i am getting below error can any one help me
ENTRY org.eclipse.equinox.p2.engine 4 4 2015-03-06 22:25:34.500
!MESSAGE An error occurred while installing the items
!SUBENTRY 1 org.eclipse.equinox.p2.engine 4 0 2015-03-06 22:25:34.500
!MESSAGE session context was:(profile=jbds, phase=org.eclipse.equinox.internal.p2.engine.phases.Install, operand=null --> [R]org.eclipse.datatools.connectivity.oda.design 3.3.6.v201403131814, action=org.eclipse.equinox.internal.p2.touchpoint.eclipse.actions.InstallBundleAction).
!SUBENTRY 1 org.eclipse.equinox.p2.touchpoint.eclipse 4 0 2015-03-06 22:25:34.500
!MESSAGE The artifact file for osgi.bundle,org.eclipse.datatools.connectivity.oda.design,3.3.6.v201403131814 was not found.
It looks like https://issues.jboss.org/browse/JBDS-2635, it happens randomly under Windows. As a workaround I would suggest to install Bring Your Own Eclipse JBoss Developer Studio as it is explained here.