I want using module common-core in pakage ejb.
I add to extensions file standalone.xml but error when start server
<extensions>
<extension module="org.jboss.as.clustering.infinispan"/>
<extension module="org.jboss.as.configadmin"/>
<extension module="org.jboss.as.connector"/>
<extension module="org.jboss.as.deployment-scanner"/>
<extension module="org.jboss.as.ee"/>
<extension module="org.jboss.as.ejb3"/>
<extension module="org.jboss.as.jaxrs"/>
<extension module="org.jboss.as.jdr"/>
<extension module="org.jboss.as.jmx"/>
<extension module="org.jboss.as.jpa"/>
<extension module="org.jboss.as.logging"/>
<extension module="org.jboss.as.mail"/>
<extension module="org.jboss.as.naming"/>
<extension module="org.jboss.as.osgi"/>
<extension module="org.jboss.as.pojo"/>
<extension module="org.jboss.as.remoting"/>
<extension module="org.jboss.as.sar"/>
<extension module="org.jboss.as.security"/>
<extension module="org.jboss.as.threads"/>
<extension module="org.jboss.as.transactions"/>
<extension module="org.jboss.as.web"/>
<extension module="org.jboss.as.webservices"/>
<extension module="org.jboss.as.weld"/>
<extension module="org.jboss.common-core"/>
</extensions>
What is your intention for that?
To use a class of this module you do not need to add this as an extension.
Just add a dependency, see AS7 classloading here