[
http://jira.jboss.com/jira/browse/JBSEAM-2039?page=all ]
Pete Muir updated JBSEAM-2039:
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Fix Version/s: 2.1.0.GA
Priority: Critical (was: Major)
This is a problem with using a null value in a select item - JSF RI assumes this isn't
possible (and it is actually spec breaking to do this).
Really needs a complete rewrite.
selectManyListbox executePhase NullPointerException
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Key: JBSEAM-2039
URL:
http://jira.jboss.com/jira/browse/JBSEAM-2039
Project: JBoss 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: 2.0.2.GA, 2.1.0.GA
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@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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