As an example, here is the error output for the Update Manager when trying to install WTP:
Requested operation cannot be performed because it would invalidate the current configuration. See details for more information.
WST Common UI (2.0.0.v200706041905-7C5EGzE9RvTVniSrwnf4TgOPe3e9) requires plug-in "org.eclipse.draw2d (3.2.0)", or compatible.
WST Common Core (2.0.0.v200706041905-7C78EK9E_EkMNfNOd2d8qq) requires plug-in "org.eclipse.emf.ecore (2.2.0)", or compatible.
Eclipse XML Editors and Tools (2.0.0.v200706182145-7A1ECBCnbckz0bZu9wHqAKN3mYpZ) requires plug-in "org.eclipse.emf.common (2.2.0)", or compatible.
WST XML Core (2.0.0.v200706041905-787BE9zCYQCCz-CnUGLYQV) requires plug-in "org.eclipse.emf.ecore (2.2.0)", or compatible.
WST Server Adapters (2.0.0.v200706041905-4--_kE77Y7QI7EEEQ) requires plug-in "org.mortbay.jetty (5.1.11)", or compatible.
WST Web Services UI (2.0.0.v200706041905-791ECBAufYO8_EaomWE4Fe3uXjR1) requires plug-in "org.eclipse.emf.common (2.2.0)", or compatible.
WST Web Services Core (2.0.0.v200706210215-7E7KE_QEC3wSU4TpiAiQ0r) requires plug-in "org.eclipse.xsd (2.3.0)", or compatible.
WST Web UI (2.0.0.v200706041905-7A0EAeCiWfEJsCcbAj88SKfRX) requires plug-in "org.eclipse.emf.ecore (2.2.0)", or compatible.
WST Web Core (2.0.0.v200706041905-42CI_kE77Y7TAMAVHH) requires plug-in "org.eclipse.emf.ecore (2.2.0)", or compatible.
JST Server UI (2.0.0.v200706041905-77-Ao9yJX9kueNPfPjeUCMFH3648) requires plug-in "org.eclipse.jdt.debug.ui (3.2.100)", or compatible.
JST Server Core (2.0.0.v200706041905-56CL9rC7EK_PAQ7G_92537) requires plug-in "org.eclipse.emf.common (2.2.0)", or compatible.
JST Server Adapters (2.0.0.v200706041905-787KE8RDUUEF6ExNsAAAJ) requires plug-in "org.eclipse.emf.common (2.2.0)", or compatible.
JST Web Core (2.0.0.v200706080101-7Q7ACQEHhHegvgW5YtoAO) requires plug-in "org.eclipse.emf.ecore.xmi (2.2.0)", or compatible.
JST Enterprise UI (2.0.0.v200706200200-7b7_ErUEU6AXGM40HZCO6nkOjnZQ) requires plug-in "org.eclipse.emf.common (2.2.0)", or compatible.
JST Enterprise Core (2.0.0.v200706041905-42Am_kE77Y7U9NAPH8) requires plug-in "org.eclipse.emf.ecore.xmi (2.2.0)", or compatible.
WTP Web Page Editor (1.0.0.v200706110802-3--9oA55P5M98) requires plug-in "org.eclipse.emf.ecore (2.2.0)", or compatible.
Java Persistence API Tools (1.0.0.v200706250000-77--CYQCCz-CoRPCCCH) requires feature "org.eclipse.datatools.connectivity.feature".
As an example, here is the error output for the Update Manager when trying to install WTP:
Requested operation cannot be performed because it would invalidate the current configuration. See details for more information. v200706041905- 7C5EGzE9RvTVniS rwnf4TgOPe3e9) requires plug-in "org.eclipse.draw2d (3.2.0)", or compatible. v200706041905- 7C78EK9E_ EkMNfNOd2d8qq) requires plug-in "org.eclipse. emf.ecore (2.2.0)", or compatible. v200706182145- 7A1ECBCnbckz0bZ u9wHqAKN3mYpZ) requires plug-in "org.eclipse. emf.common (2.2.0)", or compatible. v200706041905- 787BE9zCYQCCz- CnUGLYQV) requires plug-in "org.eclipse. emf.ecore (2.2.0)", or compatible. v200706041905- 4--_kE77Y7QI7EE EQ) requires plug-in "org.mortbay.jetty (5.1.11)", or compatible. v200706041905- 791ECBAufYO8_ EaomWE4Fe3uXjR1 ) requires plug-in "org.eclipse. emf.common (2.2.0)", or compatible. v200706210215- 7E7KE_QEC3wSU4T piAiQ0r) requires plug-in "org.eclipse.xsd (2.3.0)", or compatible. v200706041905- 7A0EAeCiWfEJsCc bAj88SKfRX) requires plug-in "org.eclipse. emf.ecore (2.2.0)", or compatible. v200706041905- 42CI_kE77Y7TAMA VHH) requires plug-in "org.eclipse. emf.ecore (2.2.0)", or compatible. v200706041905- 77-Ao9yJX9kueNP fPjeUCMFH3648) requires plug-in "org.eclipse. jdt.debug. ui (3.2.100)", or compatible. v200706041905- 56CL9rC7EK_ PAQ7G_92537) requires plug-in "org.eclipse. emf.common (2.2.0)", or compatible. v200706041905- 787KE8RDUUEF6Ex NsAAAJ) requires plug-in "org.eclipse. emf.common (2.2.0)", or compatible. v200706080101- 7Q7ACQEHhHegvgW 5YtoAO) requires plug-in "org.eclipse. emf.ecore. xmi (2.2.0)", or compatible. v200706200200- 7b7_ErUEU6AXGM4 0HZCO6nkOjnZQ) requires plug-in "org.eclipse. emf.common (2.2.0)", or compatible. v200706041905- 42Am_kE77Y7U9NA PH8) requires plug-in "org.eclipse. emf.ecore. xmi (2.2.0)", or compatible. v200706110802- 3--9oA55P5M98) requires plug-in "org.eclipse. emf.ecore (2.2.0)", or compatible. v200706250000- 77--CYQCCz- CoRPCCCH) requires feature "org.eclipse. datatools. connectivity. feature" .
WST Common UI (2.0.0.
WST Common Core (2.0.0.
Eclipse XML Editors and Tools (2.0.0.
WST XML Core (2.0.0.
WST Server Adapters (2.0.0.
WST Web Services UI (2.0.0.
WST Web Services Core (2.0.0.
WST Web UI (2.0.0.
WST Web Core (2.0.0.
JST Server UI (2.0.0.
JST Server Core (2.0.0.
JST Server Adapters (2.0.0.
JST Web Core (2.0.0.
JST Enterprise UI (2.0.0.
JST Enterprise Core (2.0.0.
WTP Web Page Editor (1.0.0.
Java Persistence API Tools (1.0.0.