts2.dispatcher.ServletDispatcherResult
could not be located while defining the class: 
org.apache.struts2.views.tiles.TilesResult
This is often caused by having the class at a higher point in the classloader 
hierarchy

Thanks  and Regards,

Satheesh Kannan A B


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