hi
I have a simple application developed by Seam framework, but it has an error
when I am going to submit the first page to navigate to another page, the error
message as follows:
--------------------
ERROR 04-05 11:41:33,328 (Log4JLogger.java:error:119) -Exception in PhaseListen
er RESTORE_VIEW 1 afterPhase
java.lang.NullPointerException
at org.jboss.seam.contexts.PageContext.getAttributeMap(PageContext.java:
103)
at org.jboss.seam.contexts.PageContext.(PageContext.java:40)
at org.jboss.seam.contexts.Lifecycle.resumePage(Lifecycle.java:323)
at org.jboss.seam.jsf.AbstractSeamPhaseListener.restoreAnyConversationCo
ntext(AbstractSeamPhaseListener.java:39)
at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.jav
a:63)
at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListener
sAfter(PhaseListenerManager.java:89)
at org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.
java:181)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java
:66)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:684)
at java.lang.Thread.run(Thread.java:595)
ERROR 04-05 11:41:33,375 (Log4JLogger.java:error:119) -Exception in PhaseListen
er RESTORE_VIEW 1 afterPhase
java.lang.NullPointerException
at org.jboss.seam.contexts.PageContext.getAttributeMap(PageContext.java:
103)
at org.jboss.seam.contexts.PageContext.(PageContext.java:40)
at org.jboss.seam.contexts.Lifecycle.resumePage(Lifecycle.java:323)
at org.jboss.seam.jsf.AbstractSeamPhaseListener.restoreAnyConversationCo
ntext(AbstractSeamPhaseListener.java:39)
at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.jav
a:63)
at org.apache.myfaces.lifecycle.PhaseListenerManager.informPhaseListener
sAfter(PhaseListenerManager.java:89)
at org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.
java:181)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java
:66)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:684)
at java.lang.Thread.run(Thread.java:595)
ERROR 04-05 11:41:33,375 (Log4JLogger.java:error:119) -Servlet.service() for se
rvlet Faces Servlet threw exception
java.lang.NullPointerException
at com.sun.faces.application.ViewHandlerImpl.findMatch(ViewHandlerImpl.j
ava:409)
at com.sun.faces.application.ViewHandlerImpl.calculateLocale(ViewHandler
Impl.java:335)
at org.jboss.seam.jsf.SeamViewHandler.calculateLocale(SeamViewHandler.ja
va:25)
at com.sun.faces.application.ViewHandlerImpl.createView(ViewHandlerImpl.
java:283)
at org.jboss.seam.jsf.SeamViewHandler.createView(SeamViewHandler.java:43
)
at org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.
java:144)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java
:66)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:684)
at java.lang.Thread.run(Thread.java:595)
---------------------
I am using Tomcat version 5.5.9.
please help me out, this problem really confused me.
thank you in advance.
regards
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