[jboss-user] [JBoss Seam] - noSelectionLabel s:selectItems NumberFormatException

[dave.rogers]

When I use the 'noSelectionLabel' option on a s:selectItems tag inside a  ice:selectOneMenu component which has a 'required="true"' attribute I am getting an error.

The behaviour is correct except when I attempt to submit the form when the noSelectionLabel option is chosen. This should display a validation message, but instead I receive the following error...

11:48:22,708 ERROR [[Blocking Servlet]] Servlet.service() for servlet Blocking Servlet threw exception
  | java.lang.NumberFormatException: For input string: "Select..."
  | 	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
  | 	at java.lang.Integer.parseInt(Integer.java:447)
  | 	at java.lang.Integer.<init>(Integer.java:620)
  | 	at org.jboss.seam.ui.EntityConverter.getAsObject(EntityConverter.java:197)
  | 	at org.jboss.seam.ui.PrioritizableConverter.getAsObject(PrioritizableConverter.java:61)
  | 	at org.jboss.seam.ui.ConverterChain.getAsObject(ConverterChain.java:105)
  | 	at com.icesoft.faces.renderkit.dom_html_basic.DomBasicInputRenderer.getConvertedValue(DomBasicInputRenderer.java:97)
  | 	at com.icesoft.faces.renderkit.dom_html_basic.MenuRenderer.getConvertedValue(MenuRenderer.java:129)
  | 	at javax.faces.component.UIInput.getConvertedValue(UIInput.java:395)
  | 	at javax.faces.component.UIInput.validate(UIInput.java:349)
  | 	at com.icesoft.faces.component.ext.HtmlSelectOneMenu.validate(HtmlSelectOneMenu.java:418)
  | 	at javax.faces.component.UIInput.processValidators(UIInput.java:183)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIForm.processValidators(UIForm.java:70)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:624)
  | 	at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:146)
  | 	at org.apache.myfaces.lifecycle.LifecycleImpl.processValidations(LifecycleImpl.java:262)
  | 	at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
  | 	at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.renderCyclePartial(BlockingServlet.java:473)
  | 	at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.receiveUpdates(BlockingServlet.java:442)
  | 	at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.executeRequest(BlockingServlet.java:324)
  | 	at com.icesoft.faces.webapp.xmlhttp.BlockingServlet.service(BlockingServlet.java:186)
  | 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  | 	at twp.filter.RoleFilter.doFilter(RoleFilter.java:46)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  | 	at twp.filter.UtilFilter.doFilter(UtilFilter.java:44)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  | 	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  | 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  | 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  | 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  | 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  | 	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
  | 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
  | 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
  | 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  | 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  | 	at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  | 	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:869)
  | 	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
  | 	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  | 	at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
  | 	at java.lang.Thread.run(Thread.java:595)

Evidently seam is attempting to parse the noSelectionLabel as an entity ID, which is incorrect. 

The rendering of the selection list seems OK when looking at the source code of the rendered page...

<select class="iceSelect" id="jobCreateForm:jobType" name="jobCreateForm:jobType" onblur="setFocus('');" onchange="setFocus('');iceSubmitPartial(form, this, event);" onfocus="setFocus(this.id);" size="1" style="">
  |   <option value="">
  | Select...
  |   </option>
  |   <option value="0">
  | Capital 2006 Rates
  |   </option>
  |   <option value="1">
  | Capital 2007 Rates
  |   </option>
  |   <option value="2">
  | Capital Super 9
  |   </option>
  |   <option value="3">
  | Laings Job
  |   </option>
  |   <option value="4">
  | Mains
  |   </option>
  |   <option value="5">
  | Maintenance
  |   </option>
  |   <option value="6">
  | Rechargeable
  |   </option>
  |   <option value="7">
  | Requisitioned
  |   </option>
  | </select>

For referencem, my JSF code is...

	<ice:selectOneMenu required="true" value="#{jobCreator.job.jobType}" partialSubmit="true" id="jobType">
  | 								<s:selectItems hideNoSelectionLabel="true" noSelectionLabel="Select..." value="#{selectJobTypes.resultList}" var="jobType" label="#{jobType.name}"/>
  | 								<s:convertEntity entityClass="twp.pojo.JobType"/>
  | 								<ice:message for="jobType"/>
  | 							</ice:selectOneMenu>

the relevant java code is (in JobCreator.java)...

	public List<Partner> getPossibleContractors(){
  | 		if(job.getJobType()==null) 
  | 			return new ArrayList<Partner>();
  | 		List<Partner> possibleContractors = em.createNamedQuery(
  | 				"possibleContractors")
  | 			.setParameter("jobType", job.getJobType().getJobTypeId())
  | 			.getResultList();
  | 		return possibleContractors;
  | 	}

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