Getting error - "there should be exactly one value binding in a restriction"

[zzzz8.zzzz8.netzero.net]

This is probably something simple to correct, but I can't figure it out.  The following query fails with the exception below:

<framework:entity-query name="userShoppingtripsQuery"
          ejbql="select userShoppingtrips from User user JOIN user.shoppingtrips userShoppingtrips"
          order="purchasedate">
          <framework:restrictions>
               <value>user.username = #{identity.username}</value>
               <value>userShoppingtrips.disabled=false</value>
          </framework:restrictions>
     </framework:entity-query>

Caused by: javax.el.ELException: /shoppingTrip.xhtml @24,63 rendered="#{empty userShoppingtripsQuery.resultList}": Error reading 'resultList' on type org.jboss.seam.framework.EntityQuery_$$_javassist_6
     at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:76)
     at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:390)
     ... 67 more
Caused by: java.lang.IllegalArgumentException: there should be exactly one value binding in a restriction: org.jboss.seam.core.Expressions$1@2b8f443d
     at org.jboss.seam.framework.Query.parseEjbql(Query.java:226)
     at org.jboss.seam.framework.EntityQuery.createQuery(EntityQuery.java:169)
     at org.jboss.seam.framework.EntityQuery.initResultList(EntityQuery.java:73)
     at org.jboss.seam.framework.EntityQuery.getResultList(EntityQuery.java:65)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
     at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
     at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
     at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28)
     at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
     at org.jboss.seam.bpm.BusinessProcessInterceptor.aroundInvoke(BusinessProcessInterceptor.java:51)
     at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
     at org.jboss.seam.transaction.TransactionInterceptor$1.work(TransactionInterceptor.java:95)
     at org.jboss.seam.util.Work.workInTransaction(Work.java:47)
     at org.jboss.seam.transaction.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:89)
     at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
     at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)
     at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
     at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
     at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185)
     at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103)
     at org.jboss.seam.framework.EntityQuery_$$_javassist_6.getResultList(EntityQuery_$$_javassist_6.java)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:585)
     at javax.el.BeanELResolver.getValue(BeanELResolver.java:62)
     at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
     at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
     at org.jboss.el.parser.AstPropertySuffix.getValue(AstPropertySuffix.java:53)
     at org.jboss.el.parser.AstValue.getValue(AstValue.java:67)
     at org.jboss.el.parser.AstEmpty.getValue(AstEmpty.java:29)
     at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
     at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
     ... 68 more

However, the following query runs without error:

<framework:entity-query name="userShoppingtripsQuery"
          ejbql="select userShoppingtrips from User user JOIN user.shoppingtrips userShoppingtrips WHERE userShoppingtrips.disabled=false"
          order="purchasedate">
          <framework:restrictions>
               <value>user.username = #{identity.username}</value>
          </framework:restrictions>
     </framework:entity-query>

[david.david.johansson.redpill.se]

Hi,
I've got the exact same problem. A workaround is to define the constant you want as an EL expression.

try:

<value>userShoppingtrips.disabled = #{false}</value>

[zzzz8.zzzz8.netzero.net]

Thanks for the tip.  I should have read it in a very literal way.  Wow, if this is the case, then this is extremely inconvenient behavior for boolean comparisons in the framework restrictions...  Using a constant defined by an EL expression seems painful.