Turns out the m2e-wtp version picked for the Alpha1 build is not compatible with Dali. The fix happened right after M5. This causes JBIDE-13607

So we'd need the latest m2e / m2e-wtp features in this Alpha1 build.

• from http://download.eclipse.org/m2e-wtp/releases/kepler/ :
  org.eclipse.m2e.wtp.feature 0.17.0.20130212-1819
  org.eclipse.m2e.wtp.jsf.feature 0.17.0.20130212-1819
  org.eclipse.m2e.wtp.jaxrs.feature 0.17.0.20130212-1819
  org.eclipse.m2e.wtp.jpa.feature 0.17.0.e43-20130212-1821
  (org.sonatype.m2e.mavenarchiver 0.15.0.201207090125-signed-201209140800 is identical to previous versions)

• m2e 1.3.1 can also be mirrored from http://download.eclipse.org/technology/m2e/releases/1.3 :
  org.eclipse.m2e.feature 1.3.1.20130219-0909.jar
  org.eclipse.m2e.logback.feature 1.3.1.20130219-0909.jar