Error al actualizar Spring Tool Suite 3.5.0.RELEASE

Al intentar actualizar el ide Spring Tool Suite 3.5.0 muestra errores del tipo:


No repository found containing: osgi.bundle,com.vmware.vfabric.ide.eclipse.tcserve r.core,3.2.0.201302180819-RC1
No repository found containing: osgi.bundle,com.vmware.vfabric.ide.eclipse.tcserve r.insight.ui,3.2.0.201302180819-RC1
No repository found containing: osgi.bundle,com.vmware.vfabric.ide.eclipse.tcserve r.livegraph,3.2.0.201302180819-RC1
No repository found containing: osgi.bundle,com.vmware.vfabric.ide.eclipse.tcserve r.reloading,3.2.0.201302180819-RC1
No repository found containing: osgi.bundle,com.vmware.vfabric.ide.eclipse.tcserve r.ui,3.2.0.201302180819-RC1
No repository found containing: osgi.bundle,org.aspectj.ajde,1.7.2.20130214224500
...

Se soluciona exportando e importando todas las fuentes de actualización (“Available software updates”).

Fuente: http://forum.spring.io/forum/spring-projects/springsource-tool-suite/125584-no-repository-found