[jbossseam-issues] [JBoss JIRA] Updated: (JBSEAM-2039) selectManyListbox executePhase NullPointerException

[Pete Muir (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-2039?page=all ]

Pete Muir updated JBSEAM-2039:
------------------------------

    Fix Version/s: 2.1.0.BETA1
                       (was: 2.1.0.GA)

> selectManyListbox executePhase NullPointerException
> ---------------------------------------------------
>
>                 Key: JBSEAM-2039
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2039
>             Project: Seam
>          Issue Type: Bug
>          Components: JSF Controls
>    Affects Versions: 1.2.1.GA
>         Environment: JBoss AS 4.2.1GA, Sun Microsystems JavaServer Faces Implementation 1.2_04-b16-p02, Ubuntu 7.04
>            Reporter: Przemyslaw Rudzki
>         Assigned To: Pete Muir
>            Priority: Critical
>             Fix For: 2.1.0.BETA1
>
>
> I have simple model: 
> class Book {
>     @ManyToMany //unidirectional
>     private List<DictionaryEntry> dictionaryEntryList;
> }	
> In the JSF it is presented as: 
> <h:selectManyListbox id="select2Status" value="#{bookHome.instance.dictionaryEntryList}" required="false">
>     <s:convertEntity />
>     <s:selectItems value="#{dictionaryEntryList.resultList}" var="item" label="#{item.value}" noSelectionLabel="---------" />
> </h:selectManyListbox>	
> 1. When I create entity with some elements selected everything works fine.
> 2. When I edit the selection and update everything works great.
> 3. The problem occurs when I deselect all the items and try to do an update. I get then: 
> 00:46:49,840 WARN [lifecycle] executePhase(PROCESS_VALIDATIONS 3,com.sun.faces.context.FacesContextImpl at 1625154) threw exception
> javax.faces.FacesException
> at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:108)
> at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
> 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.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:307)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
> at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
> at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
> at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
> at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
> at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
> at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
> at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
> at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
> at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
> at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
> at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NullPointerException
> at javax.faces.component.UISelectMany.matchValue(UISelectMany.java:496)
> at javax.faces.component.UISelectMany.validateValue(UISelectMany.java:454)

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