expressions like 'ne','eq' are not working in jboss

<h:dataTable value="#

{HeaderBean.records}

" var="screenConfig">
<h:column rendered="#

{screenConfig.displayTitle ne 'dashboard'}

">
<h:outputText value="#

{screenConfig.displayTitle}

"> </h:outputText>
</h:column>
</h:dataTable>
expressions like 'ne','eq' are not working in jboss but its working fine in Glassfish.
please suggest me on fixing this issue.