I am trying to use Tiles with Struts 2. I have configured my application as
follows



When I fire http://localhost:8080/SampleStruts2/login/Login.action; I get
following error



20:11:40,827 ERROR [BasicTilesContainer] Error rendering tile

java.lang.NullPointerException

    at
org.apache.struts2.tiles.StrutsTilesRequestContext.include(StrutsTilesReques
tContext.java:94)

    at
org.apache.struts2.tiles.StrutsTilesRequestContext.dispatch(StrutsTilesReque
stContext.java:83)

    at
org.apache.tiles.impl.BasicTilesContainer.render (BasicTilesContainer.java:39
5)

    at
org.apache.tiles.impl.BasicTilesContainer.render (BasicTilesContainer.java:34
5)

    at
org.apache.struts2.views.tiles.TilesResult.doExecute(TilesResult.java:104)

    at
org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSuppor
t.java:178)

    at
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionI
nvocation.java:343)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:248)

    at
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(D
efaultWorkflowInterceptor.java:213)

    at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method
FilterInterceptor.java:86)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(Validati
onInterceptor.java:150)

    at
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.do
Intercept(AnnotationValidationIntercetor.java:48)

    at
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(Method
FilterInterceptor.java:86)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(Con
versionErrorInterceptor.java:123)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.ParametersInterceptor.intercept(Paramete
rsInterceptor.java:161)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(St
aticParametersInterceptor.java:105)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterce
ptor.java:83)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInt
erceptor.java:207)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDr
ivenInterceptor.java:74)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(S
copedModelDrivenInterceptor.java:127)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(Prof
ilingActivationInterceptor.java:107)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(Debu
ggingInterceptor.java:206)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingIn
terceptor.java:115)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nIntercepto
r.java:143)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.PrepareInterceptor.intercept(PrepareInte
rceptor.java:115)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletCon
figInterceptor.java:170)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasIntercep
tor.java:123)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(Ex
ceptionMappingInterceptor.java:176)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:219)

    at
com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionI
nvocation.java:218)

    at
com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack
.java:455)

    at
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocati
on.java:216)

    at
org.apache.struts2.impl.StrutsActionProxy.execute (StrutsActionProxy.java:50)

    at
org.apache.struts2.dispatcher.Dispatcher.serviceAction (Dispatcher.java:507)

    at
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.jav
a:421)

    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:202)

    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:173)

    at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.ja
va:81)

    at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:202)

    at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:173)

    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:213)

    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:178)

    at
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalVal
ve.java:39)

    at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssoci
ationValve.java:159)

    at
org.jboss.web.tomcat.security.JaccContextValve.invoke (JaccContextValve.java:
59)

    at
org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:126
)

    at
org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:105
)

    at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:107)

    at
org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:148)

    at
org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:856)

    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:744)

    at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.jav
a:527)

    at
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThre
ad.java:112)

    at java.lang.Thread.run (Thread.java:595)

20:11:40,842 ERROR [[default]] Servlet.service() for servlet default threw
exception

org.apache.tiles.TilesException

    at
org.apache.tiles.impl.BasicTilesContainer.render (BasicTilesContainer.java:40
3)

    at
org.apache.tiles.impl.BasicTilesContainer.render (BasicTilesContainer.java:34
5)

    at
org.apache.struts2.views.tiles.TilesResult.doExecute(TilesResult.java:104)

    ........



Anybody got the same error?

Can someone help me?



I am using following jars



freemarker-2.3.8.jar

ognl-2.6.11.jar

struts2-core-2.0.6.jar

struts2-tiles-plugin-2.0.6.jar

tiles-api-2.0-20070207.130156-4.jar

tiles-core-2.0-20070207.130156-4.jar

xwork-2.0.1.jar



Avinash Wable




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