java.lang.IllegalArgumentException in session context
I have a small application in seam which stores data in database
I have a entity bean Country.java session as CountryComponent.java and JSF as Country.xhtml
This is the exception thrown
Caused by java.lang.IllegalArgumentException with message: value of context variable is not an instance of the component bound to the context variable: countryComponent
Country.java:
-------------
@Entity
@Name("country")
@Scope(SESSION)
@Table(name = "country")
public class Country implements java.io.Serializable {
private int countryId;
private String countryName;
private String createdBy;
public Country() {
}
public Country(int countryId, String countryName, String createdBy) {
this.countryId = countryId;
this.countryName = countryName;
this.createdBy = createdBy;
}
@Id
@GeneratedValue(strategy=GenerationType.TABLE)
@Column(name = "countryId")
public int getCountryId() {
return this.countryId;
}
public void setCountryId(int countryId) {
this.countryId = countryId;
}
@Column(name = "countryName")
public String getCountryName() {
return this.countryName;
}
public void setCountryName(String countryName) {
this.countryName = countryName;
}
@Column(name = "createdBy")
public String getCreatedBy() {
return this.createdBy;
}
public void setCreatedBy(String createdBy) {
this.createdBy = createdBy;
}
}
CountryComponent.java
---------------------
@Stateless
@Name("countryComponent")
public class CountryComponent implements CountryLocal
{
@PersistenceContext
private EntityManager em;
@In
private Country country;
public String doSave() {
country = new Country();
em.persist(country);
return "Success";
}
}
CountryLocal.java
-----------------
@Local
public interface CountryLocal
{
public String doSave();
}
Country.xhtml
-------------
<h:form id="countryDetails">
<table>
<tr>
<td> <font face="tahoma" size="2">Country Name</font> </td>
<td> <h:inputText value="#{country.countryName}"/> </td>
</tr>
<tr>
<td> <font face="tahoma" size="2">Created By</font> </td>
<td> <h:inputText value="#{country.createdBy}"/> </td>
</tr>
<tr>
<td> <h:commandButton value="Save" action="#{countryComponent.doSave}"/> </td>
</tr>
</table>
</h:form>
Stacktrace:
-----------
Exception during request processing:
Caused by javax.servlet.ServletException with message: "value of context variable is not an instance of the component bound to the context variable: countryComponent"
javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:302)
org.ajax4jsf.Filter.doFilter(Filter.java:175)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276)
org.ajax4jsf.Filter.doFilter(Filter.java:175)
org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
java.lang.Thread.run(Thread.java:595)Caused by java.lang.IllegalArgumentException with message: "value of context variable is not an instance of the component bound to the context variable: countryComponent"
org.jboss.seam.Component.getInstance(Component.java:1885)
org.jboss.seam.Component.getInstance(Component.java:1840)
org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55)
org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50)
org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:166)
org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:53)
javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
org.jboss.el.parser.AstValue.getTarget(AstValue.java:34)
org.jboss.el.parser.AstValue.invoke(AstValue.java:95)
org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
javax.faces.component.UICommand.broadcast(UICommand.java:383)
org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:316)
org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:291)
org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:248)
org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:461)
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:302)
org.ajax4jsf.Filter.doFilter(Filter.java:175)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:68)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:85)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:147)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:276)
org.ajax4jsf.Filter.doFilter(Filter.java:175)
org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:60)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
java.lang.Thread.run(Thread.java:595)
Can anyone give any inputs?
Thanks
