[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-1441) page parameter usage in seam-gen can cause null pointer exception
Gavin King (JIRA)
jira-events at lists.jboss.org
Wed Jun 13 02:18:11 EDT 2007
[ http://jira.jboss.com/jira/browse/JBSEAM-1441?page=all ]
Gavin King closed JBSEAM-1441.
------------------------------
Resolution: Done
Assignee: Gavin King
oops, fixed
> page parameter usage in seam-gen can cause null pointer exception
> -----------------------------------------------------------------
>
> Key: JBSEAM-1441
> URL: http://jira.jboss.com/jira/browse/JBSEAM-1441
> Project: JBoss Seam
> Issue Type: Bug
> Affects Versions: 1.3.0.ALPHA
> Reporter: Norman Richards
> Assigned To: Gavin King
> Fix For: 1.3.0.ALPHA
>
>
> When running seam-gen with the example data in release-process.txt, the generated code throws a null pointer when trying to view a vehicle from a the person page.
> The exception is:
> 20:30:17,833 ERROR [SeamPhaseListener] uncaught exception
> java.lang.NullPointerException
> at org.jboss.seam.pages.Param.getValueFromRequest(Param.java:199)
> at org.jboss.seam.core.Pages.storeRequestParameterValuesInViewRoot(Pages.java:734)
> at org.jboss.seam.core.Pages.postRestore(Pages.java:360)
> at org.jboss.seam.jsf.AbstractSeamPhaseListener.afterRestoreView(AbstractSeamPhaseListener.java:82)
> at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:90)
> at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:280)
> at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:70)
> at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:64)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
> at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:60)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
> at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:81)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
> at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:47)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
> at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:293)
> at org.jboss.seam.web.AbstractAjax4jsfFilter.doFilter(AbstractAjax4jsfFilter.java:35)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:56)
> at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:127)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
> at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
> at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:613)
> This seems to occur when a page.xml declares a page parameter with no value but a value is specified in the link.
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