[jboss-user] [JBoss Seam] - Error while binding entity manager

mlh496 do-not-reply at jboss.com
Thu Mar 8 15:02:52 EST 2007


When I try to bind an entitymanager using this:

    <core:entity-manager-factory name="omegaFactory"/>
  |     
  |     <core:managed-persistence-context name="em"
  |                                       entity-manager-factory="omegaFactory"
  |                                       auto-create="true"/>

I get the following exception:

Mar 8, 2007 11:56:47 AM org.apache.catalina.core.StandardContext listenerStart
  | SEVERE: Exception sending context initialized event to listener instance of class org.jboss.seam.servlet.SeamListener
  | java.lang.IllegalArgumentException: No converter for type: org.jboss.seam.core.Expressions$ValueBinding
  | 	at org.jboss.seam.util.Conversions.getConverter(Conversions.java:55)
  | 	at org.jboss.seam.Component$ConstantInitialValue.<init>(Component.java:1998)
  | 	at org.jboss.seam.Component.getInitialValue(Component.java:422)
  | 	at org.jboss.seam.Component.getTopInitialValue(Component.java:402)
  | 	at org.jboss.seam.Component.initInitializers(Component.java:380)
  | 	at org.jboss.seam.Component.<init>(Component.java:265)
  | 	at org.jboss.seam.Component.<init>(Component.java:206)
  | 	at org.jboss.seam.init.Initialization.addComponent(Initialization.java:760)
  | 	at org.jboss.seam.init.Initialization.addComponents(Initialization.java:677)
  | 	at org.jboss.seam.init.Initialization.init(Initialization.java:425)
  | 	at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:33)
  | 	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3827)
  | 	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4336)
  | 	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1015)
  | 	at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
  | 	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1015)
  | 	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
  | 	at org.apache.catalina.core.StandardService.start(StandardService.java:448)
  | 	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
  | 	at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  | 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  | 	at java.lang.reflect.Method.invoke(Unknown Source)
  | 	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
  | 	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

Has anyone else encountered this problem?

All the best,
-Michael

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