There are numerous snapshot versions being pulled into the jbossas trunk that need proper releases for the initial beta:

[starksm@valkyrie build]$ grep snapshot build-thirdparty.xml
<componentref name="javassist" version="snapshot"/>
<componentref name="jboss/aop" version="snapshot"/>
<componentref name="jboss/aop14" version="snapshot"/>
<componentref name="jboss/cache" version="snapshot"/>
<componentref name="jboss/jbossws" version="snapshot"/>
<componentref name="jboss/messaging" version="snapshot"/>
<componentref name="jboss/microcontainer" version="snapshot"/>
<componentref name="jboss/microcontainer14" version="snapshot"/>
<componentref name="jboss/security-spi" version="snapshot"/>
<componentref name="jboss/security" version="snapshot"/>
<componentref name="jboss/test" version="snapshot"/>
<componentref name="jboss/web" version="2.0.0.snapshot"/>
<componentref name="jgroups" version="snapshot"/>