It appears that most installations of JBT from marketplace concludes in an error:

See: http://marketplace.eclipse.org/content/jboss-tools-indigo/error_reports

Some of the most frequent errors:

Cannot satisfy dependency: From: JBoss JAX-RS Tooling (UI) 1.2.2.v20120605-1934-H134-CR1 (org.jboss.tools.ws.jaxrs.ui 1.2.2.v20120605-1934-H134-CR1) To: bundle org.eclipse.debug.ui 3.7.101

-> JaxRs depends on 3.7.1 ? Install from 3.7.0 or <.

JBoss Maven Integration 1.3.0.v20120613-2141-H115-Final (org.jboss.tools.maven.ui 1.3.0.v20120613-2141-H115-Final) To: bundle org.eclipse.compare 3.5.202

-> Maven depends on 3.7.2 ?

Cannot satisfy dependency: From: OpenShift UI 2.3.0.v20120613-1951-H135-Final (org.jboss.tools.openshift.express.ui 2.3.0.v20120613-1951-H135-Final) To: bundle org.eclipse.egit.ui [1.0.0,2.0.0)

-> People who don't have EGit. EGit is not part of our site.